Reactive compensation early warning control method and device based on multi-dimensional parameter fusion analysis

Abstract

The invention relates to the technical field of reactive compensation, and discloses a reactive compensation early warning control method and device based on multi-dimensional parameter fusion analysis, and the method is applied to electric connection of a reactor and a target control loop comprising a capacitor. The method comprises the following steps: acquiring a first multi-dimensional state parameter including a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in a target control loop in a preset range of the reactor; for each dimension state parameter in the first multi-dimension state parameters, calculating a target analysis parameter of the dimension state parameter according to the matched first analysis algorithm; and judging whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter, and when the judgment result is yes, generating an early warning control parameter of a target control unit corresponding to the target analysis parameter according to the target analysis parameter. Therefore, the reactive compensation early warning control accuracy, comprehensiveness and efficiency of the reactor can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of reactive power compensation, and in particular to a reactive power compensation early warning control method and device based on multi-dimensional parameter fusion analysis. Background Art

[0002] Reactive power compensation technology is an important part of the power system. The reactor is an electrical device used to adjust the reactive power in the power grid. It achieves reactive power compensation by changing the impedance characteristics of the power grid. In the reactive power compensation system, the reactor is usually used as a parallel or series element to balance the inductive and capacitive reactive power in the power grid, thereby maintaining the power supply stability of the power grid.

[0003] However, practice has found that traditional reactive power compensation methods using reactors often rely on a single parameter for compensation analysis and control, and are often unable to provide timely warnings for complex faults, resulting in safety concerns in actual production applications.

[0004] It can be seen that how to improve the accuracy and timeliness of reactive power compensation early warning control is particularly important. Summary of the invention

[0005] The present invention provides a reactive power compensation early warning control method and device based on multi-dimensional parameter fusion analysis, which can improve the accuracy and timeliness of reactive power compensation early warning control.

[0006] In order to solve the above technical problems, the first aspect of the present invention discloses a reactive compensation early warning control method based on multi-dimensional parameter fusion analysis, the method is applied to a reactor, the reactor is electrically connected to a target control loop, the target control loop includes a capacitor, and the method includes: Collecting a first multi-dimensional state parameter of the reactor within a preset range, wherein the first multi-dimensional state parameter includes a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in a target control loop; For each dimensional state parameter in the first multi-dimensional state parameters, matching a first analysis algorithm of the dimensional state parameter; and calculating a target analysis parameter of the dimensional state parameter according to the first analysis algorithm; Determine whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter. When the judgment result is yes, generate a warning control parameter for the target control unit corresponding to the target analysis parameter based on the target analysis parameter. The warning control parameter is used to perform a matching warning control operation on the target control unit. The warning control operation includes at least one of a harmonic voltage protection control operation, a harmonic current protection control operation, a resonance protection control operation, a grid overvoltage protection control operation, a capacitor overvoltage protection control operation, and a capacitance loss warning control operation.

[0007] As an optional implementation, in the first aspect of the present invention, the second multi-dimensional state parameter includes voltage state parameters at the input and output ends of the reactor, and for the voltage state parameter of the second multi-dimensional state parameter, the first analysis algorithm includes a target conversion algorithm and a second analysis algorithm, and, according to the first analysis algorithm, calculating the target analysis parameter of the dimensional state parameter includes: For each of the voltage state parameters, converting the voltage state parameter into a target level parameter of the voltage state parameter according to the target conversion algorithm; Calculating each target harmonic parameter of the voltage state parameter according to the target series parameter; According to the second analysis algorithm, a multidimensional target value parameter of each target harmonic parameter is calculated, wherein the multidimensional target value parameter is used to indicate the influence of the target harmonic parameter of the corresponding order on the target control loop, and the multidimensional target value parameter includes a voltage target value parameter and a current target value parameter; Calculating the capacitance deviation parameter of the capacitor according to all the multi-dimensional target values; The voltage state parameter, the multi-dimensional target value parameter and the capacitance deviation parameter are determined as target analysis parameters of the voltage state parameter.

[0008] As an optional implementation manner, in the first aspect of the present invention, for each of the voltage state parameters, converting the voltage state parameter into a target level parameter of the voltage state parameter according to the target conversion algorithm includes: Determine a type parameter of the voltage state parameter, where the type parameter is used to indicate whether the voltage state parameter is a continuous state parameter or a discrete state parameter; Correcting the target conversion algorithm according to the type parameter; According to the corrected target conversion algorithm, the voltage state parameter is converted into a target level parameter of the voltage state parameter, wherein the target level parameter includes a first parameter and a second parameter, wherein the first parameter is used to represent the intensity of the change of the voltage state parameter, and the second parameter is used to represent the direction and time state of the change of the voltage state parameter.

[0009] As an optional implementation manner, in the first aspect of the present invention, each target harmonic parameter of the voltage state parameter is calculated by a first formula, and the first formula is: ; ;

[0010] ; in, and Used to indicate the nth target harmonic parameter, is used to represent the target series parameter, That is =n, Used to indicate the total number of harmonics. Used to indicate The real part of Used to indicate The imaginary part of The discrete data points used to represent the voltage state parameters, Used to indicate the fundamental angular frequency.

[0011] As an optional implementation manner, in the first aspect of the present invention, the voltage target value parameter is calculated by a second formula, and the second formula is: ; in, The voltage target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset first weight.

[0012] As an optional implementation, in the first aspect of the present invention, the current target value parameter is calculated by a third formula, and the third formula is: ; ; in, The current target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset second weight, Used to indicate harmonic order, is used to indicate a first preset inductance value, Used to indicate the The inductive reactance value of the target harmonic parameter.

[0013] As an optional implementation, in the first aspect of the present invention, the capacitance deviation parameter is calculated by a fourth formula, and the fourth formula is: ; in, Used to indicate the capacitance deviation parameter. Used to indicate the preset capacitance value. It is used to indicate the fundamental voltage target value at the input end of the reactor. It is used to indicate the fundamental voltage target value at the output end of the reactor, Used to indicate the fundamental angular frequency, Used to represent the second preset inductance value.

[0014] The second aspect of the present invention discloses a reactive compensation early warning control device based on multi-dimensional parameter fusion analysis, the device is applied to a reactor, the reactor is electrically connected to a target control loop, the target control loop includes a capacitor, and the device includes: A collection module, used for collecting a first multi-dimensional state parameter of the reactor within a preset range, wherein the first multi-dimensional state parameter includes a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in a target control loop; A matching module, used for matching each dimensional state parameter in the first multi-dimensional state parameter with a first analysis algorithm of the dimensional state parameter; A calculation module, used for calculating a target analysis parameter of the dimensional state parameter according to the first analysis algorithm; A judgment module, used to judge whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter; A generating module is used for generating, when the judgment result of the judging module is yes, early warning control parameters for the target control unit corresponding to the target analysis parameters according to the target analysis parameters, the early warning control parameters are used to perform matching early warning control operations on the target control unit, and the early warning control operations include at least one of harmonic voltage protection control operations, harmonic current protection control operations, resonance protection control operations, grid overvoltage protection control operations, capacitor overvoltage protection control operations, and capacitance loss early warning control operations.

[0015] As an optional implementation, in the second aspect of the present invention, the second multidimensional state parameter includes voltage state parameters at the input and output ends of the reactor, and for the voltage state parameter of the second multidimensional state parameter, the first analysis algorithm includes a target conversion algorithm and a second analysis algorithm, and the specific manner in which the calculation module calculates the target analysis parameter of the dimensional state parameter according to the first analysis algorithm includes: For each of the voltage state parameters, converting the voltage state parameter into a target level parameter of the voltage state parameter according to the target conversion algorithm; Calculating each target harmonic parameter of the voltage state parameter according to the target series parameter; According to the second analysis algorithm, a multidimensional target value parameter of each target harmonic parameter is calculated, wherein the multidimensional target value parameter is used to indicate the influence of the target harmonic parameter of the corresponding order on the target control loop, and the multidimensional target value parameter includes a voltage target value parameter and a current target value parameter; Calculating the capacitance deviation parameter of the capacitor according to all the multi-dimensional target values; The voltage state parameter, the multi-dimensional target value parameter and the capacitance deviation parameter are determined as target analysis parameters of the voltage state parameter.

[0016] As an optional implementation manner, in the second aspect of the present invention, for each of the voltage state parameters, the specific manner in which the calculation module converts the voltage state parameter into a target level parameter of the voltage state parameter according to the target conversion algorithm includes: Determine a type parameter of the voltage state parameter, where the type parameter is used to indicate whether the voltage state parameter is a continuous state parameter or a discrete state parameter; Correcting the target conversion algorithm according to the type parameter; According to the corrected target conversion algorithm, the voltage state parameter is converted into a target level parameter of the voltage state parameter, wherein the target level parameter includes a first parameter and a second parameter, wherein the first parameter is used to represent the intensity of the change of the voltage state parameter, and the second parameter is used to represent the direction and time state of the change of the voltage state parameter.

[0017] As an optional implementation manner, in the second aspect of the present invention, each target harmonic parameter of the voltage state parameter is calculated by a first formula, and the first formula is: ; ;

[0018] ; in, and Used to indicate the nth target harmonic parameter, is used to represent the target series parameter, That is =n, Used to indicate the total number of harmonics. Used to indicate The real part of Used to indicate The imaginary part of The discrete data points used to represent the voltage state parameters, Used to indicate the fundamental angular frequency.

[0019] As an optional implementation manner, in the second aspect of the present invention, the voltage target value parameter is calculated by a second formula, and the second formula is: ; in, The voltage target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset first weight.

[0020] As an optional implementation, in the second aspect of the present invention, the current target value parameter is calculated by a third formula, and the third formula is: ; ; in, The current target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset second weight, Used to indicate harmonic order, is used to indicate a first preset inductance value, Used to indicate the The inductive reactance value of the target harmonic parameter.

[0021] As an optional implementation, in the second aspect of the present invention, the capacitance deviation parameter is calculated by a fourth formula, and the fourth formula is: ; in, Used to indicate the capacitance deviation parameter. Used to indicate the preset capacitance value. It is used to indicate the fundamental voltage target value at the input end of the reactor. It is used to indicate the fundamental voltage target value at the output end of the reactor, Used to indicate the fundamental angular frequency, Used to represent the second preset inductance value.

[0022] The third aspect of the present invention discloses another reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis, the device comprising: A memory storing executable program code; a processor coupled to the memory; The processor calls the executable program code stored in the memory to execute the reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis disclosed in the first aspect of the present invention.

[0023] The fourth aspect of the present invention discloses a computer storage medium, which stores computer instructions. When the computer instructions are called, they are used to execute the reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis disclosed in the first aspect of the present invention.

[0024] Compared with the prior art, the embodiments of the present invention have the following beneficial effects: In an embodiment of the present invention, the method is applied to a reactor, the reactor is electrically connected to a target control loop, the target control loop includes a capacitor, and the method includes: collecting a first multi-dimensional state parameter within a preset range of the reactor, the first multi-dimensional state parameter including a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in the target control loop; for each dimensional state parameter in the first multi-dimensional state parameter, matching a first analysis algorithm of the dimensional state parameter; calculating a target analysis parameter of the dimensional state parameter according to the first analysis algorithm; judging whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter, and when the judgment result is yes, generating an early warning control parameter for a target control unit corresponding to the target analysis parameter according to the target analysis parameter, the early warning control parameter being used to perform a matching early warning control operation on the target control unit, the early warning control operation including at least one of a harmonic voltage protection control operation, a harmonic current protection control operation, a resonance protection control operation, a power grid overvoltage protection control operation, a capacitor overvoltage protection control operation, and a capacitance loss early warning control operation. It can be seen that the implementation of the present invention can match the first analysis algorithm of each dimensional state parameter according to the first multidimensional state parameters including the second multidimensional state parameters of the reactor and the third multidimensional state parameters of each branch in the target control loop corresponding to the reactor within the preset range of the collected reactor, so as to specifically calculate the target analysis parameter of the dimensional state parameter, and when it is judged that the target analysis parameter is greater than or equal to the preset analysis threshold parameter corresponding to the target analysis parameter, generate early warning control parameters for the target control unit corresponding to the target analysis parameter, and provide multi-dimensional early warning control operations. Compared with the prior art, it can not only improve the control of reactors and reactance by matching analysis algorithms, but also From the perspective of comprehensiveness and accuracy of analysis of multi-dimensional state parameters of each branch in the target control loop corresponding to the device, the accuracy and comprehensiveness of reactive compensation early warning control of the reactor can be improved. By integrating and applying the above technical scheme in the reactor, the processing efficiency of reactive compensation early warning analysis and control of the reactor can be improved, and the production application risks caused by inaccurate, incomplete and untimely local judgment can be reduced. Moreover, for each dimensional state parameter, the accuracy, comprehensiveness and efficiency of reactive compensation early warning control of the reactor can be further improved based on the corresponding preset analysis threshold parameters, the performance of the dimensional state parameters themselves, harmonics, impedance, device performance, physical characteristic changes and other angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a flow chart of a reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis disclosed in an embodiment of the present invention; Figure 2 is a schematic structural diagram of a reactor disclosed in an embodiment of the present invention; Figure 3 It is a schematic diagram of an infinite communication structure of a reactor disclosed in an embodiment of the present invention; Figure 4 It is a structural schematic diagram of a reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis disclosed in an embodiment of the present invention; Figure 5 It is a structural schematic diagram of another reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis disclosed in an embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, device, product or end including a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units inherent to these processes, methods, products or ends.

[0029] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0030] The present invention discloses a reactive power compensation early warning control method and device based on multi-dimensional parameter fusion analysis, which can respectively match the first analysis algorithm of each dimensional state parameter according to the first multi-dimensional state parameter including the second multi-dimensional state parameter of the reactor and the third multi-dimensional state parameter of each branch in the target control loop corresponding to the reactor within the preset range of the collected reactor, so as to specifically calculate the target analysis parameter of the dimensional state parameter, and when it is judged that the target analysis parameter is greater than or equal to the preset analysis threshold parameter corresponding to the target analysis parameter, generate the early warning control parameter for the target control unit corresponding to the target analysis parameter, provide multi-dimensional early warning control operation, and compared with the prior art, can not only match the analysis parameters of the target analysis parameter by matching the analysis parameters, but also can effectively improve the reactive power compensation early warning control method and device. The analysis algorithm improves the accuracy and comprehensiveness of reactive compensation early warning control of reactors from the perspective of improving the comprehensiveness and accuracy of the analysis of multi-dimensional state parameters of reactors and each branch in the target control loop corresponding to the reactor. It can also improve the processing efficiency of reactive compensation early warning analysis and control of reactors by integrating the above technical solutions into reactors, and reduce the production and application risks caused by inaccurate, incomplete and untimely local judgments. Moreover, for each dimensional state parameter, it can further improve the accuracy, comprehensiveness and efficiency of reactive compensation early warning control of reactors based on the corresponding preset analysis threshold parameters, the performance of each dimensional state parameter itself, harmonics, impedance, device performance, physical characteristic changes, etc. The following are detailed descriptions.

[0031] Embodiment 1 See also Figure 1 , Figure 1 1 is a flow chart of a reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis disclosed in an embodiment of the present invention. Figure 1 The reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis described can be applied to reactors, and can also be applied to intelligent devices related to reactors, wherein the above-mentioned reactor is electrically connected to a target control loop, and the target control loop includes a capacitor, and the intelligent device includes but is not limited to one or more of a battery device, a cloud device, an edge computing device, a relay device, a base station device, an urban management device, and an intelligent networked device, and the embodiments of the present invention are not limited thereto. Figure 1 As shown, the reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis may include the following operations: 101. Collect a first multi-dimensional state parameter within a preset range of the reactor, where the first multi-dimensional state parameter includes a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in the target control loop; In the embodiment of the present invention, optionally, Figure 2 As shown, Figure 2 A structural schematic diagram of a reactor is disclosed; Figure 2 In the figure, a is a left view of the reactor, and b is a front view of the reactor. The reactor may include a reactor body, a voltage acquisition unit, a temperature acquisition unit, a main control board, an alarm output unit, and a wireless communication unit; Among them, the reactor body, such as Figure 2 As shown in the left view a marked ①, it can be used to match the capacity of the capacitor and the required reactance ratio to match the reactor parameters; The voltage acquisition unit is used to collect the voltage samples at the input end of the reactor (such as Figure 2 The front view b is marked as ②) and the voltage sampling at its output end (as shown Figure 2 (as shown in the front view b marked ③); Temperature collection unit, collection points such as Figure 2 As shown in the front view b marked ④, there are multiple internal collection points, including 7 internal collection points and 1 external collection point. Among the 7 internal temperature collection points, 6 are used to collect the temperature of the terminal, the other one collects the temperature of the reactor B phase wire package, and the 1 external collection point is mainly used to collect the temperature inside the capacitor in the target control loop; Main control board, such as Figure 2 As shown in the left view a marked ⑤, it can be embedded in the upper end of the reactor, and internally integrates power conversion circuit, voltage acquisition circuit, temperature acquisition current, alarm output circuit, external communication receiving circuit, single-chip control circuit, etc. The main control board is mainly used for data analysis, logic judgment, alarm output, and data communication; Alarm output unit, optional, can use the main contact of the normally closed relay as the signal output point, such as Figure 2 The front view b is marked as ⑥. The alarm output is generally connected in series with the control signal. When the main control board determines that a preset alarm occurs, the main control board sends a signal to control the relay to disconnect, thereby disconnecting the control signal and causing the switching switch to be cut off; In the embodiment of the present invention, optionally, the following target control unit may be the above-mentioned alarm output unit; In the embodiment of the present invention, further optionally, for the wireless communication unit, the wireless communication unit body can be embedded in the main control board as a communication medium between the main control board and the host computer, such as Figure 3 As shown, Figure 3Disclosed is a schematic diagram of a wireless communication structure of a reactor, wherein the wireless communication unit is a LORA (Long Range Radio, LORA) module, and, Figure 3 In the LORA module (controller), the LORA module (controller) can correspond to the host computer. The reactor has a built-in LORA module. The LORA module (controller) can collect the real-time operating parameters of each reactor (capacitor capacity, capacitor loss rate, temperature, current, voltage, etc.) through LORA wireless communication. In the embodiment of the present invention, further optionally, in the target control loop, the third multi-dimensional state parameters of each branch include basic physical quantity parameters (such as temperature, pressure) and direct control quantity parameters (such as set value, deviation). In addition, high-order parameters that can comprehensively describe the complex state of the target control loop from multiple dimensions include: 1. Dynamic response characteristic parameters, such as time domain characteristics: overshoot, adjustment time, rise time, number of oscillations, steady-state error, dynamic robustness: anti-interference ability, recovery time, dynamic stiffness, nonlinear characteristics: hysteresis effect, dead zone range, saturation threshold; 2. Frequency / frequency domain characteristic parameters, such as frequency response: bandwidth, phase margin, gain margin, resonant frequency, harmonics and noise: total harmonic distortion (THD), signal-to-noise ratio (SNR), spectrum energy distribution, filter characteristics: cutoff frequency, attenuation slope, passband ripple; 3. Statistical and random characteristic parameters, such as statistical distribution: mean, variance, covariance, kurtosis, skewness, random process characteristics: autocorrelation function, power spectrum density, Markov chain state transition probability, uncertainty measurement: parameter confidence interval, Monte Carlo simulation output distribution; 4. Information and communication dimension parameters, such as communication quality: transmission delay, packet loss rate, communication bandwidth utilization, signal integrity: quantization error, sampling rate adaptability, signal synchronization accuracy, network security: encryption strength, abnormal traffic detection indicators; 5. Energy efficiency and performance optimization parameters, such as energy efficiency: power consumption / energy consumption ratio, heat loss, and regenerative energy utilization rate; optimization indicators: cost function value, optimal control trajectory deviation, and predictive control rolling optimization residual; reliability indicators: mean time between failures (MTBF), fault detection rate, and health score; 6. Spatial / geometric distribution parameters, such as field distribution characteristics: temperature gradient, pressure field uniformity, velocity distribution symmetry, geometric relationships: posture error (such as translation / rotation deviation), joint space and task space mapping error, multi-sensor fusion: spatial registration accuracy, multi-source data fusion consistency; 7. Environmental and external interference parameters, such as environmental interference: ambient temperature fluctuation, humidity influence coefficient, electromagnetic interference intensity, load disturbance: load mutation amplitude, external torque / force spectrum characteristics, random events: sudden failure probability, external shock duration; 8. High-order control model parameters, such as state space parameters: state observer estimation error, Kalman filter covariance matrix, adaptive control parameters: parameter adjustment rate, model reference adaptive control (MRAC) tracking error, prediction model parameters: prediction time domain length, rolling optimization weight matrix, constraint violation probability; 9. Material / chemical process parameters (specific fields), such as material properties: viscosity, concentration gradient, reaction rate constant; chemical processes: catalyst activity, phase transition critical point, diffusion coefficient; biological processes: cell growth rate, metabolite concentration, pH dynamic equilibrium; 10. Safety and health management parameters, such as fault diagnosis: residual signal amplitude, fault isolation confidence, remaining useful life (RUL) prediction, safety threshold: safe operation boundary (such as maximum allowable pressure), fault-tolerant control redundancy, human-computer interaction: operator response delay, ergonomic load index; In summary, the selection of the third multidimensional state parameters is highly dependent on the specific application scenario. For example: industrial robots: joint torque harmonic content, end effector vibration spectrum; power systems: branch flow covariance, reactive power fluctuation rate; chemical processes: concentration distribution uniformity in the reactor, dynamic changes in heat transfer efficiency; the third multidimensional state parameters need to be determined in combination with the system model, control target and sensor configuration corresponding to the target control loop.

[0032] In the embodiment of the present invention, further optionally, the above-mentioned second multi-dimensional state parameter may further correspond to the above-mentioned third multi-dimensional state parameter, that is, it may also include corresponding parameters of the same type, but is used to indicate the state of the corresponding dimension of the reactor.

[0033] It can be seen that the implementation of the embodiments of the present invention can improve the accuracy and comprehensiveness of the reactive compensation early warning control of the reactor from the perspective of improving the comprehensiveness and accuracy of the analysis of the multi-dimensional state parameters of the reactor and each branch in the target control loop corresponding to the reactor. It can also improve the processing efficiency of the reactive compensation early warning analysis and control of the reactor by integrating and applying the above-mentioned technical scheme in the reactor, improve the intelligence level of the reactor and the degree of embedded convenient application, and reduce the production application risks brought about by inaccurate, incomplete and untimely local judgment.

[0034] 102. For each dimensional state parameter in the first multi-dimensional state parameters, match a first analysis algorithm for the dimensional state parameter; 103. Calculate the target analysis parameter of the dimensional state parameter according to the first analysis algorithm; In an embodiment of the present invention, as an optional implementation, the second multi-dimensional state parameter includes voltage state parameters at the input and output ends of the reactor. For the voltage state parameter of the second multi-dimensional state parameter, the first analysis algorithm includes a target conversion algorithm and a second analysis algorithm, and, according to the first analysis algorithm, calculating the target analysis parameter of the dimensional state parameter includes: For each voltage state parameter, converting the voltage state parameter into a target level parameter of the voltage state parameter according to a target conversion algorithm; Calculate each target harmonic parameter of the voltage state parameter according to the target series parameter; According to the second analysis algorithm, a multi-dimensional target value parameter of each target harmonic parameter is calculated, and the multi-dimensional target value parameter is used to indicate the influence degree of the corresponding target harmonic parameter on the target control loop, and the multi-dimensional target value parameter includes a voltage target value parameter and a current target value parameter; Calculate the capacitance deviation parameter of the capacitor according to all multi-dimensional target values; The voltage state parameter, the multi-dimensional target value parameter and the capacitance deviation parameter are determined as the target analysis parameters of the voltage state parameter.

[0035] In this optional embodiment, optionally, when the dimensional state parameter is a temperature state parameter, it can be combined with the content described in the above-mentioned temperature acquisition unit. For different temperature acquisition points, the corresponding components are different. Accordingly, the corresponding temperature state parameters can be combined with the physical property parameters, service life parameters, usage frequency parameters and other performance parameters of the corresponding components to perform standardized conversion of the temperature state parameters to varying degrees, so as to obtain the target analysis parameters of the temperature state parameters under a unified standard.

[0036] It can be seen that the implementation of this optional embodiment can, when the dimensional state parameters are the voltage state parameters of the input and output ends of the above-mentioned reactor, for each voltage state parameter, according to the matched target conversion algorithm, convert the voltage state parameter into the target level parameter of the voltage state parameter; according to the target level parameter, calculate the target harmonic parameters of the voltage state parameter; thereby using the target harmonic parameters of the voltage state parameter and the second analysis algorithm, calculate the multidimensional target value parameters used to represent the degree of influence of the corresponding order target harmonic parameters on the target control loop and at least including the voltage target value parameter and the current target value parameter, and further calculate the capacitance deviation parameter of the capacitor, thereby improving the accuracy and comprehensiveness of the reactive compensation early warning analysis of the integrated reactor, which is beneficial to improve the accuracy, comprehensiveness and efficiency of the reactive compensation early warning control of the reactor from the perspective of improving the comprehensiveness and accuracy of the analysis of the multidimensional state parameters of the reactor and each branch in the target control loop corresponding to the reactor.

[0037] In this optional embodiment, as an optional embodiment mode, for each voltage state parameter, according to the target conversion algorithm, converting the voltage state parameter into a target level parameter of the voltage state parameter includes: Determine a type parameter of the voltage state parameter, where the type parameter is used to indicate whether the voltage state parameter is a continuous state parameter or a discrete state parameter; According to the type parameter, the target conversion algorithm is corrected; According to the corrected target conversion algorithm, the voltage state parameter is converted into a target level parameter of the voltage state parameter, the target level parameter includes a first parameter and a second parameter, the first parameter is used to represent the change intensity of the voltage state parameter, and the second parameter is used to represent the change direction and time state of the voltage state parameter.

[0038] It can be seen that the implementation of this optional embodiment can further, by determining the type parameter of the voltage state parameter, correct the target conversion algorithm, so that according to the corrected target conversion algorithm, the voltage state parameter is converted into a target level parameter of the voltage state parameter including a first parameter for indicating the intensity of the change of the voltage state parameter and a second parameter for indicating the direction of change and the time state of the voltage state parameter, which is beneficial to further improve the comprehensiveness and accuracy of the analysis of the dimensional state parameters, improve the accuracy and comprehensiveness of the reactive compensation early warning control of the reactor, and improve the intelligence level of the reactor and the degree of embedded convenient application.

[0039] In this optional embodiment, as another optional implementation, each target harmonic parameter of the above voltage state parameter is calculated by a first formula, and the first formula is: ; ;

[0040] ; in, and Used to indicate the nth target harmonic parameter, Used to represent the target series parameter, That is =n when the target series parameter is Used to indicate the total number of harmonics. Used to indicate The real part of Used to indicate The imaginary part of Discrete data points used to represent voltage state parameters, Used to indicate the fundamental angular frequency.

[0041] It can be seen that the implementation of this optional embodiment can further improve the calculation accuracy and flexibility of the target harmonic parameters through the first formula, improve the flexibility of parameter acquisition of the integrated reactor, and the flexibility of parameter analysis and processing, which is beneficial to improving the flexibility, accuracy, comprehensiveness and efficiency of the reactive compensation early warning control of the reactor, and is beneficial to improving the level of production safety.

[0042] In this optional embodiment, as another optional implementation, the voltage target value parameter is calculated by a second formula, and the second formula is: ; in, Voltage target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset first weight.

[0043] It can be seen that the implementation of this optional embodiment can improve the feasibility and accuracy of the analysis of the voltage target value based on the second formula, which is beneficial to improving the accuracy of the reactive compensation warning analysis and control of the reactor.

[0044] In this optional embodiment, as an optional implementation manner, the above-mentioned current target value parameter is calculated by a third formula, and the third formula is: ; ; in, The current target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset second weight, Used to indicate harmonic order, is used to indicate a first preset inductance value, Used to indicate the The inductive reactance value of the sub-target harmonic parameter.

[0045] It can be seen that the implementation of this optional embodiment can improve the feasibility and accuracy of the analysis of the current target value based on the third formula, which is conducive to further improving the accuracy of the reactive compensation warning analysis and control of the reactor.

[0046] In this optional embodiment, as another optional implementation, the above capacitance deviation parameter is calculated by a fourth formula, and the fourth formula is: ; in, Used to indicate the capacitance deviation parameter. Used to indicate the preset capacitance value. Used to indicate the fundamental voltage target value at the input end of the reactor. Used to indicate the fundamental voltage target value at the output end of the reactor. Used to indicate the fundamental angular frequency, Used to represent the second preset inductance value.

[0047] It can be seen that the implementation of the embodiment of the present invention can further analyze the capacitance deviation parameter of the capacitor in the target control loop based on the fourth formula, thereby helping to improve the accuracy of the reactive compensation early warning analysis of the reactor and further improve the comprehensiveness of the reactive compensation early warning analysis of the reactor. It is beneficial to provide capacitor overvoltage protection control and capacitance loss early warning control on the basis of providing at least one early warning protection control such as harmonic voltage protection control operation, harmonic current protection control operation, resonance protection control operation, and grid overvoltage protection control operation for the power system. Based on the performance of the state parameters of each dimension themselves, harmonics, impedance, device performance, physical characteristic changes, etc., the accuracy, comprehensiveness and efficiency of the reactive compensation early warning control of the reactor are further improved.

[0048] 104. Determine whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter; 105. When the judgment result is yes, a warning control parameter for the target control unit corresponding to the target analysis parameter is generated according to the target analysis parameter. The warning control parameter is used to perform a matching warning control operation on the target control unit. The warning control operation includes at least one of a harmonic voltage protection control operation, a harmonic current protection control operation, a resonance protection control operation, a grid overvoltage protection control operation, a capacitor overvoltage protection control operation, and a capacitance loss warning control operation.

[0049] It can be seen that the implementation of the present invention can match the first analysis algorithm of each dimensional state parameter according to the first multidimensional state parameters including the second multidimensional state parameters of the reactor and the third multidimensional state parameters of each branch in the target control loop corresponding to the reactor within the preset range of the collected reactor, so as to specifically calculate the target analysis parameter of the dimensional state parameter, and when it is judged that the target analysis parameter is greater than or equal to the preset analysis threshold parameter corresponding to the target analysis parameter, generate early warning control parameters for the target control unit corresponding to the target analysis parameter, and provide multi-dimensional early warning control operations. Compared with the prior art, it can not only improve the control of reactors and reactance by matching analysis algorithms, but also From the perspective of comprehensiveness and accuracy of analysis of multi-dimensional state parameters of each branch in the target control loop corresponding to the device, the accuracy and comprehensiveness of reactive compensation early warning control of the reactor can be improved. By integrating and applying the above technical scheme in the reactor, the processing efficiency of reactive compensation early warning analysis and control of the reactor can be improved, and the production application risks caused by inaccurate, incomplete and untimely local judgment can be reduced. Moreover, for each dimensional state parameter, the accuracy, comprehensiveness and efficiency of reactive compensation early warning control of the reactor can be further improved based on the corresponding preset analysis threshold parameters, the performance of the dimensional state parameters themselves, harmonics, impedance, device performance, physical characteristic changes and other angles.

[0050] Embodiment 2 See also Figure 4 , Figure 4 It is a structural diagram of a reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis disclosed in an embodiment of the present invention. The reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis can be applied to reactors, and can also be applied to intelligent devices related to reactors, wherein the above-mentioned reactor is electrically connected to a target control loop, and the target control loop includes a capacitor, and the intelligent device includes but is not limited to one or more of battery devices, cloud devices, edge computing devices, relay devices, base station devices, urban management devices, and intelligent network devices, which are not limited in the embodiments of the present invention. Figure 4 As shown, the reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis may include: An acquisition module 301 is used to acquire a first multi-dimensional state parameter of the reactor within a preset range, where the first multi-dimensional state parameter includes a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in the target control loop; A matching module 302, configured to match a first analysis algorithm of each dimensional state parameter in the first multi-dimensional state parameter; A calculation module 303, used to calculate a target analysis parameter of the dimensional state parameter according to a first analysis algorithm; A judgment module 304 is used to judge whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter; The generation module 305 is used to generate early warning control parameters for the target control unit corresponding to the target analysis parameters according to the target analysis parameters when the judgment result of the judgment module 304 is yes. The early warning control parameters are used to perform matching early warning control operations on the target control unit. The early warning control operations include at least one of harmonic voltage protection control operations, harmonic current protection control operations, resonance protection control operations, grid overvoltage protection control operations, capacitor overvoltage protection control operations, and capacitance loss early warning control operations.

[0051] It can be seen that the implementation of the present invention can match the first analysis algorithm of each dimensional state parameter according to the first multidimensional state parameters including the second multidimensional state parameters of the reactor and the third multidimensional state parameters of each branch in the target control loop corresponding to the reactor within the preset range of the collected reactor, so as to specifically calculate the target analysis parameter of the dimensional state parameter, and when it is judged that the target analysis parameter is greater than or equal to the preset analysis threshold parameter corresponding to the target analysis parameter, generate early warning control parameters for the target control unit corresponding to the target analysis parameter, and provide multi-dimensional early warning control operations. Compared with the prior art, it can not only improve the control of reactors and reactance by matching analysis algorithms, but also From the perspective of comprehensiveness and accuracy of analysis of multi-dimensional state parameters of each branch in the target control loop corresponding to the device, the accuracy and comprehensiveness of reactive compensation early warning control of the reactor can be improved. By integrating and applying the above technical scheme in the reactor, the processing efficiency of reactive compensation early warning analysis and control of the reactor can be improved, and the production application risks caused by inaccurate, incomplete and untimely local judgment can be reduced. Moreover, for each dimensional state parameter, the accuracy, comprehensiveness and efficiency of reactive compensation early warning control of the reactor can be further improved based on the corresponding preset analysis threshold parameters, the performance of the dimensional state parameters themselves, harmonics, impedance, device performance, physical characteristic changes and other angles.

[0052] In the embodiment of the present invention, as an optional implementation, the second multi-dimensional state parameter includes voltage state parameters of the input and output ends of the reactor. For the voltage state parameter of the second multi-dimensional state parameter, the first analysis algorithm includes a target conversion algorithm and a second analysis algorithm, and the calculation module 303 calculates the target analysis parameter of the dimensional state parameter according to the first analysis algorithm. The specific method includes: For each voltage state parameter, converting the voltage state parameter into a target level parameter of the voltage state parameter according to a target conversion algorithm; Calculate each target harmonic parameter of the voltage state parameter according to the target series parameter; According to the second analysis algorithm, a multi-dimensional target value parameter of each target harmonic parameter is calculated, and the multi-dimensional target value parameter is used to indicate the influence degree of the corresponding target harmonic parameter on the target control loop, and the multi-dimensional target value parameter includes a voltage target value parameter and a current target value parameter; Calculate the capacitance deviation parameter of the capacitor according to all multi-dimensional target values; The voltage state parameter, the multi-dimensional target value parameter and the capacitance deviation parameter are determined as the target analysis parameters of the voltage state parameter.

[0053] It can be seen that the implementation of this optional embodiment can, when the dimensional state parameters are the voltage state parameters of the input and output ends of the above-mentioned reactor, for each voltage state parameter, according to the matched target conversion algorithm, convert the voltage state parameter into the target level parameter of the voltage state parameter; according to the target level parameter, calculate the target harmonic parameters of the voltage state parameter; thereby using the target harmonic parameters of the voltage state parameter and the second analysis algorithm, calculate the multidimensional target value parameters used to represent the degree of influence of the corresponding order target harmonic parameters on the target control loop and at least including the voltage target value parameter and the current target value parameter, and further calculate the capacitance deviation parameter of the capacitor, thereby improving the accuracy and comprehensiveness of the reactive compensation early warning analysis of the integrated reactor, which is beneficial to improve the accuracy, comprehensiveness and efficiency of the reactive compensation early warning control of the reactor from the perspective of improving the comprehensiveness and accuracy of the analysis of the multidimensional state parameters of the reactor and each branch in the target control loop corresponding to the reactor.

[0054] In this optional embodiment, as an optional implementation, for each voltage state parameter, the calculation module 303 converts the voltage state parameter into the target level parameter of the voltage state parameter according to the target conversion algorithm in a specific manner including: Determine a type parameter of the voltage state parameter, where the type parameter is used to indicate whether the voltage state parameter is a continuous state parameter or a discrete state parameter; According to the type parameter, the target conversion algorithm is corrected; According to the corrected target conversion algorithm, the voltage state parameter is converted into a target level parameter of the voltage state parameter, the target level parameter includes a first parameter and a second parameter, the first parameter is used to represent the change intensity of the voltage state parameter, and the second parameter is used to represent the change direction and time state of the voltage state parameter.

[0055] It can be seen that the implementation of this optional embodiment can further, by determining the type parameter of the voltage state parameter, correct the target conversion algorithm, so that according to the corrected target conversion algorithm, the voltage state parameter is converted into a target level parameter of the voltage state parameter including a first parameter for indicating the intensity of the change of the voltage state parameter and a second parameter for indicating the direction of change and the time state of the voltage state parameter, which is beneficial to further improve the comprehensiveness and accuracy of the analysis of the dimensional state parameters, improve the accuracy and comprehensiveness of the reactive compensation early warning control of the reactor, and improve the intelligence level of the reactor and the degree of embedded convenient application.

[0056] In this optional embodiment, as another optional implementation, each target harmonic parameter of the above voltage state parameter is calculated by a first formula, and the first formula is: ; ;

[0057] ; in, and Used to indicate the nth target harmonic parameter, Used to represent the target series parameter, That is =n when the target series parameter is Used to indicate the total number of harmonics. Used to indicate The real part of Used to indicate The imaginary part of Discrete data points used to represent voltage state parameters, Used to indicate the fundamental angular frequency.

[0058] It can be seen that the implementation of this optional embodiment can further improve the calculation accuracy and flexibility of the target harmonic parameters through the first formula, improve the flexibility of parameter acquisition of the integrated reactor, and the flexibility of parameter analysis and processing, which is beneficial to improving the flexibility, accuracy, comprehensiveness and efficiency of the reactive compensation early warning control of the reactor, and is beneficial to improving the level of production safety.

[0059] In this optional embodiment, as another optional implementation, the voltage target value parameter is calculated by a second formula, and the second formula is: ; in, Voltage target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset first weight.

[0060] It can be seen that the implementation of this optional embodiment can improve the feasibility and accuracy of the analysis of the voltage target value based on the second formula, which is beneficial to improving the accuracy of the reactive compensation warning analysis and control of the reactor.

[0061] In this optional embodiment, as an optional implementation manner, the above-mentioned current target value parameter is calculated by a third formula, and the third formula is: ; ; in, The current target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset second weight, Used to indicate harmonic order, is used to indicate a first preset inductance value, Used to indicate the The inductive reactance value of the sub-target harmonic parameter.

[0062] It can be seen that the implementation of this optional embodiment can improve the feasibility and accuracy of the analysis of the current target value based on the third formula, which is conducive to further improving the accuracy of the reactive compensation warning analysis and control of the reactor.

[0063] In this optional embodiment, as another optional implementation, the above capacitance deviation parameter is calculated by a fourth formula, and the fourth formula is: ; in, Used to indicate the capacitance deviation parameter. Used to indicate the preset capacitance value. Used to indicate the fundamental voltage target value at the input end of the reactor. Used to indicate the fundamental voltage target value at the output end of the reactor. Used to indicate the fundamental angular frequency, Used to represent the second preset inductance value.

[0064] It can be seen that the implementation of the embodiment of the present invention can further analyze the capacitance deviation parameter of the capacitor in the target control loop based on the fourth formula, thereby helping to improve the accuracy of the reactive compensation early warning analysis of the reactor and further improve the comprehensiveness of the reactive compensation early warning analysis of the reactor. It is beneficial to provide capacitor overvoltage protection control and capacitance loss early warning control on the basis of providing at least one early warning protection control such as harmonic voltage protection control operation, harmonic current protection control operation, resonance protection control operation, and grid overvoltage protection control operation for the power system. Based on the performance of the state parameters of each dimension themselves, harmonics, impedance, device performance, physical characteristic changes, etc., the accuracy, comprehensiveness and efficiency of the reactive compensation early warning control of the reactor are further improved.

[0065] Embodiment 3 See also Figure 5 , Figure 5 It is a structural schematic diagram of another reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis disclosed in an embodiment of the present invention. The reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis can be applied to reactors, and can also be applied to intelligent devices related to reactors, wherein the above-mentioned reactor is electrically connected to a target control loop, and the target control loop includes a capacitor, and the intelligent device includes but is not limited to one or more of battery devices, cloud devices, edge computing devices, relay devices, base station devices, urban management devices, and intelligent network devices, which are not limited in the embodiments of the present invention. Figure 5 As shown, the reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis may include: The memory 401 stores executable program codes.

[0066] A processor 402 is coupled to the memory 401 .

[0067] The processor 402 calls the executable program code stored in the memory 401 to execute the steps in the reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis described in the first embodiment of the present invention or the second embodiment of the present invention.

[0068] Embodiment 4 An embodiment of the present invention discloses a computer storage medium, which stores computer instructions. When the computer instructions are called, they are used to execute the steps in the reactive compensation early warning control method based on multi-dimensional parameter fusion analysis described in Embodiment 1 or Embodiment 2 of the present invention.

[0069] Embodiment 5 An embodiment of the present invention discloses a computer program product, which includes a non-transitory computer storage medium storing a computer program, and the computer program can be operated to enable a computer to execute the steps in the reactive compensation early warning control method based on multi-dimensional parameter fusion analysis described in Example 1 or Example 2.

[0070] The device embodiments described above are only illustrative, wherein the modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, i.e., they may be located in one place, or they may be distributed on multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art may understand and implement it without creative work.

[0071] Through the specific description of the above embodiments, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on such an understanding, the above technical solution can be essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, and the storage medium includes a read-only memory (ROM), a random access memory (RAM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), a one-time programmable read-only memory (OTPROM), an electronically erasable rewritable read-only memory (EEPROM), a compact disc (CD-ROM) or other optical disc storage, magnetic disk storage, magnetic tape storage, or any other computer-readable medium that can be used to carry or store data.

[0072] Finally, it should be noted that the reactive power compensation early warning control method and device based on multi-dimensional parameter fusion analysis disclosed in the embodiment of the present invention discloses only the preferred embodiment of the present invention, which is only used to illustrate the technical scheme of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that it is still possible to modify the technical schemes recorded in the aforementioned embodiments, or to make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical schemes from the spirit and scope of the technical schemes of the various embodiments of the present invention.

Claims

1. A reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis, characterized in that: The method is applied to a reactor, the reactor is electrically connected to a target control loop, the target control loop includes a capacitor, and the method includes: Collecting a first multi-dimensional state parameter of the reactor within a preset range, wherein the first multi-dimensional state parameter includes a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in a target control loop; For each dimensional state parameter in the first multi-dimensional state parameters, matching a first analysis algorithm of the dimensional state parameter; and calculating a target analysis parameter of the dimensional state parameter according to the first analysis algorithm; Determine whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter. When the judgment result is yes, generate a warning control parameter for the target control unit corresponding to the target analysis parameter based on the target analysis parameter. The warning control parameter is used to perform a matching warning control operation on the target control unit. The warning control operation includes at least one of a harmonic voltage protection control operation, a harmonic current protection control operation, a resonance protection control operation, a grid overvoltage protection control operation, a capacitor overvoltage protection control operation, and a capacitance loss warning control operation.

2. The reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis according to claim 1 is characterized in that: The second multi-dimensional state parameter includes voltage state parameters at the input and output ends of the reactor. For the voltage state parameter of the second multi-dimensional state parameter, the first analysis algorithm includes a target conversion algorithm and a second analysis algorithm, and the target analysis parameter of the dimensional state parameter is calculated according to the first analysis algorithm, including: For each of the voltage state parameters, converting the voltage state parameter into a target level parameter of the voltage state parameter according to the target conversion algorithm; Calculating each target harmonic parameter of the voltage state parameter according to the target series parameter; According to the second analysis algorithm, a multidimensional target value parameter of each target harmonic parameter is calculated, wherein the multidimensional target value parameter is used to indicate the influence of the target harmonic parameter of the corresponding order on the target control loop, and the multidimensional target value parameter includes a voltage target value parameter and a current target value parameter; Calculating the capacitance deviation parameter of the capacitor according to all the multi-dimensional target values; The voltage state parameter, the multi-dimensional target value parameter and the capacitance deviation parameter are determined as target analysis parameters of the voltage state parameter.

3. The reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis according to claim 2 is characterized in that: For each of the voltage state parameters, converting the voltage state parameter into a target level parameter of the voltage state parameter according to the target conversion algorithm includes: Determine a type parameter of the voltage state parameter, where the type parameter is used to indicate whether the voltage state parameter is a continuous state parameter or a discrete state parameter; Correcting the target conversion algorithm according to the type parameter; According to the corrected target conversion algorithm, the voltage state parameter is converted into a target level parameter of the voltage state parameter, wherein the target level parameter includes a first parameter and a second parameter, wherein the first parameter is used to represent the intensity of the change of the voltage state parameter, and the second parameter is used to represent the direction and time state of the change of the voltage state parameter.

4. The reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis according to claim 3 is characterized in that: Each target harmonic parameter of the voltage state parameter is calculated by a first formula, and the first formula is: ； ； ； in, and Used to indicate the nth target harmonic parameter, is used to represent the target series parameter, That is =n, Used to indicate the total number of harmonics. Used to indicate The real part of Used to indicate The imaginary part of The discrete data points used to represent the voltage state parameters, Used to indicate the fundamental angular frequency.

5. The reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis according to claim 4 is characterized in that: The voltage target value parameter is calculated by a second formula, and the second formula is: ； in, The voltage target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset first weight.

6. The reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis according to claim 5 is characterized in that: The current target value parameter is calculated by a third formula, which is: ； ； in, The current target value parameter used to represent the nth target harmonic parameter, Used to indicate the preset second weight, Used to indicate harmonic order, is used to indicate a first preset inductance value, Used to indicate the The inductive reactance value of the target harmonic parameter.

7. The reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis according to claim 2 is characterized in that: The capacitance deviation parameter is calculated by the fourth formula, which is: ； in, Used to indicate the capacitance deviation parameter. Used to indicate the preset capacitance value. It is used to indicate the fundamental voltage target value at the input end of the reactor. It is used to indicate the fundamental voltage target value at the output end of the reactor, Used to indicate the fundamental angular frequency, Used to represent the second preset inductance value.

8. A reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis, characterized in that: The device is applied to a reactor, the reactor is electrically connected to a target control loop, the target control loop includes a capacitor, and the device includes: A collection module, used for collecting a first multi-dimensional state parameter of the reactor within a preset range, wherein the first multi-dimensional state parameter includes a second multi-dimensional state parameter of the reactor and a third multi-dimensional state parameter of each branch in a target control loop; A matching module, used for matching each dimensional state parameter in the first multi-dimensional state parameter with a first analysis algorithm of the dimensional state parameter; A calculation module, used for calculating a target analysis parameter of the dimensional state parameter according to the first analysis algorithm; A judgment module, used to judge whether the target analysis parameter is greater than or equal to a preset analysis threshold parameter corresponding to the target analysis parameter; A generating module is used for generating, when the judgment result of the judging module is yes, early warning control parameters for the target control unit corresponding to the target analysis parameters according to the target analysis parameters, the early warning control parameters are used to perform matching early warning control operations on the target control unit, and the early warning control operations include at least one of harmonic voltage protection control operations, harmonic current protection control operations, resonance protection control operations, grid overvoltage protection control operations, capacitor overvoltage protection control operations, and capacitance loss early warning control operations.

9. A reactive power compensation early warning control device based on multi-dimensional parameter fusion analysis, characterized in that: The device comprises: A memory storing executable program code; a processor coupled to the memory; The processor calls the executable program code stored in the memory to execute the reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis as described in any one of claims 1 to 7.

10. A computer storage medium, characterized in that: The computer storage medium stores computer instructions, which, when called, are used to execute the reactive power compensation early warning control method based on multi-dimensional parameter fusion analysis as described in any one of claims 1 to 7.

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