Intelligent control and protection system for special matching box transformer equipment of digital electric port

Abstract

The invention discloses an intelligent control and protection system for special matching box transformer equipment of a digital electric port, and relates to the technical field of box transformer equipment control and protection. The intelligent control and protection system comprises a data acquisition unit used for acquiring and preprocessing real-time operation state data of the box transformer substation equipment in real time; the operation monitoring unit is used for analyzing a real-time comprehensive operation index of the box transformer substation equipment; and the operation protection unit is used for judging and analyzing the real-time comprehensive operation index of the box transformer substation equipment and a preset operation protection threshold value and executing preset operation protection measures on the box transformer substation equipment based on a judgment and analysis result. And a current ripple index, a dynamic recession index and a sound vibration balance index are calculated, so that a real-time comprehensive operation index is formed, the equipment state can be monitored in an omnibearing manner, abnormal changes can be accurately captured, and reliable support is provided for early warning and fault diagnosis.

Description

Technical Field

[0001] The present invention relates to the technical field of control and protection of box-type transformer equipment, and in particular to an intelligent control and protection system for box-type transformer equipment exclusively matched with a digital power port. Background Art

[0002] As the digital transformation of the power industry continues to deepen, traditional distribution systems can no longer meet the needs of modern industrial and urban electricity consumption for safety, stability and real-time monitoring. As an important power conversion and distribution equipment in the distribution network, box-type transformers (abbreviated as "box transformers") are often faced with the combined influence of multiple factors such as load fluctuations, environmental changes, and equipment aging.

[0003] At the same time, the concept of digital power ports is emerging, using technologies such as the Internet of Things, big data, and cloud computing to conduct refined management and intelligent control of power systems. Applying the concept of digital power ports to the monitoring and protection of box-type transformer equipment can collect data such as power fluctuations, equipment degradation, vibration and noise in real time through multi-source sensors, and then perform comprehensive calculations based on the preset influence coefficients in the database to dynamically adjust the protection strategy. In this way, not only can the health status of box-type transformer equipment be monitored in all directions, but also early warnings can be issued in time at the early stage of failure, and corresponding protection measures can be quickly implemented to minimize the risk of power outages and maintenance costs. However, existing technologies still generally lack real-time fusion and intelligent processing of multi-dimensional data, making it difficult to flexibly adjust to environmental and load changes, resulting in the safety and economic benefits of equipment being difficult to fully guarantee.

[0004] In addition, the limitations of the existing technology include at least the following problems. First, the existing operation monitoring solutions for box-type transformers mostly rely on traditional single-parameter statistical analysis, and fail to comprehensively integrate multiple key factors such as power fluctuations, equipment degradation, vibration and noise for comprehensive analysis. Especially when facing dynamic changes during equipment operation, traditional designs fail to adjust protection strategies in real time according to the actual operating conditions and environmental factors of the equipment. Therefore, it is easy to cause a parameter of the equipment to be abnormal, and the system fails to issue a timely warning, which affects the immediate maintenance and protection of the equipment and increases the risk of failure and maintenance costs. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides an intelligent control and protection system for box-type transformer equipment exclusively for digital power ports, which solves the problems of monitoring omissions and early warning delays that are easily caused by the failure to fully integrate multi-dimensional operating data in the prior art.

[0006] To achieve the above purpose, the present invention is implemented through the following technical solutions: the digital power port exclusive supporting box transformer equipment intelligent control and protection system, including: a data acquisition unit, used to acquire and pre-process the real-time operation status data of the box transformer equipment in real time, the real-time operation status data includes power fluctuation data, equipment decay data, vibration and noise data; an operation monitoring unit, used to perform a comprehensive analysis on the pre-processed real-time operation status data of the box transformer equipment, respectively obtain the real-time current pulsation index, real-time dynamic decay index, and real-time vibration balance index of the box transformer equipment, and perform a comprehensive analysis to obtain the real-time comprehensive operation index of the box transformer equipment, the calculation formula of which is as follows: ;in, It is the real-time comprehensive operation index of the box-type transformer equipment. It is the real-time current pulsation index of the box-type transformer equipment. is the current pulsation influence coefficient stored in the database, It is the real-time dynamic decay index of the box-type transformer equipment. is the dynamic decay influence coefficient stored in the database, It is the real-time vibration balance index of the box-type transformer equipment. is the vibration balance influence coefficient stored in the database, is the vibration balance influencing factor stored in the database, It is the combined influence coefficient stored in the database; the operation protection unit is used to judge and analyze the real-time comprehensive operation index of the box-type transformer equipment and the preset operation protection threshold. When the real-time comprehensive operation index of the box-type transformer equipment is higher than the preset operation protection threshold, the preset operation protection measures are executed on the box-type transformer equipment.

[0007] Furthermore, the operation monitoring unit includes: a current pulsation analysis module, which is used to perform a comprehensive analysis on the pre-processed power fluctuation data of the box transformer equipment to obtain a real-time current pulsation index of the box transformer equipment; a dynamic decay analysis module, which is used to perform a comprehensive analysis on the pre-processed equipment decay data of the box transformer equipment to obtain a real-time dynamic decay index of the box transformer equipment; a vibration balance analysis module, which is used to perform a comprehensive analysis on the pre-processed vibration and noise data of the box transformer equipment to obtain a real-time vibration balance index of the box transformer equipment; a comprehensive analysis module, which is used to perform a comprehensive analysis on the real-time current pulsation index, real-time dynamic decay index and real-time vibration balance index of the box transformer equipment to obtain a real-time comprehensive operation index of the box transformer equipment.

[0008] Furthermore, the electric energy fluctuation data includes the operating current value and the operating voltage value at several time points within a set time period, and the specific steps for obtaining the real-time current pulsation index of the box transformer equipment are as follows: read the operating current value and the operating voltage value at several time points of the box transformer equipment, and perform mean analysis respectively to obtain the operating current mean value and the operating voltage mean value within the set time period of the box transformer equipment; perform a comprehensive analysis on the operating current mean value and the operating voltage mean value within the set time period of the box transformer equipment, respectively, in combination with the operating current value and the operating voltage value at several time points within the set time period of the box transformer equipment, to obtain the instantaneous current fluctuation value and the instantaneous voltage fluctuation value within the set time period of the box transformer equipment; obtain the rated power value of the box transformer equipment and the power factor value within the set time period, and perform a comprehensive analysis on the operating current mean value, the operating voltage mean value, the instantaneous current fluctuation value and the instantaneous voltage fluctuation value within the set time period of the box transformer equipment, to obtain the real-time current pulsation index of the box transformer equipment.

[0009] Furthermore, the specific steps for obtaining the power factor value within the set time period of the box-type transformer equipment are as follows: obtain the active power value, the effective value of the operating voltage, and the effective value of the operating current at several time points within the set time period of the box-type transformer equipment; comprehensively analyze the effective value of the operating voltage and the effective value of the operating current at several time points within the set time period of the box-type transformer equipment to obtain the apparent power values ​​at several time points within the set time period of the box-type transformer equipment; comprehensively analyze the active power values ​​at several time points within the set time period of the box-type transformer equipment in combination with the apparent power values ​​at the corresponding time points to obtain the power factor value within the set time period of the box-type transformer equipment.

[0010] Furthermore, the specific formula for calculating the real-time current ripple index of the box-type transformer equipment is as follows: ;in, It is the real-time current pulsation index of the box-type transformer equipment. It is the average operating current of the box-type transformer equipment within the set time period. It is the average operating voltage of the box-type transformer within the set time period. It is the power factor value of the box-type transformer within the set time period. is the rated power value of the box-type transformer equipment, It is the instantaneous voltage fluctuation value within the set time period of the box-type transformer equipment. is the load adjustment factor stored in the database, It is the instantaneous current fluctuation value of the box-type transformer equipment within the set time period. It is the current fluctuation adjustment coefficient stored in the database.

[0011] Furthermore, the equipment degradation data includes equipment operating temperature values ​​at several time points within a set time period and ambient humidity values ​​within a set area. The specific steps for obtaining the real-time dynamic degradation index of the box transformer equipment are as follows: read the equipment operating temperature values ​​at several time points within the set time period of the box transformer equipment, and perform comprehensive analysis on each of them to obtain the average equipment operating temperature and the maximum equipment operating temperature within the set time period of the box transformer equipment; obtain the equipment aging index at several time points within the set time period of the box transformer equipment, and perform comprehensive analysis on the average equipment operating temperature and the maximum equipment operating temperature within the set time period of the box transformer equipment, the equipment operating temperature values ​​at several time points within the set time period, and the ambient humidity values ​​within the set area to obtain the real-time dynamic degradation index of the box transformer equipment.

[0012] Furthermore, the specific steps for obtaining the equipment aging index at several time points within the set time period of the box-type transformer equipment are as follows: obtain the cumulative operating time, historical load, maintenance times, and failure times of the equipment at several time points within the set time period of the box-type transformer equipment, and perform standardization; conduct a comprehensive analysis of the cumulative operating time, historical load, maintenance times, and failure times of the equipment at several time points within the set time period of the box-type transformer equipment after standardization to obtain the equipment aging index at several time points within the set time period of the box-type transformer equipment.

[0013] Furthermore, the specific formula for calculating the real-time dynamic decay index of the box-type transformer equipment is as follows: ;in, It is the real-time dynamic decay index of the box-type transformer equipment. The first time within the set time period of the box-type transformer The equipment aging index at a time point, is the aging adjustment coefficient stored in the database, The first time within the set time period of the box-type transformer The ambient humidity value in the set area at a time point, is the humidity adjustment coefficient stored in the database, is a natural constant, The first time within the set time period of the box-type transformer The device operating temperature value at a time point, It is the average operating temperature of the equipment within the set time period of the box-type transformer equipment. It is the maximum operating temperature of the equipment within the set time period of the box-type transformer. is the temperature adjustment coefficient stored in the database, =1, 2, 3, ..., , The number of time points within the set time period.

[0014] Furthermore, the vibration and noise data include the equipment operation vibration amplitude and equipment operation noise value at several time points within a set time period, and the specific steps for obtaining the real-time vibration balance index of the box transformer equipment are as follows: read the equipment operation vibration amplitude and equipment operation noise value at several time points within the set time period of the box transformer equipment, and perform mean analysis on them respectively to obtain the mean value of the equipment operation vibration amplitude and the mean value of the equipment operation noise within the set time period of the box transformer equipment; obtain the maximum parameter value of the equipment operation vibration amplitude and the maximum parameter value of the equipment operation noise of the box transformer equipment, and perform comprehensive analysis on the mean value of the equipment operation vibration amplitude and the mean value of the equipment operation noise within the set time period of the box transformer equipment to obtain the real-time vibration balance index of the box transformer equipment.

[0015] Furthermore, the specific formula for calculating the real-time vibration balance index of the box-type transformer equipment is as follows: ;in, It is the real-time vibration balance index of the box-type transformer equipment. It is the average value of the equipment operation vibration amplitude within the set time period of the box-type transformer equipment. It is the maximum parameter value of the equipment operation vibration amplitude of the box-type transformer equipment. is the amplitude influence coefficient stored in the database, is the amplitude adjustment coefficient stored in the database, It is the average value of equipment operation noise within the set time period of the box-type transformer equipment. It is the maximum parameter value of the equipment operation noise of the box-type transformer equipment. is the noise adjustment coefficient stored in the database.

[0016] The present invention has the following beneficial effects: (1) The digital power port’s exclusive supporting intelligent control and protection system for box-type transformer equipment obtains multi-dimensional operating data of box-type transformer equipment in real time through the data acquisition unit, including power fluctuation, equipment degradation and vibration and noise data, and pre-processes and averages key parameters such as current, voltage, temperature, humidity, vibration amplitude and noise within a set period. The system first reads the operating current and voltage values ​​at each moment, calculates the operating average and instantaneous fluctuation value, and then combines the rated power and power factor of the equipment to calculate the real-time current pulsation index through the load adjustment coefficient stored in the database. At the same time, for the equipment degradation data, the system The system collects equipment temperature and ambient humidity, and combines them with the standardized equipment aging index. The dynamic decay index is derived based on the temperature mean, maximum temperature and humidity adjustment coefficient. For vibration and noise data, the vibration amplitude and noise mean are collected and analyzed, combined with the maximum parameter value of the equipment operation and the preset amplitude and noise adjustment parameters to calculate the vibration balance index. After comprehensive analysis of various indicators, a real-time comprehensive equipment operation index is formed, which realizes comprehensive and detailed monitoring of the operating status of the box-type transformer equipment, effectively captures minor abnormal changes, and provides an accurate and data-supported basis for subsequent early warning and fault diagnosis.

[0017] (2) The intelligent control and protection system for the box-type transformer equipment exclusively equipped with the digital power port, based on the realization of accurate data collection and calculation of various indicators, performs weighted fusion of the three major indicators of current pulsation, dynamic decay and vibration balance through a comprehensive analysis module to obtain a real-time comprehensive operation index reflecting the overall operation status of the equipment. This comprehensive index can not only reflect the changes in a single parameter, but also comprehensively consider multiple dimensions such as equipment power fluctuations, aging trends and vibration noise. It performs quantitative calculations through the current pulsation influence coefficient, aging adjustment coefficient, humidity and temperature adjustment coefficient, amplitude, noise adjustment parameters, etc. stored in the database, making data processing more scientific and accurate. When the equipment operation status is abnormal and causes the real-time comprehensive operation index to exceed the preset protection threshold, the system's operation protection unit will immediately automatically start protection measures, such as adjusting the load, circuit breaker protection or switching to the backup power supply, so as to quickly suppress the development of the fault and prevent equipment damage or the spread of accidents. This intelligent early warning mechanism based on multi-dimensional data fusion effectively improves the response speed and accuracy, ensures that the system can intervene in time under various complex working conditions, realize automatic control and protection, and ensure the overall power supply safety and stable system operation.

[0018] (3) The intelligent control and protection system for the box-type transformer equipment exclusively equipped with the digital power port not only realizes real-time monitoring and intelligent early warning of the equipment operating status, but also realizes accurate pre-maintenance and cost optimization through standardized processing of the equipment historical data. The system collects the cumulative operating time, historical load, maintenance times and failure times of the equipment within the set period, and calculates the equipment aging index after standardized processing of these data. Combined with the mean and maximum values ​​of the equipment operating temperature and the environmental humidity data, the real-time dynamic decay index is obtained through comprehensive calculation of the aging adjustment coefficient, humidity adjustment coefficient and temperature adjustment coefficient. In addition, through the precise calculation of the instantaneous current and voltage fluctuation values ​​in the power fluctuation data, a current pulsation index reflecting the instantaneous operating status of the equipment is formed. The data-driven comprehensive diagnosis enables the operation and maintenance personnel to accurately grasp the equipment decay trend and predict the potential failure risks in advance, so as to formulate a reasonable pre-maintenance plan, reduce sudden failures caused by equipment aging and abnormalities, reduce maintenance and downtime costs, extend the service life of equipment, achieve both economic benefits and safety, and provide a strong guarantee for the stable and efficient operation of the digital power port system.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a block diagram of the intelligent control and protection system for the box-type transformer equipment exclusively supporting the digital power port of the present invention.

[0021] Figure 2 This is a flowchart of the specific steps for obtaining the real-time current pulsation index of the digital power port's exclusive supporting box-type transformer equipment in the digital power port's exclusive supporting box-type transformer equipment intelligent control and protection system of the present invention.

[0022] Figure 3 This is a flowchart of the specific steps for obtaining the real-time vibration balance index of the digital power port's exclusive supporting box-type transformer equipment in the digital power port's exclusive supporting box-type transformer equipment intelligent control and protection system of the present invention. DETAILED DESCRIPTION

[0023] See also Figure 1The embodiment of the present invention provides a technical solution: an intelligent control and protection system for a digital power port exclusive supporting box transformer equipment, including: a data acquisition unit, used for real-time acquisition and pre-processing of real-time operating status data of the digital power port exclusive supporting box transformer equipment, the real-time operating status data including power fluctuation data, equipment decay data, and vibration noise data; an operation monitoring unit, used for comprehensive analysis of the pre-processed real-time operating status data of the digital power port exclusive supporting box transformer equipment, respectively obtaining the real-time current pulsation index, real-time dynamic decay index, and real-time vibration balance index of the digital power port exclusive supporting box transformer equipment, and performing comprehensive analysis to obtain the real-time comprehensive operating index of the digital power port exclusive supporting box transformer equipment; an operation protection unit, used for judging and analyzing the real-time comprehensive operating index of the digital power port exclusive supporting box transformer equipment and a preset operating protection threshold value, and when the real-time comprehensive operating index of the digital power port exclusive supporting box transformer equipment is higher than the preset operating protection threshold value, executing preset operating protection measures for the digital power port exclusive supporting box transformer equipment.

[0024] The operation monitoring unit includes: a current pulsation analysis module, which is used to comprehensively analyze the pre-processed electric energy fluctuation data of the exclusive supporting box-type transformer equipment of the digital power port, and obtain the real-time current pulsation index of the exclusive supporting box-type transformer equipment of the digital power port; a dynamic decay analysis module, which is used to comprehensively analyze the pre-processed equipment decay data of the exclusive supporting box-type transformer equipment of the digital power port, and obtain the real-time dynamic decay index of the exclusive supporting box-type transformer equipment of the digital power port; a vibration balance analysis module, which is used to comprehensively analyze the pre-processed vibration and noise data of the exclusive supporting box-type transformer equipment of the digital power port, and obtain the real-time vibration balance index of the exclusive supporting box-type transformer equipment of the digital power port; a comprehensive analysis module, which is used to comprehensively analyze the real-time current pulsation index, real-time dynamic decay index, and real-time vibration balance index of the exclusive supporting box-type transformer equipment of the digital power port, and obtain the real-time comprehensive operation index of the exclusive supporting box-type transformer equipment of the digital power port.

[0025] The specific formula for calculating the real-time comprehensive operation index of the variable equipment is as follows: ;in, It is the real-time comprehensive operation index of the box-type transformer equipment exclusively supporting the Digital Power Port. It is the real-time current pulsation index of the box-type transformer equipment exclusively supporting the Digital Power Port. is the current pulsation influence coefficient stored in the database, It is the real-time dynamic decay index of the box-type transformer equipment exclusively supporting the Digital Power Port. is the dynamic decay influence coefficient stored in the database, It is the real-time vibration balance index of the box-type transformer equipment exclusively supporting the Digital Power Port. is the vibration balance influence coefficient stored in the database, It is the vibration balance impact factor stored in the database, which is used to prevent the denominator from being 0. is the joint influence coefficient stored in the database.

[0026] It should be explained that the current pulsation influence coefficient stored in the database , Dynamic decay influence coefficient , vibration balance influence coefficient The specific steps for obtaining are as follows: first, based on a large amount of historical operation data and laboratory test results, the variation ranges of the three core indicators of current pulsation, equipment degradation and vibration noise under different faults and normal operating conditions are extracted respectively, and the typical characteristics of each indicator before the fault is analyzed and calibrated in combination with expert experience or machine learning algorithms. Finally, by comparing the differences in these characteristic parameters before and after the fault, weighted fitting or piecewise function approximation methods are used to obtain the influence coefficient that best reflects the risk level, and it is solidified and stored in the database so that the fault risk can be quickly assessed according to the actual values ​​during subsequent real-time monitoring.

[0027] Joint influence coefficients stored in the database The specific steps for obtaining are: perform correlation or regression analysis on the current pulsation influence coefficient, dynamic decay influence coefficient, vibration balance influence coefficient and equipment comprehensive operation index, select the combination that is most sensitive to fault prediction when multiple indicators are abnormal in coordination, and then perform comprehensive fitting based on the measured data of the equipment in multiple scenarios (including multiple operation records under different loads and environmental conditions) to form a joint coefficient that reflects the joint effect of multiple dimensions, and store it in the database for real-time calculation and call, so as to realize dynamic coupling judgment of various risk factors during the monitoring process.

[0028] Specifically, Figure 2As shown, the electric energy fluctuation data includes the operating current value and the operating voltage value at several time points within a set time period (for example, ten seconds). The specific steps to obtain the real-time current pulsation index of the exclusive supporting box-type transformer of the Digital Power Port are as follows: read the operating current value and the operating voltage value of the exclusive supporting box-type transformer of the Digital Power Port at several time points, and perform mean analysis on them respectively to obtain the operating current mean value and the operating voltage mean value within the set time period of the exclusive supporting box-type transformer of the Digital Power Port; combine the operating current mean value and the operating voltage mean value within the set time period of the exclusive supporting box-type transformer of the Digital Power Port with the operating current mean value and the operating voltage mean value of the exclusive supporting box-type transformer of the Digital Power Port respectively. The current value and the operating voltage value are comprehensively analyzed (i.e., the instantaneous maximum and minimum values ​​of the voltage and current are recorded, and the difference operation is performed with the average voltage at the previous moment or a reference value to obtain the instantaneous fluctuation value), and the instantaneous current fluctuation value and the instantaneous voltage fluctuation value within the set time period of the Digital Power Port's exclusive supporting box-type transformer equipment are obtained; the rated power value and the power factor value within the set time period of the Digital Power Port's exclusive supporting box-type transformer equipment are obtained, and the operating current average value, operating voltage average value, instantaneous current fluctuation value, and instantaneous voltage fluctuation value of the Digital Power Port's exclusive supporting box-type transformer equipment within the set time period are comprehensively analyzed to obtain the real-time current pulsation index of the Digital Power Port's exclusive supporting box-type transformer equipment.

[0029] The operating current value can be measured and obtained by a current transformer or a Hall current sensor.

[0030] The operating voltage value can be measured and obtained through a voltage transformer or a voltage sensor.

[0031] The rated power value can be obtained from the equipment nameplate or technical manual.

[0032] The specific formula for calculating the real-time current pulsation index of the Digital Power Port's exclusive supporting box-type transformer equipment is as follows: ;in, It is the real-time current pulsation index of the box-type transformer equipment exclusively supporting the Digital Power Port. It is the average value of the operating current within the set time period of the exclusive supporting box-type transformer equipment of Digital Power Port. It is the average operating voltage of the Digital Power Port’s exclusive supporting box-type transformer equipment within a set time period. It is the power factor value within the set time period of the exclusive supporting box-type transformer equipment of Digital Power Port. This is the rated power value of the box-type transformer equipment exclusively used by Digital Power Port. It is the instantaneous voltage fluctuation value within the set time period of the exclusive supporting box-type transformer equipment of Digital Power Port. is the load adjustment factor stored in the database, It is the instantaneous current fluctuation value within the set time period of the box-type transformer equipment exclusively supporting the Digital Power Port. It is the current fluctuation adjustment coefficient stored in the database.

[0033] It should be explained that the load adjustment factor stored in the database The specific acquisition steps are as follows: collect operating data under different load levels over a long period of time, including parameters such as current, voltage, and power factor, and perform regression or segmented statistical analysis based on the actual load utilization and fault occurrence rate of the equipment under different working conditions, and finally determine the most representative adjustment coefficient for the fault risk in each load interval. Then, after smoothing or interpolating these interval coefficients, solidify them into the database to achieve dynamic compensation for the real-time load level.

[0034] Current fluctuation adjustment coefficient stored in the database The specific acquisition steps are as follows: multiple sampling and fault recording are performed for the current fluctuation range of the equipment under normal and extreme working conditions, the key features of the instantaneous current fluctuations under normal and abnormal conditions are compared, and parameter calibration is performed in combination with expert experience or machine learning algorithms to extract the weights of the impact of different fluctuation amplitudes on the fault risk, and then these weights are normalized or curve-fitted to form the final adjustment coefficients, which are stored in the database for real-time evaluation of the possibility of faults when the current suddenly changes.

[0035] The specific implementation example of calculating the real-time current pulsation index of the digital power port's exclusive supporting box-type transformer equipment is as follows. The following data is available: The average operating current of the Digital Power Port’s exclusive supporting box-type transformer equipment within the set time period is approximately: 82.731 (unit: A).

[0036] The average operating voltage of the Digital Power Port’s exclusive supporting box-type transformer equipment within the set time period is approximately: 382.657 (unit: V).

[0037] The power factor value of the Digital Power Port’s exclusive supporting box-type transformer equipment within the set time period is approximately: 0.947.

[0038] The rated power value of the Digital Power Port’s exclusive supporting box-type transformer equipment is approximately: 50.231 (unit: KW).

[0039] The instantaneous voltage fluctuation value within the set time period of the Digital Power Port’s exclusive supporting box-type transformer equipment is approximately: 10.481 (unit: V).

[0040] The instantaneous current fluctuation value within the set time period of the Digital Power Port’s exclusive supporting box-type transformer equipment is approximately: 7.236 (unit: A).

[0041] The load adjustment factor stored in the database is approximately: 0.332.

[0042] The current fluctuation adjustment coefficient stored in the database is approximately: 0.176.

[0043] Substituting the above data into the specific formula for calculating the real-time current pulsation index of the digital power port's exclusive supporting box-type transformer equipment, we get: The real-time current ripple index of the Digital Power Port’s exclusive supporting box-type transformer equipment = (0.332×((82.731×382.657) / (0.947×50.231))×(1+(10.481 / 382.657)))×(1+0.176×tanh(7.236 / 82.731))≈230.14.

[0044] In this implementation scheme, by collecting the operating data of the equipment under different load levels over a long period of time and taking multiple samples of the current fluctuation range under normal and extreme working conditions, the system can accurately identify the risk characteristics of current and voltage in instantaneous fluctuations, and closely associate them with the equipment failure rate. By using regression or segmented statistical analysis methods, these risk characteristics can be refined into quantifiable adjustment coefficients and stored in the database, and dynamic compensation can be performed for load and current fluctuations during actual operation. This not only can timely detect potential fault signs when the load changes or the current suddenly changes, but also can automatically adjust the calculation of the real-time current pulsation index according to the load range and fluctuation amplitude of the equipment, so that the monitoring results are more in line with the actual situation on site, and the probability of misjudgment and missed judgment of faults is significantly reduced. At the same time, with the support of deep mining of big data and machine learning algorithms, the whole process can continuously self-optimize, which improves the precision and safety of the operation and management of the exclusive supporting box transformer equipment of the digital power port, and also lays a solid foundation for subsequent intelligent operation and maintenance.

[0045] Specifically, the specific steps for obtaining the power factor value within a set time period of the exclusive supporting box-type transformer of the Digital Power Port are as follows: obtain the active power value, the effective value of the operating voltage, and the effective value of the operating current at several time points within the set time period of the exclusive supporting box-type transformer of the Digital Power Port; conduct a comprehensive analysis (i.e., multiplication processing) on ​​the effective value of the operating voltage and the effective value of the operating current at several time points within the set time period of the exclusive supporting box-type transformer of the Digital Power Port to obtain the apparent power value at several time points within the set time period of the exclusive supporting box-type transformer of the Digital Power Port; conduct a comprehensive analysis on the active power values ​​at several time points within the set time period of the exclusive supporting box-type transformer of the Digital Power Port in combination with the apparent power values ​​at the corresponding time points (i.e., first perform a ratio analysis on the active power value and the apparent power value at each time point, and perform a mean analysis on the ratio analysis results at each time point) to obtain the power factor value within the set time period of the exclusive supporting box-type transformer of the Digital Power Port.

[0046] In this implementation scheme, the active power value, operating voltage effective value and operating current effective value of the digital power port's exclusive supporting box-type transformer equipment at multiple time points within a set time period are collected in real time, and the apparent power value at each moment is calculated by multiplication, and then the ratio of active power to apparent power is analyzed and averaged. This method can accurately reflect the power factor of the equipment under actual working conditions. The advantage of this method is that it fully considers the impact of load fluctuations on power quality under instantaneous conditions, and smoothes occasional abnormal data through average processing, making the measurement results more representative and stable, providing accurate and reliable basic data for the comprehensive analysis of the equipment's operating status. Using this method, the risk of misjudgment caused by single-point data collection can be effectively reduced, the load management strategy can be optimized, and abnormal power utilization can be discovered and prevented in a timely manner, thereby improving equipment safety and operating efficiency, and further reducing maintenance costs and extending equipment life.

[0047] Specifically, the equipment degradation data includes the equipment operating temperature values ​​at several time points within a set time period (for example, ten seconds) and the ambient humidity values ​​within a set area. The specific steps for obtaining the real-time dynamic degradation index of the digital power port's exclusive supporting box transformer equipment are as follows: read the equipment operating temperature values ​​at several time points within the set time period of the digital power port's exclusive supporting box transformer equipment, and perform comprehensive analysis respectively to obtain the average equipment operating temperature and the maximum equipment operating temperature within the set time period of the digital power port's exclusive supporting box transformer equipment; obtain the equipment aging index at several time points within the set time period of the digital power port's exclusive supporting box transformer equipment, and perform comprehensive analysis based on the average equipment operating temperature and the maximum equipment operating temperature within the set time period of the digital power port's exclusive supporting box transformer equipment, the equipment operating temperature values ​​at several time points within the set time period, and the ambient humidity values ​​within the set area to obtain the real-time dynamic degradation index of the digital power port's exclusive supporting box transformer equipment.

[0048] Among them, the equipment aging index is obtained through weighted analysis based on the equipment’s cumulative operating time, historical load, maintenance times, and failure times.

[0049] The operating temperature of the equipment can be measured and obtained through a temperature sensor.

[0050] The ambient humidity value can be measured and obtained by a humidity sensor.

[0051] The specific formula for calculating the real-time dynamic decay index of the Digital Power Port’s exclusive supporting box-type transformer equipment is as follows: ;in, It is the real-time dynamic decay index of the box-type transformer equipment exclusively supporting the Digital Power Port. This is the first time in the set time period of the Digital Power Port's exclusive supporting box-type transformer equipment. The equipment aging index at a time point, is the aging adjustment coefficient stored in the database, This is the first time in the set time period of the Digital Power Port's exclusive supporting box-type transformer equipment. The ambient humidity value in the set area at a time point, is the humidity adjustment coefficient stored in the database, is a natural constant, and in this embodiment, its value is 2.71. This is the first time in the set time period of the Digital Power Port's exclusive supporting box-type transformer equipment. The device operating temperature value at a time point, It is the average operating temperature of the equipment within the set time period of the exclusive supporting box-type transformer equipment of Digital Power Port. It is the maximum operating temperature of the equipment within the set time period of the exclusive supporting box-type transformer equipment of Digital Power Port. is the temperature adjustment coefficient stored in the database, =1, 2, 3, ..., , The number of time points within the set time period.

[0052] It should be explained that the aging adjustment factor stored in the database , Humidity adjustment factor , Temperature adjustment coefficient The specific acquisition steps are as follows: conduct long-term collection and hierarchical statistics of the operating data of the equipment in different aging stages and different humidity and temperature environments, extract the characteristic changes of failure rate and performance degradation in each stage and each environmental parameter range, and then combine the manufacturer's test results with on-site operation and maintenance experience to find out the nonlinear influence weights of factors such as aging, humidity, and temperature on equipment degradation through regression analysis or piecewise fitting. Finally, these weights are normalized and solidified and stored in the database, so that the corresponding adjustment coefficient can be automatically selected according to the current aging degree, humidity, and temperature values ​​during real-time calculation.

[0053] In this implementation plan, the operating data of the equipment at different aging stages and in different environments (temperature, humidity) are collected and hierarchically counted over a long period of time, combined with the manufacturer's test results and on-site operation and maintenance experience, and regression analysis or segmented fitting is used to quantify the nonlinear influence weights of equipment aging, humidity and temperature on equipment performance degradation, and then normalized and solidified into aging, humidity and temperature adjustment coefficients in the database. The advantage of this method is that it can accurately reflect the actual degradation of the equipment under various working conditions, thereby making the real-time dynamic degradation index more representative and sensitive, providing an accurate assessment basis for the health status of the equipment, helping to warn of potential failure risks in advance, optimize maintenance strategies, reduce operation and maintenance costs, extend the service life of equipment, and ultimately improve the safety and stability of the overall power grid.

[0054] Specifically, the specific steps for obtaining the equipment aging index at several time points within the set time period of the digital port's exclusive supporting box-type transformer equipment are as follows: obtain the equipment's cumulative operating time, historical load, maintenance times, and failure times at several time points within the set time period of the digital port's exclusive supporting box-type transformer equipment, and perform standardization processing; conduct a comprehensive analysis (i.e., weighted analysis) on the equipment's cumulative operating time, historical load, maintenance times, and failure times at several time points within the set time period of the digital port's exclusive supporting box-type transformer equipment after standardization, and obtain the equipment aging index at several time points within the set time period of the digital port's exclusive supporting box-type transformer equipment.

[0055] In this implementation plan, the accumulated operating time, historical load, maintenance times and failure times of the digital power port's exclusive supporting box-type transformer equipment within a set time period are collected, and these data are standardized, and then the equipment aging index is obtained through weighted comprehensive analysis. The advantage of this process is that it can comprehensively and multi-dimensionally reflect the actual aging status and health level of the equipment. The standardized processing ensures the comparability between data of different dimensions, and the weighted analysis can assign different weights according to the actual degree of influence of each indicator on equipment degradation, so that the obtained aging index is more objective and accurate. This method not only captures the accumulated losses and risk factors in the long-term operation of the equipment, but also reveals the relative contribution of various parameters in the aging process of the equipment, and provides quantitative indicators for equipment health assessment, thereby providing a scientific basis for early warning of potential failures and optimizing maintenance strategies. Through in-depth mining of historical data and comprehensive consideration of multiple factors, this solution can reduce the risk of misjudgment due to fluctuations in a single parameter, improve the accuracy and timeliness of fault prediction, thereby reducing operation and maintenance costs, extending the service life of equipment, and effectively ensuring the overall safe and stable operation of the power grid.

[0056] Specifically, Figure 3 As shown, the vibration and noise data include the equipment operation vibration amplitude and equipment operation noise value at several time points within a set time period (for example, ten seconds). The specific steps for obtaining the real-time vibration balance index of the exclusive supporting box transformer of the Digital Power Port are as follows: read the equipment operation vibration amplitude and equipment operation noise value at several time points within the set time period of the exclusive supporting box transformer of the Digital Power Port, and perform mean analysis on them respectively to obtain the mean value of the equipment operation vibration amplitude and the mean value of the equipment operation noise within the set time period of the exclusive supporting box transformer of the Digital Power Port; obtain the maximum parameter value of the equipment operation vibration amplitude and the maximum parameter value of the equipment operation noise of the exclusive supporting box transformer of the Digital Power Port, and perform comprehensive analysis on the mean value of the equipment operation vibration amplitude and the mean value of the equipment operation noise within the set time period of the exclusive supporting box transformer of the Digital Power Port, to obtain the real-time vibration balance index of the exclusive supporting box transformer of the Digital Power Port.

[0057] Among them, the average value of the equipment operation vibration amplitude can be measured and obtained by a vibration sensor (such as an accelerometer).

[0058] The maximum parameter value of the equipment operating vibration amplitude refers to the maximum allowable vibration amplitude value of the equipment under normal or ideal working conditions, which can be obtained from the technical manual provided by the manufacturer.

[0059] The equipment operating noise value can be measured and obtained using a noise sensor or a decibel meter.

[0060] The maximum rated value of equipment operating noise refers to the maximum allowable operating noise value of the equipment under normal or ideal operating conditions, which can be obtained from the technical manual provided by the manufacturer.

[0061] The specific formula for calculating the real-time vibration balance index of the digital power port’s exclusive supporting box-type transformer equipment is as follows: ;in, It is the real-time vibration balance index of the box-type transformer equipment exclusively supporting the Digital Power Port. It is the average value of the equipment operation vibration amplitude within the set time period of the exclusive supporting box-type transformer equipment of Digital Power Port. This is the maximum parameter value of the equipment operation vibration amplitude of the exclusive supporting box-type transformer equipment of the Digital Power Port. is the amplitude influence coefficient stored in the database, is the amplitude adjustment coefficient stored in the database, It is the average value of the equipment operation noise within the set time period of the exclusive supporting box-type transformer equipment of Digital Power Port. This is the maximum parameter value of the equipment operating noise of the exclusive supporting box-type transformer equipment of the Digital Power Port. is the noise adjustment coefficient stored in the database.

[0062] It should be explained that the amplitude influence coefficient stored in the database The specific steps for obtaining the value of are as follows: conduct long-term monitoring of the equipment at different vibration amplitude levels, record the equipment failure rate and key component loss in each amplitude range (such as normal, slightly abnormal, and severely abnormal), compare the failure characteristics of different ranges and combine with the manufacturer's test data, and use regression or piecewise function fitting methods to quantify the corresponding relationship between amplitude and failure risk. Finally, the quantified results are solidified into the database after normalization or interpolation.

[0063] Amplitude adjustment coefficients stored in the database , Noise Adjustment Factor The specific steps for obtaining are: based on the historical monitoring data of on-site vibration and noise, the equipment abnormality rate or key component damage rate corresponding to each vibration amplitude and noise level is counted respectively, and a comprehensive analysis is conducted in combination with the operation and maintenance records of the equipment in different operation stages, and then the influence weights of vibration and noise in different intervals are normalized or curve-fitted to form adjustment coefficients, and finally these coefficients are stored in the database.

[0064] In this implementation scheme, by statistically analyzing the vibration amplitude and noise data collected by the digital power port's exclusive supporting box-type transformer equipment within a set period, the average vibration amplitude and noise of the equipment are first calculated, and then combined with the maximum allowable operating vibration amplitude and the maximum noise parameter value of the equipment under ideal working conditions, regression analysis or piecewise function fitting method is used to quantify the characteristics of equipment failure rate and key component loss under different vibration amplitudes and noise levels, and then the amplitude influence coefficient and amplitude adjustment coefficient and noise adjustment coefficient are obtained. After normalization or interpolation processing, they are solidified and stored in the database. The advantage of this method is that it can not only objectively reflect the mechanical health status of the equipment under different working conditions, but also accurately quantify the actual impact of vibration and noise on the safe operation of the equipment, and realize early warning of abnormal equipment status. Using these scientifically calibrated adjustment coefficients, the system can dynamically correct the deviation between the on-site measurement data and the standard value during real-time monitoring, thereby improving the accuracy and sensitivity of fault detection, reducing the risk of misjudgment or missed judgment due to abnormal vibration and noise, and providing a reliable basis for preventive maintenance, extending the life of equipment, and improving the safety and economic benefits of the overall power grid.

[0065] In summary, this application has at least the following effects: The data acquisition unit obtains multi-dimensional operation data of the box-type transformer equipment in real time, including power fluctuation, equipment degradation and vibration and noise data, and pre-processes and averages key parameters such as current, voltage, temperature, humidity, vibration amplitude and noise within the set period. The system first reads the operating current and voltage values ​​at each moment, calculates the operating average and instantaneous fluctuation value, and then combines the rated power and power factor of the equipment to calculate the real-time current pulsation index through the load adjustment coefficient stored in the database. At the same time, for the equipment degradation data, the system collects the equipment temperature and ambient humidity, and combines the equipment aging index after standardization, and relies on the temperature average, maximum temperature value and humidity adjustment coefficient to derive the dynamic degradation index. For the vibration and noise data, the vibration amplitude and noise average are collected and analyzed, combined with the maximum parameter value of the equipment operation and the preset amplitude and noise adjustment parameters to calculate the vibration balance index. After comprehensive analysis of various indicators, the real-time comprehensive operation index of the equipment is formed, which realizes comprehensive and precise monitoring of the operation status of the box-type transformer equipment, effectively captures small abnormal changes, and provides an accurate and data-supported basis for subsequent early warning and fault diagnosis.

[0066] On the basis of realizing accurate data collection and calculation of various indicators, the three major indicators of current pulsation, dynamic decay and vibration balance are weighted and fused through the comprehensive analysis module to obtain a real-time comprehensive operation index reflecting the overall operation status of the equipment. This comprehensive index can not only reflect the changes of a single parameter, but also comprehensively consider multiple dimensions such as equipment power fluctuations, aging trends and vibration noise. The current pulsation influence coefficient, aging adjustment coefficient, humidity and temperature adjustment coefficient and amplitude, noise adjustment parameters stored in the database are quantitatively calculated to make data processing more scientific and accurate. When the equipment operation status is abnormal and the real-time comprehensive operation index exceeds the preset protection threshold, the system's operation protection unit will immediately automatically start protection measures, such as adjusting the load, circuit breaker protection or switching to backup power supply, so as to quickly suppress the development of faults and prevent equipment damage or accident spread. This intelligent early warning mechanism based on multi-dimensional data fusion effectively improves the response speed and accuracy, ensures that the system can intervene in time under various complex working conditions, realizes automatic control and protection, and ensures the overall power supply safety and stable system operation.

[0067] It not only realizes real-time monitoring and intelligent early warning of the equipment's operating status, but also realizes accurate preventive maintenance and cost optimization through standardized processing of the equipment's historical data. The system collects the equipment's cumulative operating time, historical load, maintenance times and failure times within a set period, and calculates the equipment aging index after standardized processing of these data. Combined with the mean and maximum values ​​of the equipment's operating temperature and the ambient humidity data, the real-time dynamic decay index is obtained through comprehensive calculation of the aging adjustment coefficient, humidity adjustment coefficient and temperature adjustment coefficient. In addition, through the precise calculation of the instantaneous current and voltage fluctuation values ​​in the electric energy fluctuation data, a current pulsation index that reflects the instantaneous operating status of the equipment is formed. Data-driven comprehensive diagnosis enables operation and maintenance personnel to accurately grasp the equipment's decay trend and predict potential failure risks in advance, thereby formulating reasonable preventive maintenance plans, reducing sudden failures caused by equipment aging and abnormalities, reducing maintenance and downtime costs, extending equipment service life, and achieving both economic benefits and safety improvements, providing a strong guarantee for the stable and efficient operation of the digital power port system.

[0068] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0069] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. The intelligent control and protection system for box-type transformer equipment exclusively provided by Digital Power Port is characterized by: include: A data acquisition unit, used for real-time acquisition and pre-processing of real-time operation status data of the box-type transformer equipment, wherein the real-time operation status data includes power fluctuation data, equipment degradation data, and vibration noise data; The operation monitoring unit is used to comprehensively analyze the real-time operation status data of the pre-processed box-type transformer equipment, and obtain the real-time current pulsation index, real-time dynamic decay index, and real-time vibration balance index of the box-type transformer equipment respectively, and perform comprehensive analysis to obtain the real-time comprehensive operation index of the box-type transformer equipment. The calculation formula is as follows: ； in, , , , They are the real-time comprehensive operation index of the box-type transformer equipment, the real-time current pulsation index, the real-time dynamic decay index, and the real-time vibration balance index. , , , , They are the current pulsation influence coefficient, dynamic decay influence coefficient, vibration balance influence coefficient, vibration balance influence factor, and combined influence coefficient stored in the database in order; The operation protection unit is used to judge and analyze the real-time comprehensive operation index of the box-type transformer equipment and the preset operation protection threshold. When the real-time comprehensive operation index of the box-type transformer equipment is higher than the preset operation protection threshold, the preset operation protection measures are executed on the box-type transformer equipment.

2. According to the digital power port exclusive supporting box-type transformer equipment intelligent control and protection system according to claim 1, it is characterized in that: The operation monitoring unit comprises: The current pulsation analysis module is used to comprehensively analyze the pre-processed power fluctuation data of the box-type transformer equipment to obtain the real-time current pulsation index of the box-type transformer equipment; The dynamic decay analysis module is used to comprehensively analyze the pre-processed equipment decay data of the box-type transformer equipment to obtain the real-time dynamic decay index of the box-type transformer equipment; The vibration balance analysis module is used to comprehensively analyze the pre-processed vibration and noise data of the box-type transformer equipment to obtain the real-time vibration balance index of the box-type transformer equipment; The comprehensive analysis module is used to conduct a comprehensive analysis on the real-time current pulsation index, real-time dynamic decay index, and real-time vibration balance index of the box-type transformer equipment to obtain the real-time comprehensive operation index of the box-type transformer equipment.

3. According to claim 2, the intelligent control and protection system for box-type transformer equipment exclusively used in digital power ports is characterized in that: The power fluctuation data includes the operating current value and the operating voltage value at several time points within a set time period. The specific steps for obtaining the real-time current pulsation index of the box-type transformer are as follows: Read the operating current value and operating voltage value of the box-type transformer equipment at several time points, and perform mean analysis respectively to obtain the operating current mean value and operating voltage mean value of the box-type transformer equipment within a set time period; The average operating current and the average operating voltage of the box-type transformer equipment within the set time period are combined with the operating current values ​​and the operating voltage values ​​at several time points within the set time period of the box-type transformer equipment for comprehensive analysis to obtain the instantaneous current fluctuation value and the instantaneous voltage fluctuation value within the set time period of the box-type transformer equipment; The rated power value of the box-type transformer equipment and the power factor value within the set time period are obtained, and a comprehensive analysis is performed on the average operating current, average operating voltage, instantaneous current fluctuation value, and instantaneous voltage fluctuation value within the set time period of the box-type transformer equipment to obtain the real-time current pulsation index of the box-type transformer equipment.

4. According to claim 3, the intelligent control and protection system for box-type transformer equipment exclusively used in digital power ports is characterized in that: The specific steps to obtain the power factor value of the box-type transformer within a set time period are as follows: Obtain the active power value, operating voltage effective value, and operating current effective value of the box-type transformer at several time points within a set time period; Comprehensively analyze the effective values ​​of the operating voltage and the effective values ​​of the operating current at several time points within the set time period of the box-type transformer equipment to obtain the apparent power values ​​at several time points within the set time period of the box-type transformer equipment; The active power values ​​at several time points within the set time period of the box-type transformer equipment are combined with the apparent power values ​​at the corresponding time points for comprehensive analysis to obtain the power factor value within the set time period of the box-type transformer equipment.

5. According to claim 3, the intelligent control and protection system for box-type transformer equipment exclusively used in digital power ports is characterized in that: The specific formula for calculating the real-time current ripple index of the box-type transformer is as follows: ； in, , , , , , , They are the real-time current pulsation index of the box-type transformer equipment, rated power value, average operating current within a set time period, average operating voltage, power factor value, instantaneous voltage fluctuation value, and instantaneous current fluctuation value. , They are the load adjustment coefficient and the current fluctuation adjustment coefficient stored in the database respectively.

6. According to claim 2, the intelligent control and protection system for box-type transformer equipment exclusively used in digital power ports is characterized in that: The equipment decay data includes the equipment operating temperature values ​​at several time points within a set time period and the ambient humidity values ​​within a set area. The specific steps for obtaining the real-time dynamic decay index of the box-type transformer equipment are as follows: Read the equipment operating temperature values ​​at several time points within the set time period of the box-type transformer equipment, and perform comprehensive analysis respectively to obtain the equipment operating temperature average value and equipment operating temperature maximum value within the set time period of the box-type transformer equipment; The equipment aging index of the box-type transformer equipment at several time points within the set time period is obtained, and a comprehensive analysis is performed based on the average equipment operating temperature within the set time period, the maximum equipment operating temperature, the equipment operating temperature values ​​at several time points within the set time period, and the ambient humidity value in the set area to obtain the real-time dynamic degradation index of the box-type transformer equipment.

7. According to claim 6, the intelligent control and protection system for digital power port exclusive supporting box-type transformer equipment is characterized in that: The specific steps to obtain the device aging index of the box-type transformer at several time points within the set time period are as follows: Obtain the cumulative running time, historical load, maintenance times, and fault times of the box-type transformer at several time points within the set time period, and perform standardized processing; A comprehensive analysis is performed on the cumulative operating time, historical load, maintenance times, and failure times of the standardized box-type transformer equipment at several time points within the set time period to obtain the equipment aging index at several time points within the set time period of the box-type transformer equipment.

8. According to claim 6, the intelligent control and protection system for box-type transformer equipment exclusively used for digital power port is characterized in that: The specific formula for calculating the real-time dynamic decay index of the box-type transformer equipment is as follows: ； in, It is the real-time dynamic decay index of the box-type transformer equipment. , , The first The equipment aging index, ambient humidity value, and equipment operating temperature value at each time point. is a natural constant, , They are the average operating temperature of the equipment and the maximum operating temperature of the equipment within the set time period of the box-type transformer equipment. , , They are the aging adjustment coefficient, humidity adjustment coefficient, and temperature adjustment coefficient stored in the database. =1, 2, 3, ..., , The number of time points within the set time period.

9. According to claim 2, the intelligent control and protection system for box-type transformer equipment exclusively used for digital power port is characterized in that: The vibration and noise data include the equipment operation vibration amplitude and equipment operation noise value at several time points within a set time period. The specific steps for obtaining the real-time vibration balance index of the box-type transformer equipment are as follows: Read the equipment operation vibration amplitude and equipment operation noise value at several time points within the set time period of the box-type transformer equipment, and perform mean analysis respectively to obtain the equipment operation vibration amplitude mean value and equipment operation noise mean value within the set time period of the box-type transformer equipment; The maximum parameter value of the equipment operation vibration amplitude and the maximum parameter value of the equipment operation noise of the box-type transformer equipment are obtained, and a comprehensive analysis is performed based on the average value of the equipment operation vibration amplitude and the average value of the equipment operation noise within the set time period of the box-type transformer equipment to obtain the real-time vibration balance index of the box-type transformer equipment.

10. The intelligent control and protection system for box-type transformer equipment exclusively used for digital power port according to claim 9 is characterized in that: The specific formula for calculating the real-time vibration balance index of the box-type transformer equipment is as follows: ； in, It is the real-time vibration balance index of the box-type transformer equipment. , They are the average value of the equipment operating vibration amplitude and the average value of the equipment operating noise within the set time period of the box-type transformer equipment. , They are the maximum parameter values ​​of the equipment operating vibration amplitude and the maximum parameter value of the equipment operating noise of the box-type transformer equipment. , , They are the amplitude influence coefficient, amplitude adjustment coefficient, and noise adjustment coefficient stored in the database respectively.

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