Ring main unit installation and debugging evaluation method and system based on multi-parameter monitoring

Abstract

The invention discloses a ring main unit installation and debugging evaluation method and system based on multi-parameter monitoring, and relates to the technical field of installation and debugge.When the system operates, various parameters in the operation process of a ring main unit are collected in real time through a sensor, and the electrical, environmental and mechanical operation conditions are obtained; forming an electrical data set, an environment data set and a mechanical data set, preprocessing the data sets, arranging the data sets into a first data set, a second data set and third data, and obtaining the first data set, the second data set and the third data by monitoring the change conditions of various parameters in real time; a ring main unit debugging evaluation index Tspg is compared with a preset qualified threshold value M and a preset qualified threshold value N, a grade evaluation result is obtained, an evaluation report including evaluation values of various parameters, a comprehensive evaluation value and improvement suggestions is generated, the installation and debugging process of the ring main unit is fed back and optimized according to the result and the suggestions in the evaluation report, and the installation and debugging efficiency of the ring main unit is improved. And recording the effect of the optimization measure.

Description

Technical Field

[0001] The present invention relates to the technical field of installation and debugging, and in particular to a method and system for evaluating installation and debugging of a ring main unit based on multi-parameter monitoring. Background Art

[0002] In the power system, the ring main unit, as an important power distribution equipment, plays a key role in power distribution and protection. The design and installation quality of the ring main unit directly affects the stability and reliability of the power system. However, due to the complexity of the power system and the influence of environmental changes, the ring main unit often faces many challenges and problems during the installation and commissioning process. In order to effectively solve these problems and improve the installation quality and commissioning efficiency of the ring main unit, multi-parameter monitoring technology came into being.

[0003] However, traditional methods of installing and debugging ring main units often rely on monitoring of a single parameter and manual experience, resulting in incomplete data acquisition, inaccurate evaluation, and untimely feedback optimization. These deficiencies have led to insufficient comprehensive monitoring and optimization of the installation quality and operating status of ring main units in practical applications. Therefore, the emergence of new systems based on multi-parameter monitoring fills these gaps, which can more comprehensively and accurately evaluate the installation quality of ring main units, and continuously optimize the operating efficiency and safety of ring main units through the system's feedback mechanism. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a method and system for evaluating the installation, commissioning and evaluation of a ring main unit based on multi-parameter monitoring, which solves the problems mentioned in the background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a ring main unit installation and commissioning evaluation system based on multi-parameter monitoring, including a data acquisition module, a data processing module, a parameter monitoring module, an evaluation algorithm module, a report generation module and a feedback module;

[0006] The data acquisition module is used to collect various parameters in the operation process of the ring main unit in real time through sensors, obtain the electrical, environmental and mechanical operating conditions, and form electrical data sets, environmental data sets and mechanical data sets;

[0007] The data processing module is used to pre-process the collected electrical data set, environmental data set and mechanical data set, including data cleaning, filtering and normalization steps, and after removing noise and outliers, organize them into a first data set, a second data set and a third data set;

[0008] The parameter monitoring module is used to monitor the changes of various parameters in real time, including current, voltage, temperature, humidity and vibration, and record the historical data and change trends of the parameters;

[0009] The evaluation algorithm module is used to analyze the processed first data group, the second data group and the third data by optimizing the monitoring algorithm, and obtain after calculation: the ring network cabinet debugging evaluation index Tspg;

[0010] The report generation module is used to compare the ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N to obtain the grade evaluation result, and generate an evaluation report according to the grade evaluation result, including the evaluation value of each parameter, the comprehensive evaluation value and improvement suggestions;

[0011] The feedback module is used to provide feedback and optimize the installation and commissioning process of the ring main unit according to the results and suggestions in the evaluation report, and record the effects of the optimization measures.

[0012] Preferably, the data acquisition module includes an electrical data acquisition unit, an environmental data acquisition unit and a mechanical data acquisition unit;

[0013] The electrical data acquisition unit is used to measure three-phase voltage, three-phase current and power through a current sensor, a voltage sensor and a power analyzer to obtain an electrical data set: a three-phase current average value Dlpj, a three-phase voltage average value Dypj, a current fluctuation rate Dlbd, a voltage fluctuation rate Dybd and a power factor Glys;

[0014] The environmental data acquisition unit measures the internal and external temperature, humidity and dew point temperature through a temperature sensor, a humidity sensor and a dew point sensor, and obtains an environmental data set: the internal temperature value Nbwd of the ring network cabinet, the external temperature value Wbwd of the ring network cabinet, the internal humidity value Nbsd, the external humidity value Wbsd and the dew point temperature value Ldwd;

[0015] The mechanical data acquisition unit is used to measure the vibration amplitude and frequency, record the number of switch operations, monitor the wear of mechanical parts, measure the noise level, and obtain the mechanical data set: vibration amplitude value Zdfd, vibration frequency value Zdpl, number of switch operations Kgcs, mechanical wear rate Jxms and noise level value Zssp through the interaction of vibration sensors, switch counters, mechanical wear sensors and noise sensors.

[0016] Preferably, the data processing module includes a data preprocessing unit and a data sorting unit;

[0017] The data preprocessing unit is used to perform preliminary processing on the collected electrical data set, environmental data set and mechanical data set, identify and remove noise and outliers in the data set, and normalize parameter data of different units and magnitudes so that all data are within the same range;

[0018] The data sorting unit is used to sort and sort the pre-processed data into structured data sets, namely, a first data group, a second data group and a third data group, format the grouped data, convert them into a unified format and structure, and store them in a database;

[0019] The first data set: processed electrical data set;

[0020] The second data set: processed environmental data set;

[0021] The third data set: processed mechanical data set.

[0022] Preferably, the parameter monitoring module includes a real-time monitoring unit;

[0023] The real-time monitoring unit is used to monitor and record various parameters during the operation of the ring main unit in real time, including electrical parameters, environmental parameters and mechanical parameters, provide instant operation status information, and record historical data.

[0024] Preferably, the evaluation algorithm module includes an evaluation calculation unit;

[0025] The evaluation calculation unit is used to analyze the processed first data group, the second data group and the third data by optimizing the monitoring algorithm, and obtain after calculation: the ring network cabinet commissioning evaluation index Tspg, the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc and the mechanical monitoring coefficient Jxjc;

[0026] The ring main unit commissioning evaluation index Tspg is calculated by the following formula:

[0027]

[0028] Wherein, Tspg represents the ring main unit commissioning evaluation index, Dqjc represents the electrical monitoring coefficient, Hjjc represents the environmental monitoring coefficient, and Jxjc represents the mechanical monitoring coefficient. The ring main unit commissioning evaluation index Tspg is calculated by taking the square root of the sum of the squares of the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc, and the mechanical monitoring coefficient Jxjc.

[0029] The electrical monitoring coefficient Dqjc is calculated by the following formula:

[0030]

[0031] In the formula, Dlpj represents the average value of three-phase current, Dypj represents the average value of three-phase voltage, Dlbd represents the current fluctuation rate, Dybd represents the voltage fluctuation rate, Glys represents the power factor, It indicates the ratio of the average value of three-phase current to the average value of three-phase voltage, reflecting the relationship between current and voltage. It represents the ratio of current fluctuation rate to current average value, reflecting the stability of current. It represents the ratio of voltage fluctuation rate to voltage average value, reflecting voltage stability. PF is power factor, reflecting the effective utilization of power.

[0032] Preferably, the environmental monitoring coefficient Hjjc is calculated by the following formula:

[0033]

[0034] Where, Nbwd represents the internal temperature of the ring main unit, Wbwd represents the external temperature of the ring main unit, Nbsd represents the internal humidity, Wbsd represents the external humidity, and Ldwd represents the dew point temperature. Indicates the relative difference between the internal temperature Nbwd and the external temperature Wbwd of the ring main unit, reflecting the stability of the ambient temperature. It indicates the relative difference between the internal humidity Nbsd and the external humidity Wbsd, reflecting the stability of the ambient humidity. Indicates the relative difference between the dew point temperature Ldwd and the external temperature Wbwd, reflecting the influence of the ambient dew point.

[0035] Preferably, the mechanical monitoring coefficient Jxjc is calculated by the following formula:

[0036]

[0037] Where Zdfd represents the vibration amplitude value, Zdpl represents the vibration frequency value, Kgcs represents the number of switch operations, Jxms represents the mechanical wear rate, and Zssp represents the noise level value. It is the ratio of vibration amplitude Zdfd to vibration frequency Zdpl, reflecting the characteristics of vibration. It indicates the ratio of the number of switch operations Kgcs to the vibration amplitude Zdfd, reflecting the frequency of mechanical operation. It is the ratio of mechanical wear rate Jxms to vibration amplitude Zdfd, reflecting the severity of mechanical wear, (Zssp) 2 Reflects the noise conditions during operation.

[0038] Preferably, the report generation module includes an evaluation and comparison unit and a report generation unit;

[0039] The evaluation comparison unit is used to compare the calculated ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N to obtain the level evaluation result of the ring main unit:

[0040] When the ring main unit commissioning evaluation index Tspg ≤ the preset qualified threshold M, the evaluation result is the first evaluation level, and system inspection and sensor calibration are carried out once a quarter. Trend analysis is carried out using historical data to predict potential performance changes, and preventive measures are taken in advance. The inspection frequency is increased to four times a quarter before the high-load season;

[0041] When the preset qualified threshold value N < ring main unit commissioning assessment index Tspg ≤ preset qualified threshold value M, the assessment result is the second assessment level, the ring main unit installation and commissioning is qualified, and a comprehensive equipment inspection is carried out for the problems found in the assessment, including electrical connections, sensor status and environmental conditions, replacement of aging sensors and equipment with large data fluctuations, control of ventilation equipment or air conditioning systems, optimization of current and voltage, maintenance of stable temperature and humidity, and avoidance of power loss;

[0042] When the ring main unit commissioning evaluation index Tspg> the preset qualified threshold N, the evaluation result is the first evaluation level, and the ring main unit installation and commissioning is unqualified. Immediately arrange a comprehensive system overhaul to find and repair all fault points, including replacing damaged sensors and repairing electrical connection problems. For aging components, aging cables and circuit breakers found in the evaluation, they should be replaced immediately, and the data collection frequency should be increased from once every hour to once every 15 minutes. The system status should be tracked in real time, abnormalities should be discovered and handled in a timely manner, dust covers and moisture-proof measures should be set up to protect the installation environment, a regular comprehensive evaluation mechanism should be established, and a detailed system evaluation should be conducted every six months;

[0043] The report generation unit is used to compile and output an evaluation report according to the grade evaluation results, including the evaluation values ​​of various parameters, the comprehensive evaluation values ​​and improvement suggestions, and format the generated evaluation report and output it as a PDF, Word document or other specified format;

[0044] The evaluation report includes: electrical parameters, environmental parameters, mechanical parameters, comprehensive evaluation value Tspg, and grade evaluation results.

[0045] Preferably, the report generation module includes an evaluation and comparison unit and a report generation unit;

[0046] The evaluation comparison unit is used to compare the calculated ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N to obtain the level evaluation result of the ring main unit:

[0047] When the ring main unit commissioning evaluation index Tspg ≤ the preset qualified threshold M, the evaluation result is the first evaluation level, and system inspection and sensor calibration are carried out once a quarter. Trend analysis is carried out using historical data to predict potential performance changes, and preventive measures are taken in advance. The inspection frequency is increased to four times a quarter before the high-load season;

[0048] When the preset qualified threshold value N < ring main unit commissioning assessment index Tspg ≤ preset qualified threshold value M, the assessment result is the second assessment level, the ring main unit installation and commissioning is qualified, and a comprehensive equipment inspection is carried out for the problems found in the assessment, including electrical connections, sensor status and environmental conditions, replacement of aging sensors and equipment with large data fluctuations, control of ventilation equipment or air conditioning systems, optimization of current and voltage, maintenance of stable temperature and humidity, and avoidance of power loss;

[0049] When the ring main unit commissioning evaluation index Tspg> the preset qualified threshold N, the evaluation result is the first evaluation level, and the ring main unit installation and commissioning is unqualified. Immediately arrange a comprehensive system overhaul to find and repair all fault points, including replacing damaged sensors and repairing electrical connection problems. For aging components, aging cables and circuit breakers found in the evaluation, they should be replaced immediately, and the data collection frequency should be increased from once every hour to once every 15 minutes. The system status should be tracked in real time, abnormalities should be discovered and handled in a timely manner, dust covers and moisture-proof measures should be set up to protect the installation environment, a regular comprehensive evaluation mechanism should be established, and a detailed system evaluation should be conducted every six months;

[0050] The report generation unit is used to compile and output an evaluation report according to the grade evaluation results, including the evaluation values ​​of various parameters, the comprehensive evaluation values ​​and improvement suggestions, and format the generated evaluation report and output it as a PDF, Word document or other specified format;

[0051] The evaluation report includes: electrical parameters, environmental parameters, mechanical parameters, comprehensive evaluation value Tspg, and grade evaluation results.

[0052] A ring main unit installation and commissioning evaluation method based on multi-parameter monitoring includes the following steps:

[0053] Step 1: Use sensors to collect various parameters in the operation process of the ring main unit in real time, obtain the electrical, environmental and mechanical operating conditions, and form electrical data sets, environmental data sets and mechanical data sets;

[0054] Step 2: preprocessing the collected electrical data set, environmental data set and mechanical data set, including data cleaning, filtering and normalization steps, removing noise and outliers, and arranging them into the first data set, the second data set and the third data set;

[0055] Step 3: Monitor the changes of various parameters in real time, including current, voltage, temperature, humidity and vibration, and record the historical data and change trends of the parameters;

[0056] Step 4: Analyze the processed first data group, second data group and third data by optimizing the monitoring algorithm, and obtain after calculation: the ring main unit commissioning evaluation index Tspg;

[0057] Step 5: Compare the ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and preset qualified threshold N to obtain the grade evaluation result, and generate an evaluation report based on the grade evaluation result, including the evaluation value of each parameter, the comprehensive evaluation value and improvement suggestions;

[0058] Step 6: Based on the results and recommendations in the evaluation report, provide feedback and optimize the installation and commissioning process of the ring main unit, and record the effects of the optimization measures.

[0059] The present invention provides a method and system for evaluating installation and debugging of a ring main unit based on multi-parameter monitoring, which has the following beneficial effects:

[0060] (1) When the system is running, various parameters of the ring main unit during operation are collected in real time through sensors to obtain the electrical, environmental and mechanical operating conditions, form electrical data sets, environmental data sets and mechanical data sets, and pre-process them, and organize them into the first data group, the second data group and the third data group. The ring main unit commissioning evaluation index Tspg is obtained by real-time monitoring of the changes in various parameters. The ring main unit commissioning evaluation index Tspg is compared with the preset qualified threshold M and the preset qualified threshold N to obtain the grade evaluation results, and generate an evaluation report, including the evaluation values ​​of various parameters, the comprehensive evaluation values ​​and improvement suggestions. According to the results and suggestions in the evaluation report, the installation and commissioning process of the ring main unit is fed back and optimized, and the effects of the optimization measures are recorded.

[0061] (2) Through the electrical, environmental and mechanical data acquisition units, the system can collect key parameters of the ring main unit in real time and comprehensively. The use of high-precision sensors such as current sensors, voltage sensors, temperature sensors, etc. helps to obtain accurate data, thereby improving the overall monitoring accuracy. Accurate parameter data provides a reliable basis for subsequent evaluation and optimization. The data preprocessing unit processes the noise and outliers of the collected data and performs normalization processing so that the data from different sources are within the same range.

[0062] (3) The data sorting unit classifies and formats the pre-processed data to form a structured data set for subsequent analysis. The efficient data processing process improves the accuracy and reliability of data analysis and reduces the probability of errors caused by manual intervention. The real-time monitoring unit can not only provide information on the operating status of the ring main unit in real time, but also record the historical data and change trends of various parameters. Through the accumulation and analysis of historical data, trend prediction can be carried out to prevent potential faults and problems, realize predictive maintenance, and improve the operating safety and stability of the ring main unit.

[0063] (4) By calculating the electrical, environmental and mechanical monitoring coefficients, the system can provide detailed data analysis results. These results not only help generate evaluation reports, but also provide scientific decision support for the installation and commissioning of ring network cabinets. By optimizing the monitoring algorithm, the evaluation results are more representative and accurate, and can effectively guide subsequent maintenance and improvement measures. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] Figure 1 This is a block diagram of a ring main unit installation, debugging and evaluation system based on multi-parameter monitoring according to the present invention;

[0065] Figure 2 The present invention is a schematic diagram of the steps of a ring main unit installation, debugging and evaluation method based on multi-parameter monitoring. DETAILED DESCRIPTION

[0066] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0067] Example 1

[0068] The present invention provides a ring main unit installation and debugging evaluation system based on multi-parameter monitoring. Figure 1 , including data acquisition module, data processing module, parameter monitoring module, evaluation algorithm module, report generation module and feedback module;

[0069] The data acquisition module is used to collect various parameters in the operation process of the ring main unit in real time through sensors, obtain the electrical, environmental and mechanical operating conditions, and form electrical data sets, environmental data sets and mechanical data sets;

[0070] The data processing module is used to pre-process the collected electrical data set, environmental data set and mechanical data set, including data cleaning, filtering and normalization steps, and after removing noise and outliers, organize them into a first data set, a second data set and a third data set;

[0071] The parameter monitoring module is used to monitor the changes of various parameters in real time, including current, voltage, temperature, humidity and vibration, and record the historical data and change trends of the parameters;

[0072] The evaluation algorithm module is used to analyze the processed first data group, the second data group and the third data by optimizing the monitoring algorithm, and obtain after calculation: the ring network cabinet debugging evaluation index Tspg;

[0073] The report generation module is used to compare the ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N to obtain the grade evaluation result, and generate an evaluation report according to the grade evaluation result, including the evaluation value of each parameter, the comprehensive evaluation value and improvement suggestions;

[0074] The feedback module is used to provide feedback and optimize the installation and commissioning process of the ring main unit according to the results and suggestions in the evaluation report, and record the effects of the optimization measures.

[0075] In this embodiment, various parameters of the ring main unit during operation are collected in real time by sensors, the electrical, environmental and mechanical operating conditions are obtained, electrical data sets, environmental data sets and mechanical data sets are formed and preprocessed, and organized into a first data group, a second data group and a third data group. The ring main unit debugging evaluation index Tspg is obtained by real-time monitoring of the changes in various parameters, and is compared with the preset qualified threshold M and the preset qualified threshold N to obtain the grade evaluation results, and generate an evaluation report, including the evaluation values ​​of various parameters, comprehensive evaluation values ​​and improvement suggestions. According to the results and suggestions in the evaluation report, the installation and commissioning process of the ring main unit is fed back and optimized, and the effects of the optimization measures are recorded.

[0076] Example 2

[0077] This embodiment is explained in Example 1, please refer to Figure 1 ,Specifically: the data acquisition module includes an electrical data acquisition unit, an environmental data acquisition unit and a mechanical data acquisition unit;

[0078] The electrical data acquisition unit is used to measure three-phase voltage, three-phase current and power through a current sensor, a voltage sensor and a power analyzer to obtain an electrical data set: a three-phase current average value Dlpj, a three-phase voltage average value Dypj, a current fluctuation rate Dlbd, a voltage fluctuation rate Dybd and a power factor Glys;

[0079] The environmental data acquisition unit measures the internal and external temperature, humidity and dew point temperature through a temperature sensor, a humidity sensor and a dew point sensor, and obtains an environmental data set: the internal temperature value Nbwd of the ring network cabinet, the external temperature value Wbwd of the ring network cabinet, the internal humidity value Nbsd, the external humidity value Wbsd and the dew point temperature value Ldwd;

[0080] The mechanical data acquisition unit is used to measure the vibration amplitude and frequency, record the number of switch operations, monitor the wear of mechanical parts, measure the noise level, and obtain the mechanical data set: vibration amplitude value Zdfd, vibration frequency value Zdpl, number of switch operations Kgcs, mechanical wear rate Jxms and noise level value Zssp through the interaction of vibration sensors, switch counters, mechanical wear sensors and noise sensors.

[0081] The data processing module includes a data preprocessing unit and a data sorting unit;

[0082] The data preprocessing unit is used to perform preliminary processing on the collected electrical data set, environmental data set and mechanical data set, identify and remove noise and outliers in the data set, and normalize parameter data of different units and magnitudes so that all data are within the same range;

[0083] The data sorting unit is used to sort and sort the pre-processed data into structured data sets, namely, a first data group, a second data group and a third data group, format the grouped data, convert them into a unified format and structure, and store them in a database;

[0084] The first data set: processed electrical data set;

[0085] The second data set: processed environmental data set;

[0086] The third data set: processed mechanical data set.

[0087] The parameter monitoring module includes a real-time monitoring unit;

[0088] The real-time monitoring unit is used to monitor and record various parameters during the operation of the ring main unit in real time, including electrical parameters, environmental parameters and mechanical parameters, provide instant operation status information, and record historical data.

[0089] In this embodiment, through the electrical, environmental and mechanical data acquisition units, the system can collect key parameters in the operation process of the ring network cabinet in real time and comprehensively. The use of high-precision sensors such as current sensors, voltage sensors, temperature sensors, etc. helps to obtain accurate data, thereby improving the overall monitoring accuracy. Accurate parameter data provides a reliable basis for subsequent evaluation and optimization. The data preprocessing unit processes the noise and outliers of the collected data and performs normalization processing so that the data from different sources are in the same range. The data sorting unit classifies and formats the preprocessed data to form a structured data set for subsequent analysis. The efficient data processing process improves the accuracy and reliability of data analysis and reduces the error probability of manual intervention. The real-time monitoring unit can not only provide information on the operating status of the ring network cabinet in real time, but also record the historical data and change trends of various parameters. Through the accumulation and analysis of historical data, trend prediction can be carried out, potential faults and problems can be prevented, predictive maintenance can be achieved, and the operating safety and stability of the ring network cabinet can be improved.

[0090] Example 3

[0091] This embodiment is explained in Example 1, please refer to Figure 1 ,Specifically: the evaluation algorithm module includes an evaluation calculation unit;

[0092] The evaluation calculation unit is used to analyze the processed first data group, the second data group and the third data by optimizing the monitoring algorithm, and obtain after calculation: the ring network cabinet commissioning evaluation index Tspg, the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc and the mechanical monitoring coefficient Jxjc;

[0093] The ring main unit commissioning evaluation index Tspg is calculated by the following formula:

[0094]

[0095] Wherein, Tspg represents the ring main unit commissioning evaluation index, Dqjc represents the electrical monitoring coefficient, Hjjc represents the environmental monitoring coefficient, and Jxjc represents the mechanical monitoring coefficient. The ring main unit commissioning evaluation index Tspg is calculated by taking the square root of the sum of the squares of the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc, and the mechanical monitoring coefficient Jxjc.

[0096] The electrical monitoring coefficient Dqjc is calculated by the following formula:

[0097]

[0098] In the formula, Dlpj represents the average value of three-phase current, Dypj represents the average value of three-phase voltage, Dlbd represents the current fluctuation rate, Dybd represents the voltage fluctuation rate, Glys represents the power factor, It indicates the ratio of the average value of three-phase current to the average value of three-phase voltage, reflecting the relationship between current and voltage. It represents the ratio of current fluctuation rate to current average value, reflecting the stability of current. It represents the ratio of voltage fluctuation rate to voltage average value, reflecting voltage stability. PF is power factor, reflecting the effective utilization of power.

[0099] The evaluation algorithm module includes an evaluation calculation unit;

[0100] The evaluation calculation unit is used to analyze the processed first data group, the second data group and the third data by optimizing the monitoring algorithm, and obtain after calculation: the ring network cabinet commissioning evaluation index Tspg, the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc and the mechanical monitoring coefficient Jxjc;

[0101] The ring main unit commissioning evaluation index Tspg is calculated by the following formula:

[0102]

[0103] Wherein, Tspg represents the ring main unit commissioning evaluation index, Dqjc represents the electrical monitoring coefficient, Hjjc represents the environmental monitoring coefficient, and Jxjc represents the mechanical monitoring coefficient. The ring main unit commissioning evaluation index Tspg is calculated by taking the square root of the sum of the squares of the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc, and the mechanical monitoring coefficient Jxjc.

[0104] The electrical monitoring coefficient Dqjc is calculated by the following formula:

[0105]

[0106] In the formula, Dlpj represents the average value of three-phase current, Dypj represents the average value of three-phase voltage, Dlbd represents the current fluctuation rate, Dybd represents the voltage fluctuation rate, Glys represents the power factor, It indicates the ratio of the average value of three-phase current to the average value of three-phase voltage, reflecting the relationship between current and voltage. It represents the ratio of current fluctuation rate to current average value, reflecting the stability of current. It represents the ratio of voltage fluctuation rate to voltage average value, reflecting voltage stability. PF is power factor, reflecting the effective utilization of power.

[0107] The mechanical monitoring coefficient Jxjc is calculated by the following formula:

[0108]

[0109] Where Zdfd represents the vibration amplitude value, Zdpl represents the vibration frequency value, Kgcs represents the number of switch operations, Jxms represents the mechanical wear rate, and Zssp represents the noise level value. It is the ratio of vibration amplitude Zdfd to vibration frequency Zdpl, reflecting the characteristics of vibration. It indicates the ratio of the number of switch operations Kgcs to the vibration amplitude Zdfd, reflecting the frequency of mechanical operation. It is the ratio of mechanical wear rate Jxms to vibration amplitude Zdfd, reflecting the severity of mechanical wear, (Zssp) 2 Reflects the noise conditions during operation.

[0110] In this embodiment, through the evaluation calculation unit in the evaluation algorithm module, the system can comprehensively analyze the processed electrical, environmental and mechanical data, and calculate the ring network cabinet commissioning evaluation index Tspg, electrical monitoring coefficient Dqjc, environmental monitoring coefficient Hjjc and mechanical monitoring coefficient Jxjc. This comprehensive evaluation method calculates Tspg by taking the square root of the sum of squares of different monitoring coefficients, effectively integrating multiple parameters and improving the accuracy and reliability of the evaluation. By calculating the electrical, environmental and mechanical monitoring coefficients, the system can provide detailed data analysis results. These results not only help generate evaluation reports, but also provide scientific decision-making support for the installation and commissioning of ring network cabinets. By optimizing the monitoring algorithm, the evaluation results are more representative and accurate, and can effectively guide subsequent maintenance and improvement measures.

[0111] Example 4

[0112] This embodiment is explained in Example 1, please refer to Figure 1 ,Specifically: the report generation module includes an evaluation and comparison unit and a report generation unit;

[0113] The evaluation comparison unit is used to compare the calculated ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N to obtain the level evaluation result of the ring main unit:

[0114] When the ring main unit commissioning evaluation index Tspg ≤ the preset qualified threshold M, the evaluation result is the first evaluation level, and system inspection and sensor calibration are carried out once a quarter. Trend analysis is carried out using historical data to predict potential performance changes, and preventive measures are taken in advance. The inspection frequency is increased to four times a quarter before the high-load season;

[0115] When the preset qualified threshold value N < ring main unit commissioning assessment index Tspg ≤ preset qualified threshold value M, the assessment result is the second assessment level, the ring main unit installation and commissioning is qualified, and a comprehensive equipment inspection is carried out for the problems found in the assessment, including electrical connections, sensor status and environmental conditions, replacement of aging sensors and equipment with large data fluctuations, control of ventilation equipment or air conditioning systems, optimization of current and voltage, maintenance of stable temperature and humidity, and avoidance of power loss;

[0116] When the ring main unit commissioning evaluation index Tspg> the preset qualified threshold N, the evaluation result is the first evaluation level, and the ring main unit installation and commissioning is unqualified. Immediately arrange a comprehensive system overhaul to find and repair all fault points, including replacing damaged sensors and repairing electrical connection problems. For aging components, aging cables and circuit breakers found in the evaluation, they should be replaced immediately, and the data collection frequency should be increased from once every hour to once every 15 minutes. The system status should be tracked in real time, abnormalities should be discovered and handled in a timely manner, dust covers and moisture-proof measures should be set up to protect the installation environment, a regular comprehensive evaluation mechanism should be established, and a detailed system evaluation should be conducted every six months;

[0117] The report generation unit is used to compile and output an evaluation report according to the grade evaluation results, including the evaluation values ​​of various parameters, the comprehensive evaluation values ​​and improvement suggestions, and format the generated evaluation report and output it as a PDF, Word document or other specified format;

[0118] The evaluation report includes: electrical parameters, environmental parameters, mechanical parameters, comprehensive evaluation value Tspg, and grade evaluation results.

[0119] The feedback module includes an optimization recording unit;

[0120] The optimization recording unit is used to record and track the implementation of optimization measures and their effects, record the operations of electrical parameter adjustment, environmental control improvement, and mechanical component replacement, track the implementation progress of each optimization measure, and set a schedule for regular inspection and follow-up for measures that require long-term observation.

[0121] In this embodiment, by comparing the ring main unit debugging evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N, the system can clearly divide the evaluation levels and formulate corresponding inspection and maintenance measures according to different levels. Such an evaluation method ensures that the system can take appropriate actions according to actual conditions, thereby improving the maintenance efficiency and safety of the ring main unit. The optimization recording unit in the feedback module is used to record and track the implementation of optimization measures and their effects, including electrical parameter adjustments, environmental control improvements, mechanical component replacement operations, and set a schedule for regular inspections and follow-up. This ensures that each optimization measure is effectively implemented and continuously improved, thereby improving the overall performance and reliability of the ring main unit.

[0122] Example 5

[0123] A ring main unit installation and commissioning evaluation method based on multi-parameter monitoring, please refer to Figure 2 , specifically: including the following steps:

[0124] Step 1: Use sensors to collect various parameters in the operation process of the ring main unit in real time, obtain the electrical, environmental and mechanical operating conditions, and form electrical data sets, environmental data sets and mechanical data sets;

[0125] Step 2: preprocessing the collected electrical data set, environmental data set and mechanical data set, including data cleaning, filtering and normalization steps, removing noise and outliers, and arranging them into the first data set, the second data set and the third data set;

[0126] Step 3: Monitor the changes of various parameters in real time, including current, voltage, temperature, humidity and vibration, and record the historical data and change trends of the parameters;

[0127] Step 4: Analyze the processed first data group, second data group and third data by optimizing the monitoring algorithm, and obtain after calculation: the ring main unit commissioning evaluation index Tspg;

[0128] Step 5: Compare the ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and preset qualified threshold N to obtain the grade evaluation result, and generate an evaluation report based on the grade evaluation result, including the evaluation value of each parameter, the comprehensive evaluation value and improvement suggestions;

[0129] Step 6: Based on the results and recommendations in the evaluation report, provide feedback and optimize the installation and commissioning process of the ring main unit, and record the effects of the optimization measures.

[0130] In this embodiment, various parameters in the operation process of the ring network cabinet are collected in real time by sensors to obtain the operation status of electrical, environmental and mechanical equipment. The collected electrical data set, environmental data set and mechanical data set are preprocessed, including data cleaning, filtering and normalization steps to remove noise and outliers. The preprocessed data are organized into structured data sets to form a first data group, a second data group and a third data group respectively. By real-time monitoring of the changes in various parameters, including current, voltage, temperature, humidity and vibration, and recording the historical data and change trends of the parameters, an evaluation report is generated according to the level evaluation results, including the evaluation values, comprehensive evaluation values ​​and improvement suggestions of various parameters. According to the results and suggestions in the evaluation report, the installation and commissioning process of the ring network cabinet is fed back and optimized. The implementation of the optimization measures and their effects are recorded, including the operations of electrical parameter adjustment, environmental control improvement, and mechanical component replacement, and a schedule for regular inspection and follow-up is set.

[0131] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ring main unit installation and commissioning evaluation system based on multi-parameter monitoring, characterized in that: It includes data acquisition module, data processing module, parameter monitoring module, evaluation algorithm module, report generation module and feedback module; The data acquisition module is used to collect various parameters in the operation process of the ring main unit in real time through sensors, obtain the electrical, environmental and mechanical operating conditions, and form electrical data sets, environmental data sets and mechanical data sets; The data processing module is used to pre-process the collected electrical data set, environmental data set and mechanical data set, including data cleaning, filtering and normalization steps, and after removing noise and outliers, organize them into a first data set, a second data set and a third data set; The parameter monitoring module is used to monitor the changes of various parameters in real time, including current, voltage, temperature, humidity and vibration, and record the historical data and change trends of the parameters; The evaluation algorithm module is used to analyze the processed first data group, the second data group and the third data by optimizing the monitoring algorithm, and obtain after calculation: the ring network cabinet debugging evaluation index Tspg; The report generation module is used to compare the ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N to obtain the grade evaluation result, and generate an evaluation report according to the grade evaluation result, including the evaluation value of each parameter, the comprehensive evaluation value and improvement suggestions; The feedback module is used to provide feedback and optimize the installation and commissioning process of the ring main unit according to the results and suggestions in the evaluation report, and record the effects of the optimization measures.

2. According to claim 1, a ring main unit installation, debugging and evaluation system based on multi-parameter monitoring is characterized in that: The data acquisition module includes an electrical data acquisition unit, an environmental data acquisition unit and a mechanical data acquisition unit; The electrical data acquisition unit is used to measure three-phase voltage, three-phase current and power through a current sensor, a voltage sensor and a power analyzer to obtain an electrical data set: a three-phase current average value Dlpj, a three-phase voltage average value Dypj, a current fluctuation rate Dlbd, a voltage fluctuation rate Dybd and a power factor Glys; The environmental data acquisition unit measures the internal and external temperature, humidity and dew point temperature through a temperature sensor, a humidity sensor and a dew point sensor, and obtains an environmental data set: the internal temperature value Nbwd of the ring network cabinet, the external temperature value Wbwd of the ring network cabinet, the internal humidity value Nbsd, the external humidity value Wbsd and the dew point temperature value Ldwd; The mechanical data acquisition unit is used to measure the vibration amplitude and frequency, record the number of switch operations, monitor the wear of mechanical parts, measure the noise level, and obtain the mechanical data set: vibration amplitude value Zdfd, vibration frequency value Zdpl, number of switch operations Kgcs, mechanical wear rate Jxms and noise level value Zssp through the interaction of vibration sensors, switch counters, mechanical wear sensors and noise sensors.

3. According to the multi-parameter monitoring-based ring main unit installation, debugging and evaluation system of claim 1, it is characterized by: The data processing module includes a data preprocessing unit and a data sorting unit; The data preprocessing unit is used to perform preliminary processing on the collected electrical data set, environmental data set and mechanical data set, identify and remove noise and outliers in the data set, and normalize parameter data of different units and magnitudes so that all data are within the same range; The data sorting unit is used to sort and sort the pre-processed data into structured data sets, namely, a first data group, a second data group and a third data group, format the grouped data, convert them into a unified format and structure, and store them in a database; The first data set: processed electrical data set; The second data set: processed environmental data set; The third data set: processed mechanical data set.

4. According to claim 1, a ring main unit installation, debugging and evaluation system based on multi-parameter monitoring is characterized in that: The parameter monitoring module includes a real-time monitoring unit; The real-time monitoring unit is used to monitor and record various parameters during the operation of the ring main unit in real time, including electrical parameters, environmental parameters and mechanical parameters, provide instant operation status information, and record historical data.

5. According to claim 2, a ring main unit installation, debugging and evaluation system based on multi-parameter monitoring is characterized in that: The evaluation algorithm module includes an evaluation calculation unit; The evaluation calculation unit is used to analyze the processed first data group, the second data group and the third data by optimizing the monitoring algorithm, and obtain after calculation: the ring network cabinet commissioning evaluation index Tspg, the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc and the mechanical monitoring coefficient Jxjc; The ring main unit commissioning evaluation index Tspg is calculated by the following formula: Wherein, Tspg represents the ring main unit commissioning evaluation index, Dqjc represents the electrical monitoring coefficient, Hjjc represents the environmental monitoring coefficient, and Jxjc represents the mechanical monitoring coefficient. The ring main unit commissioning evaluation index Tspg is calculated by taking the square root of the sum of the squares of the electrical monitoring coefficient Dqjc, the environmental monitoring coefficient Hjjc, and the mechanical monitoring coefficient Jxjc. The electrical monitoring coefficient Dqjc is calculated by the following formula: In the formula, Dlpj represents the average value of three-phase current, Dypj represents the average value of three-phase voltage, Dlbd represents the current fluctuation rate, Dybd represents the voltage fluctuation rate, Glys represents the power factor, It indicates the ratio of the average value of three-phase current to the average value of three-phase voltage, reflecting the relationship between current and voltage. It represents the ratio of current fluctuation rate to current average value, reflecting the stability of current. It represents the ratio of voltage fluctuation rate to voltage average value, reflecting voltage stability. PF is power factor, reflecting the effective utilization of power.

6. The ring main unit installation, debugging and evaluation system based on multi-parameter monitoring according to claim 2 is characterized in that: The environmental monitoring coefficient Hjjc is calculated by the following formula: Where, Nbwd represents the internal temperature of the ring main unit, Wbwd represents the external temperature of the ring main unit, Nbsd represents the internal humidity, Wbsd represents the external humidity, and Ldwd represents the dew point temperature. Indicates the relative difference between the internal temperature Nbwd and the external temperature Wbwd of the ring main unit, reflecting the stability of the ambient temperature. It indicates the relative difference between the internal humidity Nbsd and the external humidity Wbsd, reflecting the stability of the ambient humidity. Indicates the relative difference between the dew point temperature Ldwd and the external temperature Wbwd, reflecting the influence of the ambient dew point.

7. The ring main unit installation, debugging and evaluation system based on multi-parameter monitoring according to claim 2 is characterized in that: The mechanical monitoring coefficient Jxjc is calculated by the following formula: Where Zdfd represents the vibration amplitude value, Zdpl represents the vibration frequency value, Kgcs represents the number of switch operations, Jxms represents the mechanical wear rate, and Zssp represents the noise level value. It is the ratio of vibration amplitude Zdfd to vibration frequency Zdpl, reflecting the characteristics of vibration. It indicates the ratio of the number of switch operations Kgcs to the vibration amplitude Zdfd, reflecting the frequency of mechanical operation. It is the ratio of mechanical wear rate Jxms to vibration amplitude Zdfd, reflecting the severity of mechanical wear, (Zssp) 2 Reflects the noise conditions during operation.

8. The ring main unit installation, commissioning and evaluation system based on multi-parameter monitoring according to claim 1 is characterized in that: The report generation module includes an evaluation and comparison unit and a report generation unit; The evaluation comparison unit is used to compare the calculated ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and the preset qualified threshold N to obtain the level evaluation result of the ring main unit: When the ring main unit commissioning evaluation index Tspg ≤ the preset qualified threshold M, the evaluation result is the first evaluation level, and system inspection and sensor calibration are carried out once a quarter. Trend analysis is carried out using historical data to predict potential performance changes, and preventive measures are taken in advance. The inspection frequency is increased to four times a quarter before the high-load season; When the preset qualified threshold value N < ring main unit commissioning assessment index Tspg ≤ preset qualified threshold value M, the assessment result is the second assessment level, the ring main unit installation and commissioning is qualified, and a comprehensive equipment inspection is carried out for the problems found in the assessment, including electrical connections, sensor status and environmental conditions, replacement of aging sensors and equipment with large data fluctuations, control of ventilation equipment or air conditioning systems, optimization of current and voltage, maintenance of stable temperature and humidity, and avoidance of power loss; When the ring main unit commissioning evaluation index Tspg> the preset qualified threshold N, the evaluation result is the first evaluation level, and the ring main unit installation and commissioning is unqualified. Immediately arrange a comprehensive system overhaul to find and repair all fault points, including replacing damaged sensors and repairing electrical connection problems. For aging components, aging cables and circuit breakers found in the evaluation, they should be replaced immediately, and the data collection frequency should be increased from once every hour to once every 15 minutes. The system status should be tracked in real time, abnormalities should be discovered and handled in a timely manner, dust covers and moisture-proof measures should be set up to protect the installation environment, a regular comprehensive evaluation mechanism should be established, and a detailed system evaluation should be conducted every six months; The report generation unit is used to compile and output an evaluation report according to the grade evaluation results, including the evaluation values ​​of various parameters, the comprehensive evaluation values ​​and improvement suggestions, and format the generated evaluation report and output it as a PDF, Word document or other specified format; The evaluation report includes: electrical parameters, environmental parameters, mechanical parameters, comprehensive evaluation value Tspg, and grade evaluation results.

9. The ring main unit installation, debugging and evaluation system based on multi-parameter monitoring according to claim 1 is characterized in that: The feedback module includes an optimization recording unit; The optimization recording unit is used to record and track the implementation of optimization measures and their effects, record the operations of electrical parameter adjustment, environmental control improvement, and mechanical component replacement, track the implementation progress of each optimization measure, and set a schedule for regular inspection and follow-up for measures that require long-term observation.

10. A ring main unit installation and commissioning evaluation method based on multi-parameter monitoring, applied to a ring main unit installation and commissioning evaluation system based on multi-parameter monitoring as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Use sensors to collect various parameters in the operation process of the ring main unit in real time, obtain the electrical, environmental and mechanical operating conditions, and form electrical data sets, environmental data sets and mechanical data sets; Step 2: preprocessing the collected electrical data set, environmental data set and mechanical data set, including data cleaning, filtering and normalization steps, removing noise and outliers, and arranging them into the first data set, the second data set and the third data set; Step 3: Monitor the changes of various parameters in real time, including current, voltage, temperature, humidity and vibration, and record the historical data and change trends of the parameters; Step 4: Analyze the processed first data group, second data group and third data by optimizing the monitoring algorithm, and obtain after calculation: the ring main unit commissioning evaluation index Tspg; Step 5: Compare the ring main unit commissioning evaluation index Tspg with the preset qualified threshold M and preset qualified threshold N to obtain the grade evaluation result, and generate an evaluation report based on the grade evaluation result, including the evaluation value of each parameter, the comprehensive evaluation value and improvement suggestions; Step 6: Based on the results and recommendations in the evaluation report, provide feedback and optimize the installation and commissioning process of the ring main unit, and record the effects of the optimization measures.

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