Intelligent operation and maintenance method and system of micro-grid system

Abstract

The invention relates to the technical field of micro-grids, and provides an intelligent operation and maintenance method and system of a micro-grid system in order to solve the problem that efficiency is low when operation and maintenance are carried out on various different devices in the micro-grid system, and the method comprises the steps that each device in the micro-grid system is marked; the marked device is bound with the corresponding operation and maintenance equipment; recording and transmitting operation and maintenance information of each device in the micro-grid system in real time, and performing information processing on the operation and maintenance information to obtain a corresponding operation and maintenance processing reflection form; informatization processing is carried out on the operation and maintenance processing reflection form, and a corresponding operation and maintenance device in the information model is improved in real time through a processed result; the operation and maintenance effect and efficiency of the corresponding operation and maintenance device on each device are analyzed through different operation and maintenance processing reflection forms in the multiple operation and maintenance devices, and analysis results of different levels are optimized and combined so as to predict and manage the working conditions of the different operation and maintenance devices.

Description

Technical Field

[0001] The present invention relates to the technical field of microgrids, and in particular to an intelligent operation and maintenance method for a microgrid system and an intelligent operation and maintenance system for a microgrid system. Background Art

[0002] With the continuous deterioration of the global climate, mankind still has a daunting mission on the road to finding sustainable, clean and efficient energy. Among them, as a small independent power system, the microgrid system can provide power services for users in a specific area, and is integrated with distributed generation devices, energy storage devices, load monitoring devices, etc., and is showing great potential as a future energy source.

[0003] At present, the existing operation and maintenance methods of microgrid systems cannot comprehensively operate and maintain and monitor all devices in the microgrid system, and for different devices in the microgrid system, the data generated during their operation and maintenance cannot be analyzed as a whole, resulting in low efficiency in operating and maintaining multiple different devices in the microgrid system. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides an intelligent operation and maintenance method and system for a microgrid system, which can effectively improve the efficiency of operating and maintaining multiple different devices in the microgrid system.

[0005] The technical solution adopted by the present invention is as follows:

[0006] An intelligent operation and maintenance method for a microgrid system includes the following steps: marking each device in the microgrid system, and binding the marked device with the corresponding operation and maintenance equipment; recording in real time the operation and maintenance information of each device in the microgrid system, and transmitting the recorded operation and maintenance information to a monitoring device in real time, and performing information processing on the operation and maintenance information to obtain a corresponding operation and maintenance processing response form; performing information processing on the operation and maintenance interference factors of the operation and maintenance processing response form, and making real-time improvement processing on the corresponding operation and maintenance devices in the information model through the processed results; analyzing the functions and efficiencies of the corresponding operation and maintenance devices for operating and maintaining each device in the microgrid system through different operation and maintenance processing response forms among multiple operation and maintenance devices, and optimizing and combining the analysis results at different levels to predict and manage the working conditions of different operation and maintenance devices.

[0007] In an embodiment of the present invention, the operation and maintenance information of each device in the microgrid system is recorded in real time, and the recorded operation and maintenance information is transmitted to the monitoring device in real time, and the operation and maintenance information is processed to obtain a corresponding operation and maintenance processing response form, specifically including: collecting the device that needs operation and maintenance in the microgrid system and the time stamp of the error reported by the device; collecting the starting time point of the operation and maintenance of the device that needs operation and maintenance in the microgrid system and the error situation of the device in the microgrid system recorded by the operation and maintenance equipment, and visually storing the specific content of the error handling situation to obtain operation and maintenance processing data; transmitting the device that needs operation and maintenance in the microgrid system, the time stamp of the error reported by the device, the starting time point of the operation and maintenance of the device that needs operation and maintenance, and the error situation of the device in the microgrid system to the operation and maintenance unit of the operation and maintenance template; transmitting the operation and maintenance processing data to the verification unit of the operation and maintenance template; obtaining the operation and maintenance processing response form according to the error situation of the device transmitted to the operation and maintenance template and the operation and maintenance processing data.

[0008] In an embodiment of the present invention, the information processing of the operation and maintenance interference factors of the operation and maintenance processing response form is carried out, and the corresponding operation and maintenance device in the information model is subjected to real-time improvement processing of the operation and maintenance interference information through the processed result, specifically including: collecting the time stamp of the error reported by the device in the operation and maintenance processing response form and the starting time point of the operation and maintenance of the device that needs operation and maintenance, and calculating the planned time from the need for operation and maintenance to the start of operation and the operation and maintenance time from the start of operation and maintenance to the end of operation and maintenance; collecting the error situation of the device in the operation and maintenance processing response form, converting the error situation of the device into a digital form, and detecting important components of the error situation, and uploading the detected important components to the error situation information library for investigation to obtain the important components of the same instance and the error ratio related thereto; obtaining the quantity values of the planned time, the operation and maintenance time, and the error ratio and performing optimized arrangement to obtain an operation and maintenance error sequence, transmitting the operation and maintenance error sequence to the corresponding operation and maintenance processing response form, and inputting the information in the operation and maintenance error sequence into the corresponding device that needs to run in the information model for real-time improvement processing of the operation and maintenance interference information.

[0009] In an embodiment of the present invention, the functions and efficiencies of corresponding operation and maintenance devices for each device in the microgrid system are analyzed through different operation and maintenance processing reflection forms in a variety of operation and maintenance devices, and the analysis results at different levels are optimized and combined to predict and manage the working conditions of different operation and maintenance devices. Specifically, it includes: sorting the operation and maintenance error sequences according to the time points of occurrence to obtain the combined operation and maintenance error sequences, and obtaining the operation and maintenance time and error ratio in a variety of operation and maintenance error sequences according to the combined operation and maintenance error sequences; calculating the operation and maintenance utilization rate of each device in the microgrid system according to the operation and maintenance time and error ratio; collecting the corresponding operation and maintenance utilization rates of all devices in the microgrid system, calibrating the average value of the operation and maintenance utilization rates as the peak operation and maintenance utilization rate, and constructing an operation and maintenance utilization detection model according to the peak operation and maintenance utilization rate. By transmitting the corresponding operation and maintenance utilization rates of multiple devices in the microgrid system into the operation and maintenance utilization detection model for analysis to obtain the operation and maintenance utilization situation value, and clarifying the operation and maintenance utilization situation of all devices in the microgrid system; determining whether the operation and maintenance utilization situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance utilization situation; calculating the operation and maintenance efficiency situation value of each device in the microgrid system according to the operation and maintenance time and error ratio, and clarifying the operation and maintenance efficiency situation of all devices in the microgrid system; determining whether the operation and maintenance efficiency situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance efficiency situation; calculating the corresponding operation and maintenance comprehensive number of the devices in the microgrid system according to the operation and maintenance utilization rate and the operation and maintenance efficiency, and performing operation and maintenance management on a variety of devices in the microgrid system according to the operation and maintenance comprehensive number.

[0010] An intelligent operation and maintenance system for a microgrid system includes: a binding module for marking each device in the microgrid system and binding the marked device with the corresponding operation and maintenance equipment; an information processing module for real-time recording the operation and maintenance information of each device in the microgrid system, transmitting the recorded operation and maintenance information to the monitoring device in real time, and performing information processing on the operation and maintenance information to obtain the corresponding operation and maintenance processing reflection form; an improvement module for performing information processing on the operation and maintenance interference factors of the operation and maintenance processing reflection form, and performing real-time improvement processing on the corresponding operation and maintenance devices in the information model according to the processed results; an optimization and combination module for analyzing the functions and efficiencies of the corresponding operation and maintenance devices for each device in the microgrid system through different operation and maintenance processing reflection forms in a variety of operation and maintenance devices, and optimizing and combining the analysis results at different levels to predict and manage the working conditions of different operation and maintenance devices.

[0011] In an embodiment of the present invention, the information processing module is specifically configured to: collect devices in the microgrid system that need to be maintained and the time stamps of errors reported by the devices; collect the starting time points of maintenance for the devices in the microgrid system that need to be maintained and the error conditions of the devices in the microgrid system recorded by the maintenance equipment, and visually store the specific content of the error handling conditions to obtain operation and maintenance processing data; transmit the devices in the microgrid system that need to be maintained, the time stamps of errors reported by the devices, the starting time points of maintenance for the devices that need to be maintained, and the error conditions of the devices in the microgrid system to the operation and maintenance unit of the operation and maintenance template; transmit the operation and maintenance processing data to the verification unit of the operation and maintenance template; and obtain the operation and maintenance processing response form according to the error conditions of the devices transmitted to the operation and maintenance template and the operation and maintenance processing data.

[0012] In an embodiment of the present invention, the improvement module is specifically configured to: collect the time stamps of errors reported by the devices and the starting time points of maintenance for the devices in the operation and maintenance processing response form, and calculate the planned time from the need for maintenance to the start of maintenance and the operation and maintenance time from the start of maintenance to the end of maintenance; collect the error conditions of the devices in the operation and maintenance processing response form, convert the error conditions of the devices into digital forms, and perform important component detection on the error conditions, and upload the detected important components to the error condition information library for troubleshooting to obtain the important components of the same instance and the error ratio related thereto; obtain the values of the planned time, operation and maintenance time, and error ratio and perform an optimized arrangement to obtain an operation and maintenance error sequence, transmit the operation and maintenance error sequence to the corresponding operation and maintenance processing response form, and input the information in the operation and maintenance error sequence into the corresponding devices that need to run in the information model for real-time improvement processing of operation and maintenance interference information.

[0013] In one embodiment of the present invention, the optimization and merging module is specifically configured to: sort the operation and maintenance error sequence according to the time points of occurrence to obtain the merged operation and maintenance error sequence, and obtain the operation and maintenance time and error ratio in various operation and maintenance error sequences according to the merged operation and maintenance error sequence; calculate the operation and maintenance utilization rate of each device in the microgrid system according to the operation and maintenance time and error ratio; collect the operation and maintenance utilization rates of all the devices in the microgrid system, calibrate the average value of the operation and maintenance utilization rates as the peak operation and maintenance utilization value, and construct an operation and maintenance utilization detection model according to the peak operation and maintenance utilization value. Analyze the operation and maintenance utilization rates of multiple devices in the microgrid system through the operation and maintenance utilization detection model to obtain the operation and maintenance utilization situation value, and clarify the operation and maintenance utilization situation of all the devices in the microgrid system; determine whether the operation and maintenance utilization situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance utilization situation; calculate the operation and maintenance efficiency situation value of each device in the microgrid system according to the operation and maintenance time and error ratio, and clarify the operation and maintenance efficiency situation of all the devices in the microgrid system; determine whether the operation and maintenance efficiency situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance efficiency situation; calculate the operation and maintenance comprehensive number of the devices in the microgrid system according to the operation and maintenance utilization rate and the operation and maintenance efficiency, and perform operation and maintenance management on various devices in the microgrid system according to the operation and maintenance comprehensive number.

[0014] Advantages of the present invention:

[0015] In the present invention, each device in the marked microgrid system is bound to the corresponding operation and maintenance device, the operation and maintenance information of each device in the microgrid system is recorded in real time, and transmitted to the monitoring device to obtain the operation and maintenance processing response form. Then, the operation and maintenance interference factors of the operation and maintenance processing response form are processed informatization. Through the processed results, the corresponding operation and maintenance devices in the information model are improved in real time for operation and maintenance interference information. And the functions and efficiencies of the corresponding operation and maintenance devices for maintaining each device in the microgrid system are analyzed through different operation and maintenance processing response forms in various operation and maintenance devices, and the analysis results at different levels are optimized and merged to predict and manage the working conditions of different operation and maintenance devices. Thus, the efficiency of maintaining various different devices in the microgrid system can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a flowchart of the intelligent operation and maintenance method for the microgrid system according to the embodiment of the present invention;

[0017] Figure 2 It is a block diagram of the intelligent operation and maintenance system for the microgrid system according to the embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Figure 1 It is a flowchart of the intelligent operation and maintenance method for the microgrid system of the embodiments of the present invention.

[0020] As Figure 1 shown, the intelligent operation and maintenance method for the microgrid system of the embodiments of the present invention includes the following steps:

[0021] S1. Mark each device in the microgrid system and bind the marked device with the corresponding operation and maintenance equipment.

[0022] In an embodiment of the present invention, the position of each device in the microgrid system and the current operation and maintenance information can be obtained through the microgrid system, and after marking, the current operation and maintenance information of each device is associated and bound with the corresponding operation and maintenance equipment. Among them, the devices in the microgrid system may include distributed power sources, energy storage devices, energy conversion devices, related load devices, monitoring devices, protection devices, etc.

[0023] S2. Record the operation and maintenance information of each device in the microgrid system in real time, and transmit the recorded operation and maintenance information to the monitoring device in real time, and perform information processing on the operation and maintenance information to obtain an operation and maintenance processing response form.

[0024] In an embodiment of the present invention, step S2 may specifically include: collecting the device that needs to be operated and maintained in the microgrid system and the time stamp of the error reported by the device; collecting the start time point of the operation and maintenance of the device that needs to be operated and maintained in the microgrid system and the error situation of the device recorded by the operation and maintenance equipment in the microgrid system, and visually storing the specific content of processing the error situation to obtain operation and maintenance processing data; transmitting the device that needs to be operated and maintained in the microgrid system, the time stamp of the error reported by the device, the start time point of the operation and maintenance of the device that needs to be operated and maintained, and the error situation of the device in the microgrid system to the operation and maintenance unit of the operation and maintenance template; transmitting the operation and maintenance processing data to the verification unit of the operation and maintenance template; obtaining an operation and maintenance processing response form according to the error situation of the device transmitted to the operation and maintenance template and the operation and maintenance processing data.

[0025] In an embodiment of the present invention, for the time stamp of the device error, generally, it needs to be accurate to the second level, and it is detected by the operation and maintenance equipment, and the time stamp corresponding to the error is communicated through the local area network or point-to-point communication.

[0026] In an embodiment of the present invention, the operation and maintenance unit may include, but is not limited to, the device that needs to be operated and maintained, the time stamp of the device error reporting, the starting time point of the operation and maintenance of the device that needs to be operated and maintained, and the device error reporting situation in the microgrid system. The operation and maintenance unit can be improved according to actual requirements. Among them, the device error reporting situation may include phenomena, causes, and processing results.

[0027] S3. Perform informatization processing on the operation and maintenance interference factors of the operation and maintenance processing response form, and perform real-time improvement processing on the corresponding operation and maintenance devices in the information model based on the processed results.

[0028] In an embodiment of the present invention, step S3 may specifically include: collecting the time stamp of the device error reporting and the starting time point of the operation and maintenance of the device that needs to be operated and maintained in the operation and maintenance processing response form, and calculating the planned time from the need for operation and maintenance to the start of operation and maintenance and the operation and maintenance time from the start of operation and maintenance to the end of operation and maintenance; collecting the device error reporting situation in the operation and maintenance processing response form, converting the device error reporting situation into a digital form, performing important component detection on the error reporting situation, and uploading the detected important components to the error reporting situation information database for troubleshooting to obtain the important components of the same instance and the error reporting ratio related to them; obtaining the values of the planned time, operation and maintenance time, and error reporting ratio and performing optimization arrangement to obtain the operation and maintenance error reporting sequence, transmitting the operation and maintenance error reporting sequence to the corresponding operation and maintenance processing response form, and inputting the information in the operation and maintenance error reporting sequence into the corresponding device that needs to run in the information model for real-time improvement processing of the operation and maintenance interference information.

[0029] In an embodiment of the present invention, a device error reporting situation information set may be preset. In the device error reporting situation information set, there may be stored various important components and the error reporting ratios caused by the important components, and each important component may correspond to an error reporting ratio in advance. Among them, the error reporting ratio can be used to express the errors caused by various important components in digital form, and the specific error reporting ratio can be determined by professional staff.

[0030] S4. Analyze the functions and efficiencies of the corresponding operation and maintenance devices for each device in the microgrid system through different operation and maintenance processing response forms of various operation and maintenance devices, and optimize and merge the analysis results at different levels to predict and manage the working conditions of different operation and maintenance devices.

[0031] In an embodiment of the present invention, step S4 specifically includes: sorting the operation and maintenance error sequences according to the occurrence time points to obtain the combined operation and maintenance error sequences, and obtaining the operation and maintenance time and error ratio in various operation and maintenance error sequences according to the combined operation and maintenance error sequences; calculating the operation and maintenance utilization rate of each device in the microgrid system according to the operation and maintenance time and error ratio; collecting the corresponding operation and maintenance utilization rates of all devices in the microgrid system, calibrating the average value of the operation and maintenance utilization rates as the peak operation and maintenance value, and constructing an operation and maintenance utilization detection model based on the peak operation and maintenance value. Analyzing the corresponding operation and maintenance utilization rates of multiple devices in the microgrid system through the operation and maintenance utilization detection model to obtain the operation and maintenance utilization situation value, and determining the operation and maintenance utilization situations of all devices in the microgrid system; determining whether the operation and maintenance utilization situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance utilization situation; calculating the operation and maintenance efficiency situation value of each device in the microgrid system according to the operation and maintenance time and error ratio, and determining the operation and maintenance efficiency situations of all devices in the microgrid system; determining whether the operation and maintenance efficiency situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance efficiency situation; calculating the corresponding operation and maintenance comprehensive number of the devices in the microgrid system according to the operation and maintenance utilization rate and operation and maintenance efficiency, and performing operation and maintenance management on various devices in the microgrid system according to the operation and maintenance comprehensive number.

[0032] Specifically, first, when sorting the operation and maintenance error sequences to obtain the combined operation and maintenance error sequences, the total amount m of the combined operation and maintenance error sequences can be sorted out, and the operation and maintenance time A and error ratio Q in various combined operation and maintenance error sequences can be collected through the operation and maintenance error sequences. j , j = 1, 2, 3... m.

[0033] Secondly, when analyzing various operation and maintenance devices, the operation and maintenance utilization rate matched by each operation and maintenance device can be calculated through data normalization. Among them, the calculation formula of the operation and maintenance utilization rate is:

[0034]

[0035] Among them, x1 and x2 are proportionality coefficients, and x1 and x2 belong to (0, 1), and x1 is less than or equal to x2.

[0036] In an embodiment of the present invention, the operation and maintenance utilization detection model can be expressed as:

[0037]

[0038] Among them, C' is the peak operation and maintenance value.

[0039] Furthermore, it can be determined whether the operation and maintenance utilization situation of the devices in the microgrid system is normal or abnormal through the value of 0 or 1 of the operation and maintenance utilization situation.

[0040] In an embodiment of the present invention, the operation and maintenance efficiency situation value K can be expressed as:

[0041]

[0042] Among them, A0 is the calibrated operation and maintenance time corresponding to various error reporting situation ratios, and the calibrated operation and maintenance time can be determined by the average value of the times corresponding to all past error reporting situation ratios.

[0043] Furthermore, the corresponding operation and maintenance efficiency situation of the devices in the microgrid system can be determined to be normal or abnormal by the operation and maintenance efficiency situation being 0 or 1.

[0044] In an embodiment of the present invention, the comprehensive operation and maintenance number can be expressed as:

[0045] K′ = x1*C + x2*D

[0046] Among them, x1 + x2 = 1, D is the operation and maintenance efficiency, and the expression of the operation and maintenance efficiency is:

[0047]

[0048] In an embodiment of the present invention, when performing operation and maintenance on multiple operation and maintenance devices, all the operation and maintenance devices can be sorted according to the value of the comprehensive operation and maintenance number, and the top K operation and maintenance devices with the comprehensive operation and maintenance number of the operation and maintenance devices are selected for targeted optimization management.

[0049] In the embodiment of the present invention, by marking each device in the microgrid system and binding it to the corresponding operation and maintenance device, the operation and maintenance information of each device in the microgrid system is recorded in real time and transmitted to the monitoring device to obtain an operation and maintenance processing response form, and then the operation and maintenance interference factors in the operation and maintenance processing response form are processed informatization. Through the processed results, the corresponding operation and maintenance devices in the information model are subjected to real-time improvement processing of operation and maintenance interference information, and the functions and efficiencies of the corresponding operation and maintenance devices for maintaining each device in the microgrid system are analyzed through different operation and maintenance processing response forms in multiple operation and maintenance devices, and the analysis results at different levels are optimized and combined to predict and manage the working conditions of different operation and maintenance devices. Thus, the efficiency of performing operation and maintenance on multiple different devices in the microgrid system can be effectively improved.

[0050] To implement the intelligent operation and maintenance method of the microgrid system in the above embodiment, the present invention also proposes an intelligent operation and maintenance system for the microgrid system.

[0051] Figure 2 It is a block diagram of the intelligent operation and maintenance system for the microgrid system in the embodiment of the present invention.

[0052] Such as Figure 2As shown in the figure, the intelligent operation and maintenance system of the microgrid system in the embodiment of the present invention includes: a binding module 100, an information processing module 200, an improvement module 300, and an optimization and merging module 400. Among them, the binding module 100 is used to mark each device in the microgrid system and bind the marked device to the corresponding operation and maintenance equipment; the information processing module 200 is used to record the operation and maintenance information of each device in the microgrid system in real time, and transmit the recorded operation and maintenance information to the monitoring device in real time, and process the operation and maintenance information to obtain an operation and maintenance processing response form; the improvement module 300 is used to perform informatization processing on the operation and maintenance interference factors in the operation and maintenance processing response form, and perform real-time improvement processing on the corresponding operation and maintenance devices in the information model through the processed results; the optimization and merging module 400 is used to analyze the functions and efficiencies of the corresponding operation and maintenance devices for each device in the microgrid system through different operation and maintenance processing response forms in multiple operation and maintenance devices, and optimize and merge the analysis results at different levels to predict and manage the working conditions of different operation and maintenance devices.

[0053] In an embodiment of the present invention, the binding module 100 can obtain the location of each device in the microgrid system and its current operation and maintenance information through the microgrid system, and after marking, associate and bind the current operation and maintenance information of each device to the corresponding operation and maintenance equipment. Among them, the devices in the microgrid system can include distributed power sources, energy storage devices, energy conversion devices, related load devices, monitoring devices, protection devices, etc.

[0054] In an embodiment of the present invention, the information processing module 200 can specifically be used to: collect the devices in the microgrid system that need to be operated and maintained and the time stamps of the device errors; collect the start time points of the operation and maintenance of the devices in the microgrid system that need to be operated and maintained and the device error situations recorded by the operation and maintenance equipment in the microgrid system, and visually store the specific content of the error handling situation to obtain operation and maintenance processing data; transmit the devices in the microgrid system that need to be operated and maintained, the time stamps of the device errors, the start time points of the operation and maintenance of the devices that need to be operated and maintained, and the device error situations in the microgrid system to the operation and maintenance unit of the operation and maintenance template; transmit the operation and maintenance processing data to the verification unit of the operation and maintenance template; obtain the operation and maintenance processing response form according to the device error situations transmitted to the operation and maintenance template and the operation and maintenance processing data.

[0055] In an embodiment of the present invention, for the time stamps of device errors, generally, they need to be accurate to the second level, detected by the operation and maintenance equipment, and the corresponding error time stamps are obtained through the local area network or point-to-point communication.

[0056] In an embodiment of the present invention, the operation and maintenance unit may include, but is not limited to, the device that needs operation and maintenance, the time stamp of the error reported by the device, the starting time point of the operation and maintenance of the device that needs operation and maintenance, and the error situation of the devices in the microgrid system. The operation and maintenance unit can be improved according to actual requirements. Among them, the device error situation may include the phenomenon, cause, and processing result.

[0057] In an embodiment of the present invention, the improvement module 300 may be specifically configured to: collect the time stamp of the device error reported in the operation and maintenance processing response form and the starting time point of the operation and maintenance of the device that needs operation and maintenance, and calculate the planned time from the need for operation and maintenance to the start of operation and maintenance and the operation and maintenance time from the start of operation and maintenance to the end of operation and maintenance; collect the device error situation in the operation and maintenance processing response form, convert the device error situation into a digital form, and perform important component detection on the error situation, and upload the detected important components to the error situation information library for troubleshooting to obtain the important components of the same instance and the error ratio related to them; optimize the arrangement of the planned time, operation and maintenance time, and error ratio to obtain an operation and maintenance error sequence, and perform information transmission between the operation and maintenance error sequence and the operation and maintenance processing response form, and input the information in the operation and maintenance error sequence into the corresponding device that needs to run in the information model for real-time improvement processing of operation and maintenance interference information.

[0058] In an embodiment of the present invention, a device error situation information set may be preset. In the device error situation information set, there may be stored various important components and the error ratio caused by the important components. And for each important component, an error ratio can be correspondingly preset in advance. Among them, the error ratio can be used to express the errors caused by various important components in digital form, and the specific error ratio can be determined by professional staff.

[0059] In an embodiment of the present invention, the optimization and merging module 400 may be specifically configured to: sort the operation and maintenance error sequences according to the occurrence time points to obtain the merged operation and maintenance error sequences, and obtain the operation and maintenance time and error ratio in multiple operation and maintenance error sequences according to the merged operation and maintenance error sequences; calculate the operation and maintenance utilization rate of each device in the microgrid system according to the operation and maintenance time and error ratio; collect the corresponding operation and maintenance utilization rates of all devices in the microgrid system, and calibrate the average value of the operation and maintenance utilization rates as the operation and maintenance peak value, and construct an operation and maintenance utilization rate detection model according to the operation and maintenance peak value. By transmitting the corresponding operation and maintenance utilization rates of multiple devices in the microgrid system to the operation and maintenance utilization rate detection model for analysis to obtain the operation and maintenance utilization rate situation value, and determine the operation and maintenance utilization rate situation of all devices in the microgrid system; determine whether the operation and maintenance utilization rate situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance utilization rate situation; calculate the operation and maintenance efficiency situation value of each device in the microgrid system according to the operation and maintenance time and error ratio, and determine the operation and maintenance efficiency situation of all devices in the microgrid system; determine whether the operation and maintenance efficiency situation of the devices in the microgrid system is normal or abnormal according to the operation and maintenance efficiency situation; calculate the corresponding operation and maintenance comprehensive number of the devices in the microgrid system according to the operation and maintenance utilization rate and operation and maintenance efficiency, and perform operation and maintenance management on various devices in the microgrid system according to the operation and maintenance comprehensive number.

[0060] Specifically, first, when sorting the operation and maintenance error sequences to obtain the merged operation and maintenance error sequences, the total amount m of the merged operation and maintenance error sequences can be sorted out, and the operation and maintenance time A and error ratio Q in multiple merged operation and maintenance error sequences can be collected through the operation and maintenance error sequences j , j = 1, 2, 3... m.

[0061] Secondly, when analyzing multiple operation and maintenance devices, the operation and maintenance utilization rate matched by each operation and maintenance device can be calculated through data normalization. Among them, the calculation formula of the operation and maintenance utilization rate is:

[0062]

[0063] Among them, x1 and x2 are proportionality coefficients, and x1 and x2 belong to (0, 1), and x1 is less than or equal to x2.

[0064] In an embodiment of the present invention, the operation and maintenance utilization rate detection model can be expressed as:

[0065]

[0066] Among them, C' is the operation and maintenance peak value.

[0067] Furthermore, it can be determined whether the operation and maintenance utilization rate situation of the devices in the microgrid system is normal or abnormal through the value of 0 or 1 of the operation and maintenance utilization rate situation.

[0068] In an embodiment of the present invention, the operation and maintenance efficiency situation value K can be expressed as:

[0069]

[0070] Wherein, A0 is the calibrated operation and maintenance time corresponding to various error reporting situation ratios, and the calibrated operation and maintenance time can be determined by the average value of the times corresponding to all the error reporting situation ratios in the past.

[0071] Furthermore, the corresponding operation and maintenance efficiency situation of the device in the microgrid system can be determined to be normal or abnormal by the operation and maintenance efficiency situation value of 0 or 1.

[0072] In an embodiment of the present invention, the operation and maintenance comprehensive number can be expressed as:

[0073] K′ = x1*C + x2*D

[0074] Wherein, x1 + x2 = 1, D is the operation and maintenance efficiency, and the expression of the operation and maintenance efficiency is:

[0075]

[0076] In an embodiment of the present invention, when performing operation and maintenance on multiple operation and maintenance devices, all the operation and maintenance devices can be sorted according to the value of the operation and maintenance comprehensive number, and the top K operation and maintenance devices with the operation and maintenance comprehensive number of the operation and maintenance devices are selected and targeted optimization management is carried out.

[0077] In summary, the present invention binds each device in the marked microgrid system through the binding module and binds it to the corresponding operation and maintenance device, records the operation and maintenance information of each device in the microgrid system in real time, and transmits it to the monitoring device to obtain the operation and maintenance processing response form. Then, the information processing module performs information processing on the operation and maintenance interference factors of the operation and maintenance processing response form, and the improvement module performs real-time improvement processing on the corresponding operation and maintenance device in the information model for the operation and maintenance interference information. And through the optimization and merging module to analyze the functions and efficiencies of the corresponding operation and maintenance devices for each device in the microgrid system, and optimize and merge the analysis results at different levels to predict and manage the working conditions of different operation and maintenance devices. Thus, the efficiency of performing operation and maintenance on multiple different devices in the microgrid system can be effectively improved.

[0078] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "plurality" is two or more, unless otherwise specifically defined.

[0079] In the present invention, unless otherwise clearly defined or limited, terms such as "installed", "connected", "coupled", "fixed", etc. shall be construed broadly. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0080] In the present invention, unless otherwise clearly defined or limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0081] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0082] Any process or method description shown in a flowchart or described in other ways herein can be understood as representing a module, segment, or part of code including one or more executable instructions for implementing a specific logical function or process. The scope of the preferred embodiments of the present invention includes additional implementations, where the functions may be executed in a manner that is not shown or discussed, including in a substantially simultaneous manner or in a reverse order according to the functions involved, which should be understood by those skilled in the art to which the embodiments of the present invention pertain.

[0083] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a definite sequence list of executable instructions for implementing logical functions, and can be specifically implemented in any computer-readable medium for use by an instruction execution system, apparatus, or device (such as a computer-based system, a system including a processor, or other systems that can fetch and execute instructions from the instruction execution system, apparatus, or device), or used in combination with these instruction execution systems, apparatuses, or devices. For the purposes of this specification, a "computer-readable medium" can be any device that can contain, store, communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. More specific examples (non-exhaustive list) of computer-readable media include the following: electrical connection parts with one or more wirings (electronic devices), portable computer disk cartridges (magnetic devices), random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber devices, and portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium can even be paper or other suitable media on which the program can be printed, because the program can be obtained electronically, for example, by optically scanning the paper or other media, followed by editing, interpretation, or other appropriate processing as necessary, and then stored in a computer memory.

[0084] It should be understood that various parts of the present invention can be implemented by hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, any one or a combination of the following techniques well known in the art can be used: discrete logic circuits with logic gate circuits for implementing logical functions on data signals, application-specific integrated circuits with suitable combinational logic gate circuits, programmable gate arrays (PGA), field programmable gate arrays (FPGA), etc.

[0085] Those of ordinary skill in the art of this technology can understand that all or part of the steps carried by the method of implementing the above embodiments can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium. When the program is executed, it includes one or a combination of the steps of the method embodiments.

[0086] In addition, in each embodiment of the present invention, each functional unit can be integrated into a processing module, or each unit can exist physically alone, or two or more units can be integrated into one module. The above integrated module can be implemented in the form of hardware or in the form of a software functional module. When the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it can also be stored in a computer-readable storage medium.

[0087] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. An intelligent operation and maintenance method for a microgrid system, characterized in that, It includes the following steps: Mark each device in the microgrid system, and bind the marked device to the corresponding operation and maintenance equipment; Record the operation and maintenance information of each device in the microgrid system in real time, transmit the recorded operation and maintenance information to the monitoring device in real time, and process the operation and maintenance information to obtain the corresponding operation and maintenance processing response form; Perform information processing on the operation and maintenance interference factors in the operation and maintenance processing response form, and perform real-time improvement processing on the corresponding operation and maintenance devices in the information model according to the processed results; Analyze the functions and efficiencies of the corresponding operation and maintenance devices for each device in the microgrid system through different operation and maintenance processing response forms in a variety of operation and maintenance devices, and optimize and merge the analysis results at different levels to predict and manage the working conditions of different operation and maintenance devices.

2. The intelligent operation and maintenance method of the microgrid system according to claim 1, characterized in that The real-time recording of the operation and maintenance information of each device in the microgrid system, transmitting the recorded operation and maintenance information to the monitoring device in real time, and processing the operation and maintenance information to obtain the corresponding operation and maintenance processing response form specifically includes: Collect the devices that need operation and maintenance in the microgrid system and the time stamps of the device errors; Collect the starting time points of the operation and maintenance of the devices that need operation and maintenance in the microgrid system and the device error conditions recorded by the operation and maintenance equipment, and visually store the specific contents of the error handling conditions to obtain operation and maintenance processing data; Transmit the devices that need operation and maintenance in the microgrid system collected, the time stamps of the device errors, the starting time points of the operation and maintenance of the devices that need operation and maintenance, and the device error conditions in the microgrid system to the operation and maintenance unit of the operation and maintenance template; Transmit the operation and maintenance processing data to the verification unit of the operation and maintenance template; Obtain the operation and maintenance processing response form according to the device error conditions and operation and maintenance processing data transmitted to the operation and maintenance template.

3. The intelligent operation and maintenance method of the microgrid system according to claim 2, wherein The information processing of the operation and maintenance interference factors in the operation and maintenance processing response form, and performing real-time improvement processing on the corresponding operation and maintenance devices in the information model according to the processed results specifically includes: Collect the time stamps of the device errors in the operation and maintenance processing response form and the starting time points of the operation and maintenance of the devices that need operation and maintenance, and calculate the planned time from the need for operation and maintenance to the start of operation and the operation and maintenance time from the start of operation and maintenance to the end of operation and maintenance; Collect the device error conditions in the operation and maintenance processing response form, convert the device error conditions into digital form, perform important component detection on the error conditions, and upload the detected important components to the error condition information library for troubleshooting to obtain the important components of the same instance and the error ratio related to them; Obtain the values of the planned time, operation and maintenance time, and error ratio, optimize and arrange them to obtain the operation and maintenance error sequence, transmit the operation and maintenance error sequence to the corresponding operation and maintenance processing response form, and input the information in the operation and maintenance error sequence into the corresponding devices that need to run in the information model for real-time improvement processing of operation and maintenance interference information.

4. The intelligent operation and maintenance method of the microgrid system according to claim 3, characterized in that Parsing the functions and efficiencies of corresponding operation and maintenance devices for each device in the microgrid system through different operation and maintenance processing reflection forms in multiple operation and maintenance devices, and optimizing and combining the parsing results at different levels to predict and manage the working conditions of different operation and maintenance devices, specifically including: Sorting the operation and maintenance error sequences according to the occurrence time points to obtain the combined operation and maintenance error sequences, and obtaining the operation and maintenance time and error ratio in multiple operation and maintenance error sequences according to the combined operation and maintenance error sequences; Calculating the operation and maintenance utilization rate of each device in the microgrid system according to the operation and maintenance time and error ratio; Collecting the operation and maintenance utilization rates of all devices in the microgrid system, calibrating the average value of the operation and maintenance utilization rates as the operation and maintenance utilization peak value, and constructing an operation and maintenance utilization detection model according to the operation and maintenance utilization peak value. Analyzing by transmitting the operation and maintenance utilization rates of multiple devices in the microgrid system to the operation and maintenance utilization detection model to obtain the operation and maintenance utilization situation value, and clarifying the operation and maintenance utilization situations of all devices in the microgrid system; Determining whether the operation and maintenance utilization situation of the device in the microgrid system is normal or abnormal according to the operation and maintenance utilization situation; Calculating the operation and maintenance efficiency situation value of each device in the microgrid system according to the operation and maintenance time and error ratio, and clarifying the operation and maintenance efficiency situations of all devices in the microgrid system; Determining whether the operation and maintenance efficiency situation of the device in the microgrid system is normal or abnormal according to the operation and maintenance efficiency situation; Calculating the operation and maintenance comprehensive number of the device in the microgrid system according to the operation and maintenance utilization rate and the operation and maintenance efficiency, and performing operation and maintenance management on multiple devices in the microgrid system according to the operation and maintenance comprehensive number.

5. An intelligent operation and maintenance system for a microgrid system, characterized in that, Including: A binding module for marking each device in the microgrid system and binding the marked device with the corresponding operation and maintenance equipment; An information processing module for recording in real time the operation and maintenance information of each device in the microgrid system, transmitting the recorded operation and maintenance information to the monitoring device in real time, and performing information processing on the operation and maintenance information to obtain the corresponding operation and maintenance processing reflection form; An improvement module for performing informatization processing of operation and maintenance interference factors on the operation and maintenance processing reflection form, and performing real-time improvement processing on the corresponding operation and maintenance devices in the information model according to the processed results; An optimization and combination module for parsing the functions and efficiencies of corresponding operation and maintenance devices for each device in the microgrid system through different operation and maintenance processing reflection forms in multiple operation and maintenance devices, and optimizing and combining the parsing results at different levels to predict and manage the working conditions of different operation and maintenance devices.

6. The intelligent operation and maintenance system of the microgrid system according to claim 5, characterized in that, The information processing module is specifically used for: Collecting the devices that need to be maintained in the microgrid system and the time stamps of the errors of the devices; Collect the starting time points for operation and maintenance of the devices in the microgrid system that need to be operated and maintained, and the device error reporting situations recorded by the operation and maintenance equipment, and visually store the specific content of handling the error reporting situations to obtain operation and maintenance processing data; Transmit the devices in the microgrid system that need to be operated and maintained, the time stamps of the errors reported by the devices, the starting time points for operation and maintenance of the devices that need to be operated and maintained, and the device error reporting situations in the microgrid system to the operation and maintenance unit of the operation and maintenance template; Transmit the operation and maintenance processing data to the verification unit of the operation and maintenance template; Obtain the operation and maintenance processing reflection form according to the device error reporting situations and operation and maintenance processing data transmitted to the operation and maintenance template.

7. The intelligent operation and maintenance system of the microgrid system according to claim 6, characterized in that, The improvement module is specifically used for: Collect the time stamps of the device errors reported in the operation and maintenance processing reflection form, the starting time points for operation and maintenance of the devices that need to be operated and maintained, and calculate the planned time from the need for operation and maintenance to the start of operation and maintenance and the operation and maintenance time from the start of operation and maintenance to the end of operation and maintenance; Collect the device error reporting situations in the operation and maintenance processing reflection form, convert the device error reporting situations into digital forms, perform important component detection on the error reporting situations, and upload the detected important components to the error reporting situation information library for troubleshooting to obtain important components of the same instance and the error reporting ratio related to them; Obtain the values of the planned time, operation and maintenance time, and error reporting ratio and perform optimized arrangement to obtain the operation and maintenance error reporting sequence, transmit the operation and maintenance error reporting sequence to the corresponding operation and maintenance processing reflection form, and input the information in the operation and maintenance error reporting sequence into the corresponding devices that need to run in the information model for real-time improvement processing of operation and maintenance interference information.

8. The intelligent operation and maintenance system of the microgrid system according to claim 7, characterized in that, The optimization and merging module is specifically used for: Sort the operation and maintenance error reporting sequence according to the occurring time points to obtain the operation and maintenance error reporting sequence combination, and obtain the operation and maintenance time and error reporting ratio in multiple operation and maintenance error reporting sequences according to the operation and maintenance error reporting sequence combination; Calculate the operation and maintenance utilization rate of each device in the microgrid system according to the operation and maintenance time and error reporting ratio; Collect the corresponding operation and maintenance utilization rates of all the devices in the microgrid system, calibrate the average value of the operation and maintenance utilization rates as the operation and maintenance utilization peak value, and construct an operation and maintenance utilization detection model according to the operation and maintenance utilization peak value. Analyze by transmitting the corresponding operation and maintenance utilization rates of multiple devices in the microgrid system to the operation and maintenance utilization detection model to obtain the operation and maintenance utilization situation value, and clarify the operation and maintenance utilization situations of all the devices in the microgrid system; Determine whether the operation and maintenance utilization situation of the devices in the microgrid system is normal or abnormal through the operation and maintenance utilization situation; Calculate the operation and maintenance efficiency situation value of each device in the microgrid system according to the operation and maintenance time and error reporting ratio, and clarify the operation and maintenance efficiency situations of all the devices in the microgrid system; Determine whether the operation and maintenance efficiency situation of the devices in the microgrid system is normal or abnormal through the operation and maintenance efficiency situation; Calculate the corresponding operation and maintenance comprehensive numbers of the devices in the microgrid system according to the operation and maintenance utilization rate and the operation and maintenance efficiency, and perform operation and maintenance management on various devices in the microgrid system according to the operation and maintenance comprehensive numbers.

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