Automatic commutation adjustment method and system based on three-phase load imbalance

Abstract

The invention discloses an automatic commutation adjustment method and system based on three-phase load imbalance, and relates to the technical field of electric data analysis, and the method comprises the steps: obtaining the balance degree data of a three-phase load, carrying out the comparative analysis of the balance degree data of the three-phase load based on a data analysis terminal, and determining the to-be-verified risk data of the balance degree of the three-phase load. According to the method, the historical operation data of the three-phase load is subjected to data calculation and analysis processing to determine the balance degree risk data of the three-phase load, then the balance degree risk data of the three-phase load is subjected to feature analysis to determine the risk data of the same feature and the risk data of the single feature, and finally, the risk data of the three-phase load is determined. The three-phase system is monitored by training the intelligent monitoring model through the risk data with the same characteristic and the risk data with the single characteristic, and when the three-phase system is unbalanced, the three-phase system is subjected to commutation processing in time, so that the three-phase system is ensured to be always in a balanced state, and the problem of local power failure is avoided.

Description

Technical Field

[0001] This invention relates to the field of electrical data analysis technology, specifically to an automatic commutation adjustment method and system based on three-phase load imbalance. Background Technology

[0002] Three-phase load, also known as a three-phase load, refers to a load that uses three phase lines to provide power to electrical equipment so that it can perform work. Three-phase loads can be further divided into three-phase balanced loads and three-phase unbalanced loads.

[0003] If the operating data of each phase deviates too much during the use of a three-phase system, it will lead to an imbalance in the three-phase system. The temperature of one phase may rise sharply, and it may even cause the three-phase system to catch fire, resulting in a local power outage. Summary of the Invention

[0004] To address the aforementioned technical problems, an automatic phase-switching adjustment method and system based on three-phase load imbalance is provided. This technical solution solves the problem mentioned in the background art that when the operating data of each phase of a three-phase system deviates too much during use, it will lead to an imbalance in the three-phase system. The temperature of one phase may rise sharply, and it may even cause the three-phase system to catch fire, resulting in a local power outage.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] An automatic commutation regulation method based on three-phase load imbalance includes:

[0007] Acquire the balance data of the three-phase load, and based on the data analysis terminal, perform comparative analysis on the balance data of the three-phase load to determine the risk data of the balance of the three-phase load to be verified.

[0008] Based on the data analysis terminal, the unverified risk data of the three-phase load balance is processed to determine the risk data of the three-phase load balance.

[0009] Based on the data analysis terminal, parameter analysis and processing are performed on the balance risk data of three-phase loads to determine the automatic phase commutation scheme for three-phase loads.

[0010] Preferably, the steps of obtaining the balance data of the three-phase load, and comparing and analyzing the balance data of the three-phase load based on the data analysis terminal to determine the risk data of the balance of the three-phase load to be verified, specifically include the following steps:

[0011] Based on the data analysis terminal, data extraction and processing are performed on the database system to obtain historical operating data of the three-phase load;

[0012] Based on the data analysis terminal, the historical operating data of the three-phase load is calculated, analyzed and processed to determine the balance data of the three-phase load;

[0013] Based on the data analysis terminal, the balance data of the three-phase load is compared and processed to determine the risk data of the balance of the three-phase load to be verified.

[0014] Preferably, the step of calculating and analyzing historical operating data of the three-phase load based on the data analysis terminal to determine the balance data of the three-phase load specifically includes the following steps:

[0015] Based on the data analysis terminal, the historical operating data of three-phase loads are classified and processed according to time as a feature to obtain the historical operating data of three-phase loads at different times;

[0016] Based on the data analysis terminal, the historical operating data of the three-phase load at different times are extracted and processed to obtain the three-phase current at different times;

[0017] Based on the data analysis terminal, the three-phase current at different times is calculated and processed to determine the average current at different times;

[0018] Based on the data analysis terminal, the three-phase current at different times is read and processed to determine the maximum current and minimum current at different times.

[0019] Based on the data analysis terminal, the average current, maximum current and minimum current at different times are calculated and processed to determine the balance data of the three-phase load.

[0020] Preferably, the step of performing data comparison processing on the balance data of the three-phase load based on the data analysis terminal to determine the risk data to be verified for the balance of the three-phase load specifically includes the following steps:

[0021] Based on the data analysis terminal, the database system is used to read and process data to obtain the critical value and upper limit value of the balance of the three-phase load.

[0022] Based on the data analysis terminal, the balance data of three-phase load, the critical value of balance of three-phase load, and the upper limit value of balance of three-phase load are compared and analyzed.

[0023] If there is data in the three-phase load balance data that is greater than or equal to the upper limit of the three-phase load balance but less than the critical value of the three-phase load balance, then this data is set as the three-phase load balance risk data to be verified.

[0024] Preferably, the step of verifying the balance risk data of the three-phase load based on the data analysis terminal to determine the balance risk data of the three-phase load specifically includes the following steps:

[0025] Based on the data analysis terminal, the data on the unbalanced risk of the three-phase load is read and processed to determine the duration of the unbalanced risk data.

[0026] Based on the data analysis terminal, the duration of the risk data to be verified is compared and judged with the set duration threshold.

[0027] If the duration of the risk data to be verified is less than or equal to the set duration threshold, the risk data to be verified does not have the risk of three-phase imbalance.

[0028] If the duration of the risk data to be verified exceeds the set duration threshold, the risk data to be verified has a three-phase imbalance risk, and the data is set as the balance risk data of the three-phase load.

[0029] Preferably, the step of performing parameter analysis and processing on the balance risk data of the three-phase load based on the data analysis terminal to determine the automatic commutation scheme for the three-phase load specifically includes the following steps:

[0030] Based on the data analysis terminal, similarity analysis is performed on the balance risk data of three-phase loads to identify risk data with the same characteristics and risk data with a single characteristic.

[0031] Based on the data analysis terminal, risk data with the same characteristics and risk data with a single characteristic are calculated, analyzed and processed to determine the automatic phase commutation scheme for three-phase loads.

[0032] Preferably, the step of performing similarity analysis on the balance risk data of three-phase loads based on the data analysis terminal to determine risk data with the same characteristics and risk data with a single characteristic specifically includes the following steps:

[0033] Based on the data analysis terminal, the balance risk data of the three-phase load is read and processed to determine the time period when the risk data occurs;

[0034] Based on the data analysis terminal, the intersection of the time periods in which risk data appears is processed to identify risk data in the same time period and risk data in different time periods.

[0035] Based on the data analysis terminal, the output terminal of the three-phase load is read and processed according to the risk data of the same time period and the risk data of different time periods to determine the operating data of the output terminal in the same time period and the operating data of the output terminal in different time periods.

[0036] Based on the data analysis terminal, the operating data of the output terminal in the same time period and the operating data of the output terminal in different time periods are read and processed to obtain the operating characteristics of the output terminal in the same time period and the operating characteristics of the output terminal in different time periods.

[0037] Based on the data analysis terminal, the operational characteristics of the output terminals during the same time period and the operational characteristics of the output terminals during different time periods are compared and analyzed.

[0038] If the operating characteristics of the output terminals in the same time period are different, and the operating characteristics of the output terminals in the same time period are different from the operating characteristics of the output terminals in different time periods, the risk data corresponding to the operating characteristics of the output terminals in the same time period and the operating characteristics of the output terminals in different time periods are set as risk data with a single feature.

[0039] If the operating characteristics of the output terminals in the same time period are the same, or if the operating characteristics of the output terminals in the same time period are the same as those of the output terminals in different time periods, then the risk data with the same operating characteristics will be set as risk data with the same characteristics.

[0040] Preferably, the step of calculating and analyzing risk data with the same characteristics and risk data with a single characteristic based on the data analysis terminal to determine the automatic commutation scheme for three-phase loads specifically includes the following steps:

[0041] Based on the data analysis terminal, the intelligent monitoring model is iteratively trained and validated according to risk data with the same characteristics and risk data with a single characteristic, and the training is completed after convergence.

[0042] Based on the data analysis terminal, the automatic commutation time of the three-phase load is determined by calculating and processing risk data with the same characteristics and risk data with a single characteristic.

[0043] Based on the data analysis terminal, the intelligent monitoring model monitors the three-phase load. When the three-phase load shows risk characteristics, the data analysis terminal automatically performs phase switching on the three-phase load according to the risk characteristics and the automatic phase switching time of the three-phase load.

[0044] Preferably, the step of calculating and processing risk data with the same characteristics and risk data with a single characteristic based on the data analysis terminal to determine the automatic commutation time of the three-phase load specifically includes the following steps:

[0045] Based on the data analysis terminal, data reading and processing are performed on risk data with the same characteristics and risk data with a single characteristic to obtain the maximum value, minimum value and duration of the risk data.

[0046] Based on the data analysis terminal, the maximum value, minimum value and duration of risk data are calculated and processed to determine the average growth rate of risk data.

[0047] Based on the data analysis terminal, the difference between the critical value and the upper limit value of the balance of the three-phase load is calculated to obtain the balance range of the three-phase load.

[0048] Based on the data analysis terminal, the average growth rate of risk data and the balance range of three-phase load are calculated and processed to determine the duration of risk data changes;

[0049] Based on the data analysis terminal, the database system is used to read and process data to obtain the time required for three-phase load commutation;

[0050] Based on the data analysis terminal, the difference between the duration of risk data changes and the time required for three-phase load commutation is calculated to determine the automatic commutation time of the three-phase load.

[0051] Furthermore, an automatic commutation adjustment system based on three-phase load imbalance is proposed to realize the above-mentioned automatic commutation adjustment method based on three-phase load imbalance, including:

[0052] The data analysis terminal is used to control various modules to classify, compare, and calculate the historical operating data of the three-phase load, and to determine the automatic phase switching scheme of the three-phase load. The data analysis terminal is also used to control the data transmission and information interaction between various modules.

[0053] A database system is used to store historical operating data of three-phase loads and the time required for three-phase load commutation;

[0054] A data calculation module, which is used to calculate and determine the balance data of the three-phase load;

[0055] The first comparative analysis module is used to perform data comparison processing on the balance data of the three-phase load to determine the risk data of the balance of the three-phase load to be verified.

[0056] The feature analysis module is used to perform similarity analysis on the balance risk data of three-phase loads to identify risk data with the same characteristics and risk data with a single characteristic.

[0057] The scheme design module is used to perform data analysis and processing on risk data with the same characteristics and risk data with a single characteristic to determine the automatic phase commutation scheme for three-phase loads.

[0058] Compared with the prior art, the present invention provides an automatic commutation adjustment method and system based on three-phase load imbalance, which has the following beneficial effects:

[0059] This invention analyzes and processes historical operating data of three-phase loads to determine the balance risk data of the three-phase loads. Then, it performs feature analysis on the balance risk data of the three-phase loads to identify risk data with the same characteristics and risk data with a single characteristic. Finally, it trains an intelligent monitoring model to monitor the three-phase system using the risk data with the same characteristics and the risk data with a single characteristic. When an imbalance occurs in the three-phase system, it promptly performs phase commutation to ensure that the three-phase system operates in a balanced state and avoids the problem of partial power outages. Attached Figure Description

[0060] Figure 1 This is a flowchart illustrating steps S100-S300 in an automatic phase commutation adjustment method based on three-phase load imbalance proposed in this invention.

[0061] Figure 2 This is a structural block diagram of an automatic commutation adjustment system based on three-phase load imbalance proposed in this invention. Detailed Implementation

[0062] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0063] Reference Figure 1 As shown, an automatic commutation adjustment method based on three-phase load imbalance includes:

[0064] S100. Obtain the balance data of the three-phase load. Based on the data analysis terminal, perform comparative analysis on the balance data of the three-phase load to determine the risk data of the balance of the three-phase load to be verified.

[0065] S200. Based on the data analysis terminal, the balance risk data of the three-phase load to be verified is processed to determine the balance risk data of the three-phase load.

[0066] S300: Based on the data analysis terminal, perform parameter analysis and processing on the balance risk data of the three-phase load to determine the automatic phase commutation scheme of the three-phase load.

[0067] Those skilled in the art will understand that the current output by a power plant is three-phase current. To reduce the conversion of three-phase current, three phase lines are used to transmit the current. However, when the current difference transmitted by the three phase lines is too large, it will disrupt the balance between the three phase lines. If the current of one phase line is too large and the current of another phase line is too small, the temperature of the phase line with the excessive current will rise. If the phase is not switched in time, the phase line will remain at a high temperature, which may lead to a fire. When a fire occurs, the three-phase system cannot be used normally, resulting in a local power outage. Therefore, by monitoring the three-phase system in real time to avoid imbalance in the three-phase system, it is possible to ensure that the three-phase system will not catch fire and thus prevent local power outages.

[0068] Example 1

[0069] Step S100: Obtain the balance data of the three-phase load. Based on the data analysis terminal, perform comparative analysis on the balance data of the three-phase load to determine the risk data of the balance of the three-phase load to be verified. This specifically includes the following steps:

[0070] S101. Based on the data analysis terminal, perform data extraction and processing on the database system to obtain historical operating data of the three-phase load;

[0071] The data analysis terminal sends data transmission instructions to the database system via a communication protocol (TCP / IP protocol). When the database system receives the data transmission instructions sent by the data analysis terminal, it transmits the historical operating data of the three-phase load to the data analysis terminal.

[0072] S102. Based on the data analysis terminal, perform calculation and analysis on the historical operating data of the three-phase load to determine the balance data of the three-phase load.

[0073] S103. Based on the data analysis terminal, perform data comparison processing on the balance data of the three-phase load to determine the risk data of the balance of the three-phase load to be verified.

[0074] It is understandable that a three-phase system generates a large amount of data during operation, but some of this data is not needed for analysis. Analyzing all of it would increase the computational load and prolong the analysis time.

[0075] Specifically, step S102, which involves calculating and analyzing historical operating data of the three-phase load based on a data analysis terminal to determine the balance data of the three-phase load, includes the following steps:

[0076] S1021. Based on the data analysis terminal, the historical operating data of the three-phase load is classified and processed according to time as a feature to obtain the historical operating data of the three-phase load at different times;

[0077] S1022. Based on the data analysis terminal, extract and process the historical operating data of the three-phase load at different times to obtain the three-phase current at different times;

[0078] S1023. Based on the data analysis terminal, the three-phase current at different times is calculated and processed to determine the average current at different times;

[0079] The three-phase current at different times here refers to the current of three different phase lines in the same time period, while the average current at different times is the average value of the current of the three phase lines.

[0080] S1024. Based on the data analysis terminal, the three-phase current at different times is read and processed to determine the maximum current and minimum current at different times.

[0081] S1025. Based on the data analysis terminal, the average current, maximum current and minimum current at different times are calculated and processed to determine the balance data of the three-phase load.

[0082] It is understandable that the balance data of a three-phase system during normal operation should not exceed 2%. When the balance data of a three-phase system exceeds 2%, the three-phase system will be unbalanced. When the three-phase system is unbalanced, the temperature of the phase line with excessive current will rise. If the three-phase system is in an unbalanced state for a long time, a fire will occur in the three-phase system, which will lead to a power outage in a local area.

[0083] Specifically, step S103, based on the data analysis terminal, involves comparing and processing the balance data of the three-phase load to determine the risk data to be verified regarding the balance of the three-phase load. This includes the following steps:

[0084] S1031. Based on the data analysis terminal, perform data reading and processing on the database system to obtain the critical value of the balance of the three-phase load and the upper limit value of the balance of the three-phase load.

[0085] S1032. Based on the data analysis terminal, compare and analyze the balance data of the three-phase load, the critical value of the balance of the three-phase load, and the upper limit value of the balance of the three-phase load.

[0086] S1033. If there is data in the three-phase load balance data that is greater than or equal to the upper limit of the three-phase load balance and less than the critical value of the three-phase load balance, set the data as the three-phase load balance risk data to be verified.

[0087] It is understandable that the upper limit of the balance of a three-phase load refers to the current value of a three-phase system under normal conditions, while the critical value of the balance of a three-phase load refers to a situation where the three-phase system has become unbalanced. Data in between these two values ​​are considered risk data to be verified, because a three-phase system is allowed to have three-phase imbalance, as long as the imbalance is resolved within a certain period of time.

[0088] Example 2

[0089] Step S200: Based on the data analysis terminal, verify the risk data of the three-phase load balance to be verified, and determine the risk data of the three-phase load balance. The specific steps include the following:

[0090] S201. Based on the data analysis terminal, the balance risk data of the three-phase load to be verified is read and processed to determine the duration of the risk data to be verified.

[0091] S202. Based on the data analysis terminal, compare and judge the duration of the risk data to be verified with the set duration threshold.

[0092] S203. If the duration of the risk data to be verified is less than or equal to the set duration threshold, the risk data to be verified does not have a three-phase imbalance risk.

[0093] S204. If the duration of the risk data to be verified is greater than the set duration threshold, the risk data to be verified has a three-phase imbalance risk, and the data is set as the balance risk data of the three-phase load.

[0094] It is understandable that the risk data for verifying the balance of three-phase loads are not all risk data. Some data shows that the three-phase system has already experienced an imbalance, but the data only appears for 1 ms, and then the three-phase system returns to balance. Short-term imbalance of the three-phase system is permissible because it is impossible to guarantee that the three-phase system will maintain a balanced state at all times. It is sufficient to maintain a dynamic balance.

[0095] Example 3

[0096] Step S300: Based on the data analysis terminal, perform parameter analysis and processing on the balance risk data of the three-phase load to determine the automatic commutation scheme for the three-phase load. This specifically includes the following steps:

[0097] S301. Based on the data analysis terminal, perform similarity analysis on the balance risk data of three-phase loads to identify risk data with the same characteristics and risk data with a single characteristic.

[0098] S302. Based on the data analysis terminal, perform calculation and analysis on risk data with the same characteristics and risk data with a single characteristic to determine the automatic phase commutation scheme for three-phase loads.

[0099] Specifically, step S301, based on the data analysis terminal, performs similarity analysis on the balance risk data of the three-phase load to determine risk data with the same characteristics and risk data with a single characteristic, includes the following steps:

[0100] S3011. Based on the data analysis terminal, the balance risk data of the three-phase load is read and processed to determine the time period of occurrence of the risk data;

[0101] S3012. Based on the data analysis terminal, perform intersection processing on the time periods of occurrence of risk data to determine risk data in the same time period and risk data in different time periods;

[0102] S3013. Based on the data analysis terminal, the output terminal of the three-phase load is read and processed according to the risk data of the same time period and the risk data of different time periods to determine the operating data of the output terminal in the same time period and the operating data of the output terminal in different time periods.

[0103] S3014. Based on the data analysis terminal, perform data reading and processing on the output terminal's operating data during the same time period and the output terminal's operating data during different time periods to obtain the operating characteristics of the output terminal during the same time period and the operating characteristics of the output terminal during different time periods.

[0104] S3015. Based on the data analysis terminal, compare and analyze the operating characteristics of the output terminals during the same time period and the operating characteristics of the output terminals during different time periods.

[0105] S3016. If the operating characteristics of the output terminals in the same time period are different, and the operating characteristics of the output terminals in the same time period are different from the operating characteristics of the output terminals in different time periods, set the risk data corresponding to the operating characteristics of the output terminals in the same time period and the operating characteristics of the output terminals in different time periods as risk data with a single feature.

[0106] S3017. If the operating characteristics of the output terminals in the same time period are the same, or if the operating characteristics of the output terminals in the same time period are the same as the operating characteristics of the output terminals in different time periods, the risk data with the same operating characteristics shall be set as the risk data with the same characteristics.

[0107] It is understandable that some devices connected to the three-phase system at fixed times will cause an imbalance in the three-phase system, while other devices connected to the three-phase system only occasionally will also cause an imbalance. Therefore, by comparing these risk data, it is possible to determine which devices are connected to the three-phase system at fixed times and which devices are connected only occasionally. However, in the future, it is only necessary to determine which type of device is connected based on the characteristics of the connected device, so that the phase switching operation can be completed in a timely manner.

[0108] Specifically, step S302, based on the data analysis terminal, involves calculating and analyzing risk data with the same characteristics and risk data with a single characteristic to determine the automatic commutation scheme for three-phase loads. This includes the following steps:

[0109] S3021. Based on the data analysis terminal, the intelligent monitoring model is iteratively trained and verified according to risk data with the same characteristics and risk data with a single characteristic, and the training is completed after convergence.

[0110] S3022. Based on the data analysis terminal, calculate and process risk data with the same characteristics and risk data with a single characteristic to determine the automatic commutation time of the three-phase load.

[0111] S3023. Based on the data analysis terminal, the intelligent monitoring model is controlled to monitor the three-phase load. When the three-phase load shows risk characteristics, the data analysis terminal automatically performs phase switching processing on the three-phase load according to the risk characteristics and the automatic phase switching time of the three-phase load.

[0112] It is understandable that the commutation of a three-phase system takes a certain amount of time. If the commutation of the three-phase system is too late, the temperature of the three-phase system will rise, and high temperature will affect the service life of the three-phase system. Therefore, in order to avoid the three-phase system being in a high-temperature state, it is necessary to accurately control the commutation time of the three-phase system.

[0113] Specifically, step S3022, based on the data analysis terminal, calculates and processes risk data with the same characteristics and risk data with a single characteristic to determine the automatic commutation time of the three-phase load, including the following steps:

[0114] S30221. Based on the data analysis terminal, perform data reading and processing on risk data with the same characteristics and risk data with a single characteristic respectively, and obtain the maximum value, minimum value and duration of the risk data.

[0115] S30222. Based on the data analysis terminal, calculate and process the maximum value, minimum value and duration of the risk data to determine the average growth rate of the risk data.

[0116] S30223. Based on the data analysis terminal, the difference between the critical value of the balance degree of the three-phase load and the upper limit value of the balance degree of the three-phase load is calculated to obtain the balance degree range of the three-phase load.

[0117] S30224. Based on the data analysis terminal, calculate and process the average growth rate of risk data and the balance range of three-phase load to determine the duration of risk data changes;

[0118] S30225. Based on the data analysis terminal, perform data reading and processing on the database system to obtain the time required for three-phase load commutation.

[0119] S30226. Based on the data analysis terminal, perform difference calculation on the duration of risk data changes and the time required for three-phase load commutation to determine the automatic commutation time of the three-phase load.

[0120] It is understandable that when a three-phase system reaches an unbalanced state, it is a process. As long as the commutation operation is completed during the process, the three-phase system can be prevented from being in a high-temperature state. Therefore, it is necessary to calculate the time it takes for the three-phase system to enter an unbalanced state due to the connection of a certain device, and then determine the start time of the commutation required by the connected device (i.e., the automatic commutation time of the three-phase load) based on the commutation time required by the three-phase load.

[0121] Reference Figure 2 As shown, an automatic commutation control system based on three-phase load imbalance is used to implement the above-described automatic commutation control method based on three-phase load imbalance, including:

[0122] The data analysis terminal is used to control various modules to classify, compare, and calculate the historical operating data of the three-phase load, and to determine the automatic phase switching scheme of the three-phase load. The data analysis terminal is also used to control the data transmission and information interaction between various modules.

[0123] A database system is used to store historical operating data of three-phase loads and the time required for three-phase load commutation;

[0124] A data calculation module, which is used to calculate and determine the balance data of the three-phase load;

[0125] The first comparative analysis module is used to perform data comparison processing on the balance data of the three-phase load to determine the risk data of the balance of the three-phase load to be verified.

[0126] The feature analysis module is used to perform similarity analysis on the balance risk data of three-phase loads to identify risk data with the same characteristics and risk data with a single characteristic.

[0127] The scheme design module is used to perform data analysis and processing on risk data with the same characteristics and risk data with a single characteristic to determine the automatic phase commutation scheme for three-phase loads.

[0128] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for automatic phase change regulation based on three-phase load imbalance, characterized in that, include: Acquire the balance data of the three-phase load, and based on the data analysis terminal, perform comparative analysis on the balance data of the three-phase load to determine the risk data of the balance of the three-phase load to be verified. Based on the data analysis terminal, the unverified risk data of the three-phase load balance is processed to determine the risk data of the three-phase load balance. Based on the data analysis terminal, parameter analysis and processing are performed on the balance risk data of three-phase loads to determine the automatic phase commutation scheme for three-phase loads.

2. A method for automatic phase change regulation based on three-phase load imbalance according to claim 1, characterized in that, The process of acquiring the balance data of the three-phase load, and comparing and analyzing the balance data of the three-phase load based on a data analysis terminal to determine the risk data of the balance of the three-phase load to be verified, specifically includes the following steps: Based on the data analysis terminal, data extraction and processing are performed on the database system to obtain historical operating data of the three-phase load; Based on the data analysis terminal, the historical operating data of the three-phase load is calculated, analyzed and processed to determine the balance data of the three-phase load; Based on the data analysis terminal, the balance data of the three-phase load is compared and processed to determine the risk data of the balance of the three-phase load to be verified.

3. A method for automatic phase change regulation based on three-phase load imbalance according to claim 2, characterized in that, The process of calculating and analyzing historical operating data of three-phase loads based on a data analysis terminal to determine the balance data of the three-phase loads specifically includes the following steps: Based on the data analysis terminal, the historical operating data of three-phase loads are classified and processed according to time as a feature to obtain the historical operating data of three-phase loads at different times; Based on the data analysis terminal, the historical operating data of the three-phase load at different times are extracted and processed to obtain the three-phase current at different times; Based on the data analysis terminal, the three-phase current at different times is calculated and processed to determine the average current at different times; Based on the data analysis terminal, the three-phase current at different times is read and processed to determine the maximum current and minimum current at different times. Based on the data analysis terminal, the average current, maximum current and minimum current at different times are calculated and processed to determine the balance data of the three-phase load.

4. A method for automatic phase change regulation based on three-phase load imbalance according to claim 3, characterized in that, The process of comparing and processing the balance data of the three-phase load based on the data analysis terminal to determine the risk data to be verified regarding the balance of the three-phase load includes the following steps: Based on the data analysis terminal, the database system is used to read and process data to obtain the critical value and upper limit value of the balance of the three-phase load. Based on the data analysis terminal, the balance data of three-phase load, the critical value of balance of three-phase load, and the upper limit value of balance of three-phase load are compared and analyzed. If there is data in the three-phase load balance data that is greater than or equal to the upper limit of the three-phase load balance but less than the critical value of the three-phase load balance, then this data is set as the three-phase load balance risk data to be verified.

5. A method of automatic phase change regulation based on three-phase load imbalance according to claim 4, characterized in that, The process of verifying the balance risk data of the three-phase load based on the data analysis terminal, and determining the balance risk data of the three-phase load, specifically includes the following steps: Based on the data analysis terminal, the data on the unbalanced risk of the three-phase load is read and processed to determine the duration of the unbalanced risk data. The data analysis terminal compares and judges the duration of the to-be-verified risk data and the set duration threshold; If the duration of the to-be-verified risk data is less than or equal to the set duration threshold, the to-be-verified risk data does not have a three-phase imbalance risk; If the duration of the to-be-verified risk data is greater than the set duration threshold, the to-be-verified risk data has a three-phase imbalance risk, and the data is set as the balance degree risk data of the three-phase load.

6. A method for automatic phase change regulation based on three-phase load imbalance according to claim 5, characterized in that, The data analysis terminal performs parameter analysis on the balance degree risk data of the three-phase load to determine the automatic commutation scheme of the three-phase load, specifically including the following steps: The data analysis terminal performs similarity analysis on the balance degree risk data of the three-phase load to determine the risk data of the same characteristics and the risk data of a single characteristic. The data analysis terminal performs calculation analysis on the risk data of the same characteristics and the risk data of a single characteristic to determine the automatic commutation scheme of the three-phase load.

7. A method for automatic phase change regulation based on three-phase load imbalance according to claim 1, characterized in that, The data analysis terminal performs similarity analysis on the balance degree risk data of the three-phase load to determine the risk data of the same characteristics and the risk data of a single characteristic, specifically including the following steps: The data analysis terminal performs data reading on the balance degree risk data of the three-phase load to determine the occurrence period of the risk data. The data analysis terminal performs intersection processing on the occurrence period of the risk data to determine the risk data of the same period and the risk data of different periods. The data analysis terminal performs data reading on the output end of the three-phase load according to the risk data of the same period and the risk data of different periods to determine the operation data of the output end of the same period and the operation data of the output end of different periods. The data analysis terminal performs data reading on the operation data of the output end of the same period and the operation data of the output end of different periods to obtain the operation characteristics of the output end of the same period and the operation characteristics of the output end of different periods. The data analysis terminal performs comparative analysis on the operation characteristics of the output end of the same period and the operation characteristics of the output end of different periods. If the operation characteristics of the output end of the same period are different, and the operation characteristics of the output end of the same period and the operation characteristics of the output end of different periods are different, the risk data corresponding to the operation characteristics of the output end of the same period and the operation characteristics of the output end of different periods is set as the risk data of a single characteristic. If the operation characteristics of the output end of the same period are the same, or the operation characteristics of the output end of the same period and the operation characteristics of the output end of different periods are the same, the risk data with the same operation characteristics is set as the risk data of the same characteristics.

8. A method of automatic phase change regulation based on three-phase load imbalance according to claim 7, characterized in that, The data analysis terminal performs calculation analysis on the risk data of the same characteristics and the risk data of a single characteristic to determine the automatic commutation scheme of the three-phase load, specifically including the following steps: The data analysis terminal iteratively trains and verifies the intelligent monitoring model according to the risk data of the same characteristics and the risk data of a single characteristic, and completes the training after convergence. The data analysis terminal is used for calculating and processing the risk data with the same characteristics and the risk data with single characteristics to determine the automatic phase change time of the three-phase load. The data analysis terminal is used for controlling the intelligent monitoring model to monitor the three-phase load, and when the three-phase load has a risk characteristic, the data analysis terminal automatically changes the phase of the three-phase load according to the risk characteristic and the automatic phase change time of the three-phase load.

9. A method of automatic phase change regulation based on three-phase load imbalance according to claim 8, characterized in that, The data analysis terminal is used for calculating and processing the risk data with the same characteristics and the risk data with single characteristics to determine the automatic phase change time of the three-phase load, which includes the following steps: The data analysis terminal is used for respectively reading and processing the risk data with the same characteristics and the risk data with single characteristics to obtain the maximum value, the minimum value and the duration of the risk data. The data analysis terminal is used for calculating and processing the maximum value, the minimum value and the duration of the risk data to determine the average growth rate of the risk data. The data analysis terminal is used for calculating and processing the balance degree critical value and the balance degree upper limit value of the three-phase load to obtain the balance degree range of the three-phase load. The data analysis terminal is used for calculating and processing the average growth rate of the risk data and the balance degree range of the three-phase load to determine the risk data change duration. The data analysis terminal is used for reading and processing the database system to obtain the time required for the three-phase load to change phase. The data analysis terminal is used for calculating and processing the risk data change duration and the time required for the three-phase load to change phase to determine the automatic phase change time of the three-phase load.

10. A three-phase load unbalance based automatic phase change regulation system for implementing a three-phase load unbalance based automatic phase change regulation method as claimed in any one of claims 1 to 9, characterized by, It includes: The data analysis terminal is used for controlling each module to classify, compare and calculate the historical operation data of the three-phase load to determine the automatic phase change scheme of the three-phase load, and is used for controlling data transmission and information interaction between each module. The database system is used for storing the historical operation data of the three-phase load and the time required for the three-phase load to change phase. The data calculation module is used for calculating and determining the balance degree data of the three-phase load. The comparative analysis module is used for comparing and processing the balance degree data of the three-phase load to determine the balance degree risk data to be verified of the three-phase load. The feature analysis module is used for analyzing and processing the similarity of the balance degree risk data of the three-phase load to determine the risk data with the same characteristics and the risk data with single characteristics. The scheme design module is used for analyzing and processing the risk data with the same characteristics and the risk data with single characteristics to determine the automatic phase change scheme of the three-phase load.

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