CN220627256U - Multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system - Google Patents

Multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system Download PDF

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Publication number
CN220627256U
CN220627256U CN202322277237.1U CN202322277237U CN220627256U CN 220627256 U CN220627256 U CN 220627256U CN 202322277237 U CN202322277237 U CN 202322277237U CN 220627256 U CN220627256 U CN 220627256U
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fault
voltage
phase
simulation
power supply
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陈羿宇
韦旭
农蔚涛
国家栋
罗令先
黄剑锋
马光华
杨勤
唐秋
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Training And Evaluation Center Of Guangxi Power Grid Co ltd
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Training And Evaluation Center Of Guangxi Power Grid Co ltd
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Abstract

The application discloses many trouble scene measurement fortune dimension full-flow intelligence emulation comprehensive training examination system includes: the device comprises a low-voltage cabinet, a three-phase virtual power load, a multifunctional plastic insulation mounting plate, a control and voltage regulation device, a detection device, a three-phase metering scene simulation device through a transformer, an electrified ignition simulation device and a computer; the low-voltage cabinet comprises a power supply main switch, a virtual load power supply area, an equipment installation area, a material and tool storage box, wherein the three-phase virtual power supply load is arranged in the virtual load power supply area, and the electrified ignition simulation device, the control and voltage regulation device, the detection device and the multifunctional plastic insulation installation plate are installed in the equipment installation area; the three-phase metering scene simulation device is arranged on the multifunctional plastic insulation mounting plate through a transformer; the detection device is in communication connection with the computer. The method and the device solve the problem that safety and business skill training assessment are separated from an on-site operation environment.

Description

Multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system
Technical Field
The utility model discloses a multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system, and belongs to the field of electric energy metering and metering automation. The multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system utilizes advanced technologies such as virtual load, fault simulation, network communication, intelligent control, big data analysis and the like to form a full-flow real-scene simulation reduction of an operation process, and integrates typical safety risk content to realize real training of operation skills and real training of safety skills such as installation, fire connection, debugging, acquisition monitoring, fault investigation processing, data analysis and the like of a low-voltage electric energy metering device, and provides a comprehensive, full-process and installation wiring safety and flexible adjustment real operation training and checking platform for students in the form of real scenes, practical conditions and practical sense.
Background
Along with the completion of two full coverage of the intelligent electric meter of the power grid and the low-voltage centralized meter reading, the change of equipment and business brings new challenges to the installation and debugging, on-site operation and maintenance, acquisition and monitoring and service of the electric energy metering device of the power grid, and has higher requirements on the safety business skills of operation and maintenance personnel. Meanwhile, the power grid is used for installing an electric energy metering device, the number of workers in low-voltage centralized meter reading operation and maintenance is huge, the skill level of security business is generally low, the risk of the workers in the metering operation and maintenance is particularly remarkable, meter loading is not standard, wrong wiring, failure in finding and processing can not be found, and the metering accuracy, automatic meter reading rate, line loss rate, customer satisfaction and the like are affected. Therefore, in order to enable students and skills staff to develop live safety business skill training and assessment such as live-line fire connection, low-voltage centralized meter reading fault investigation, electricity utilization acquisition monitoring and the like in a practical training field, various faults, potential safety hazards and safety risks can be experienced, a multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training assessment system is designed, equipment faults and safety risks common to a low-voltage metering device installation scene and an operation and maintenance operation field can be restored through the system, metering acquisition equipment installation and debugging of students and skills staff, problem investigation capability, safety awareness and safety skills are improved, and requirements of comprehensive full-flow training assessment of safety and business skills are met.
Disclosure of Invention
The embodiment of the application aims to provide a multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, which can simulate the real installation, debugging and fault environment of low-voltage metering operation and maintenance field operation, restore the field installation, electrified fire connection, debugging and common equipment faults, collect communication faults, safety risks, potential safety hazards and the like of the low-voltage metering operation and maintenance operation staff, and is used for solving the problems that safety and business skill full-flow training and checking are carried out on the low-voltage metering operation and maintenance staff according to the field operation steps, the safety skill of the operation staff is improved, the installation and debugging quality and the problem checking capability are improved, and the safety and business skill training and checking is truly solved.
In order to achieve the above purpose, the embodiments of the present application are achieved by the following technical solutions.
The embodiment of the application provides a multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, which comprises the following components:
the device comprises a low-voltage cabinet, a three-phase virtual power load, a multifunctional plastic insulation mounting plate, a control and voltage regulation device, a detection device, a three-phase metering scene simulation device through a transformer, an electrified ignition simulation device and a computer;
the low-voltage cabinet comprises a power supply main switch, a virtual load power supply area, an equipment installation area, a material and tool storage box, wherein the power supply main switch is a main switch of the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system; the three-phase virtual power supply load is arranged in the virtual load power supply area, and the electrified ignition simulation device, the control and voltage regulation device, the detection device and the multifunctional plastic insulation mounting plate are mounted in the equipment mounting area; the three-phase metering scene simulation device is arranged on the multifunctional plastic insulation mounting plate through a transformer;
the detection device is in communication connection with the computer, and is used for detecting a fault setting state and a signal return state and transmitting the detected fault setting state and the signal return state to the computer.
In the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, the virtual load power supply area is also provided with a three-phase voltage and current indicating instrument and a fault indicating and audible and visual alarm device;
the fault indication and audible and visual alarm device is used for prompting the type of wiring error.
In the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, the virtual load power supply area is also provided with a cabinet/box body outer shell leakage control device and a voltage regulation and monitoring device.
In the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system further comprises a power supply indicating instrument, wherein the power supply indicating instrument is arranged at the top end of the low-voltage cabinet and used for indicating whether the low-voltage cabinet is electrified or not.
In the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, the three-phase virtual power load consists of a power isolation transformer, a current booster and a peripheral protection circuit.
In the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, the control and voltage regulating device comprises a power source, a control circuit and a first instrument, wherein the power source adopts a safe output voltage of 36V to simulate an actual leakage fault; the control circuit is used for guaranteeing that the amplitude of each phase of a three-phase source of the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system is independently adjusted; the first instrument is used for collecting voltage parameters of the three-phase circuit.
In the intelligent comprehensive training and checking system for the whole flow of the multi-fault scene metering operation and maintenance, the three-phase through-transformer metering scene simulation device comprises an incoming line molded case circuit breaker, an outgoing line molded case circuit breaker, a current transformer, a transformer type simulation electric energy meter, a three-phase four-wire metering test junction box, a simulation concentrator, a three-phase 4P open, a guide rail and a primary junction box, wherein the simulation concentrator is respectively and electrically connected with a first instrument and a computer and is used for transmitting voltage parameters to the computer.
In the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system, the electrified ignition simulation device comprises an overhead line power switch, a transformer, an overhead power wire and a safety voltage electroscope with the voltage of 36V or below.
According to the multi-fault-scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system, a low-voltage cabinet, a three-phase virtual power supply load, a multifunctional plastic insulation mounting plate, a control and voltage regulating device, a detection device, a three-phase through-transformer metering scene simulation device, an electrified fire connection simulation device and a computer are configured, so that an on-site low-voltage metering device operation and operation scene is completely and truly built, safety and business skill full-flow training and checking is carried out by low-voltage metering operation staff according to on-site operation steps, safety skills of the staff can be improved, installation and debugging quality and problem checking capability are improved, and the technical problem that safety and business skill training and checking are separated from an on-site operation environment is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described, the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a block diagram of a multi-fault scenario metering operation and maintenance full-flow intelligent simulation training and assessment system in some embodiments;
FIG. 2 is a schematic block diagram of a multiple fault scenario metering operation and maintenance full-flow intelligent simulation training and assessment system of the present utility model in some embodiments;
FIG. 3 is a schematic block diagram of voltage control and regulation in accordance with the present utility model;
FIG. 4 is a schematic block diagram of a metering automation simulation system of the present utility model;
reference numerals illustrate:
1. the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system;
10. a low-voltage cabinet; 11. a virtual load power supply region; 111. three-phase voltage and current indicating instrument; 112. fault indication and audible and visual alarm device; 113. the electric leakage control device of the cabinet/box body shell; 114. voltage regulating and monitoring device; 12. an equipment installation area; 121. installing a wiring area; 13. a material and tools storage box;
20. a three-phase virtual power supply load;
30. multifunctional plastic insulation mounting plate;
40. control and voltage regulation means;
50. a detection device;
60. the three phases pass through a transformer metering scene simulation device;
70. and the electrified ignition simulation device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
The technical scheme of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the application provides a multi-fault-scenario metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system 1, which comprises a low-voltage cabinet 10, a three-phase virtual power load 20, a multifunctional plastic insulation mounting plate 30, a control and voltage regulating device 40, a detecting device 50, a three-phase transformer metering scenario simulation device 60, a charged fire connection simulation device 70 and a computer (not shown in the figure);
the low-voltage cabinet 10 comprises a power supply main switch (not shown in fig. 1), a virtual load power supply area 11, an equipment installation area 12 and a material and tool storage box 13, wherein the power supply main switch is a main switch of the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system 1; the three-phase virtual power load 20 is arranged in the virtual load power supply area 11, and the charged ignition simulation device 70, the control and voltage regulation device 40, the detection device 50 and the multifunctional plastic insulation mounting plate 30 are mounted in the equipment mounting area 12; the three-phase metering scene simulation device 60 is arranged on the multifunctional plastic insulation mounting plate 30;
the detection device 50 is in communication connection with the computer, and the detection device 50 is used for detecting a fault setting state and a signal return state and transmitting the detected fault setting state and the signal return state to the computer.
The three-phase through-transformer metering scene simulation device 60 is internally provided with an incoming line molded case circuit breaker, an outgoing line molded case circuit breaker (with a tripping coil), a current transformer, a transformer type simulation electric energy meter, a three-phase four-wire metering test junction box, a simulation concentrator, a three-phase 4P open circuit, a guide rail, a primary junction box and the like.
The multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system 1 further comprises a software part, wherein the software part comprises a low-voltage centralized meter reading simulation practical training master station and fault setting software, and the low-voltage centralized meter reading simulation practical training master station is separated from the fault setting software.
The low-voltage cabinet 10 adopts a special fixed integral electric energy metering cabinet structure style and is arranged in layers. The upper layer is the virtual load power supply area 11, the middle layer is the equipment installation area 12, and the bottom layer is the material and tools storage box 13. The virtual load power supply area 11 is also provided with a three-phase voltage and current indicator 111 and a fault indication and audible and visual alarm device 112.
The fault indication and audible and visual alarm 112 is a voltage and current fault indication and audible and visual alarm 112.
The virtual load power supply area 11 is also provided with a cabinet/box housing leakage control device 113 and a voltage regulation and monitoring device 114.
The power supply main switch is a virtual power supply load main power supply switch and is also a main power supply switch of the whole system.
The multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system 1 further comprises a power supply indicating instrument, wherein the power supply indicating instrument is installed at the top end of the low-voltage cabinet 10 and used for indicating whether the low-voltage cabinet 10 is electrified. When the power supply main switch is closed, the voltage indicates 220V; when the voltage and current fault indication and audible and visual alarm device 112 detects that the metering voltage loop or the current loop of the installation wiring area 121 is in wiring fault, the corresponding indicator lamp is lighted and gives out alarm sound to prompt the type of wiring fault.
The mounting wiring area 121 is disposed on the multifunctional plastic insulating mounting board 30.
The three-phase virtual power load 20 is placed in the low-voltage cabinet 10, and is composed of a power isolation transformer, a current booster and a peripheral protection circuit, and provides voltage, current, indication signals and the like for the electric energy metering device of the installation wiring area 121. When the operator uses the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system 1, when errors such as current loop open circuit and voltage loop short circuit exist in the installation wiring, the power supply cannot be damaged, when the operator uses the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system 1, the power supply can automatically recover to be normal after wiring errors are corrected, the three-phase virtual power supply load 20 sends out current open circuit alarm indication to a current phase with current open circuit, and the three-phase virtual power supply load 20 sends out voltage short circuit alarm indication to a voltage phase with voltage short circuit. Except for the current or voltage phase loop with wrong wiring, the current or voltage phase loop without wrong wiring is normally electrified to operate.
The electric energy metering device of the installation wiring area 121 belongs to an operation area for students to install, debug, collect electricity consumption and troubleshoot the electric energy metering device.
The multifunctional plastic insulation mounting plate 30 is arranged in the equipment mounting area 12 of the middle layer of the low-voltage cabinet 10, is provided with a strip-groove type high-strength composite material mounting panel, and has the advantages of high strength, convenience in mounting, reusability, small damage and the like. The high-frequency repeated disassembly and assembly exercises of equipment installation wiring of a molded case circuit breaker, an electric energy meter, a transformer, a metering test junction box, a primary wire/secondary wire and the like are met.
The control and voltage regulation device 40 comprises a power source, a control circuit and a first meter. The power source is used for simulating actual leakage faults, and as the set of leakage fault sources are power frequency power sources of 50Hz, as shown in figure 3, a safe output voltage of 36V is adopted for ensuring life safety; the leakage fault source also has high sensitivity and high speed protection circuits such as short circuit, surge, current limiting and the like to ensure the safety and reliability of the equipment. Each phase amplitude of the control circuit can be independently adjusted, the control circuit is not involved, and the output of each path of source is provided with a high-sensitivity and high-speed protection circuit for short circuit, surge, current limiting and the like, so that the safety and the reliability of equipment are ensured. The first instrument is used for collecting parameters such as voltage of the three-phase circuit and the like, and uploading the parameters to the computer through the RS485 communication line, so that functions such as voltage monitoring and voltage quality analysis are realized.
The control and voltage regulation device 40 further comprises a software part consisting of embedded software of the control machine and the APP of the computer. And an operator issues setting instructions of output voltages of each phase through a control on the APP interface, the computer downloads the instructions to the controller through a communication line, and the controller realizes voltage setting and output control of each phase according to logic requirements.
The detecting device 50 is used for detecting the fault setting state and the signal feedback state of the system, and transmitting the detected various states to a computer through a network for data analysis.
The three-phase transformer metering scene simulation device 60 adopts the structure layout of a transformer type metering box which is typically designed by a power grid. The size, layout and equipment configuration of the transformer type metering box used on site are the same, a complete three-phase power user is simulated, the three-phase transformer type metering scene simulation device 60 comprises an incoming line plastic shell circuit breaker, an outgoing line plastic shell circuit breaker (with a tripping coil), a current transformer, a transformer type simulation electric energy meter, a three-phase four-wire metering test junction box, a simulation concentrator, a three-phase 4P open, a guide rail, a primary junction box and the like, and the simulation concentrator is respectively and electrically connected with the first instrument and the computer and is used for transmitting voltage parameters to the computer.
The simulation concentrator is connected with the computer in an uplink mode, and is connected with a plurality of meters in a downlink mode and used for system reading, command transmission, data communication, event recording and uplink and downlink channel management.
The live-line ignition simulation device 70 comprises an overhead line power switch, a transformer 220V/36V, an overhead power wire, a safety voltage electroscope with the voltage of 36V or below and the like, creates a real field operation environment, and solves the problems of meter loading, ignition (electricity) safety, service comprehensive skill training and assessment.
The input end of the overhead line power switch is connected with the power master switch; a safety voltage electroscope of 36V and below is used to detect if the overhead power conductor is live.
The mutual inductor type simulation electric energy meter expands simulation functions on the basis of a real power grid electric energy meter, starts from bottom software in the real meter, writes simulation metering programs suitable for various fault modes, and has two functions of reality and simulation. The method supports carrier wave, dual-mode, micropower and RS-485 communication modes, meets the requirements of setting and modifying parameters such as active and reactive data, peak valley data, current month data, voltage current power data and the like of the electric energy meter, has a fault simulation function, and meets the requirements of simulation of three general faults on site such as display type, acquisition type and metering type, so that meter reading information of different operators cannot be identical.
The fault (i.e. meter fault) type comprises a voltage loss fault, a current loss fault, a data recording fault, an ammeter black screen, an ammeter white screen, an ammeter pattern screen, an infrared communication fault, a 485 communication fault, a clock battery under-voltage fault, a dead halt fault, a pulse lamp fault, a switching-on/switching-off fault, a clock fault and the like, and the fault (meter fault) type is set by combining the fault setting software with the single-phase and three-phase simulation intelligent ammeter.
The simulation concentrator is disposed inside the three-phase through-transformer metering scene simulation device 60.
The simulation concentrator is compatible with power grid specifications and communication protocols, can realize the butt joint with a local host station system in an uplink mode, supports two modes of 4G and Ethernet in a communication mode, can realize the communication with a locally used electric energy meter in a communication mode, supports carrier wave, dual mode, micropower and RS-485 communication modes, has a fault simulation function, can realize the simulation of three general faults in site, namely a display mode, an acquisition mode and a metering mode, and meets the training requirement.
The terminal fault types of the simulation concentrator mainly comprise 485 communication faults, terminal display faults, GPRS communication faults, alarm lamp faults, key faults, storage faults, clock faults, dead faults and the like. Other manual implementations may be used for upstream communication module failure, downstream communication module failure, antenna failure, parameter set errors, SIM card failure, etc.
The computer is a control core of the whole system, and is used for controlling system fault setting and recovery, potential safety hazard setting and recovery, data acquisition monitoring, data analysis and the like.
The low-voltage centralized meter reading simulation training master station is based on a real metering automation system structure and page development and comprises a preposed communication program, a Web application program and a commercial relational database, and has the functions of independent master station system file maintenance, file and parameter recall and issuing, data recall, remote switch-on and switch-off, low-voltage centralized meter reading collection, station area line loss, alarm statistics, voltage quality monitoring, data backup reduction and the like. The simulation terminal configured by the master station system and the device and the mutual inductor type simulation electric energy meter form a low-voltage centralized meter reading simulation training system, and the system has the function of collecting power grid electricity consumption information and collecting low-voltage centralized meter reading, and the function development of the system conforms to the requirements of national standards and uplink communication protocols of the power grid metering terminal.
The fault setting software is responsible for various fault settings and recovery of the system, including electric energy meter fault settings and recovery, terminal fault settings and recovery, cabinet/box body external leakage settings and recovery, voltage regulation and control and the like, and the communication mode is direct communication.
The utility model provides a multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system 1, which is used for completely and truly constructing an operation scene of a field low-voltage metering device by configuring a low-voltage cabinet 10, a three-phase virtual power load 20, a multifunctional plastic insulation mounting plate 30, a control and voltage regulating device 40, a detecting device 50, a three-phase through-transformer metering scene simulation device 60, an electrified fire connection simulation device 70 and a computer. The system simulates and reproduces a transformer type simulation electric energy meter, a simulation terminal, voltage regulation and control and common safety risks through background fault setting software, can observe electric quantity and fault types which are required to be observed in any link through the collection of the power consumption information of a background simulation training master station, and can train and examine the safety and business skills of the whole low-voltage electric energy metering device from each step of installation, power connection, debugging, fault investigation, voltage quality monitoring and the like, standardize the operation safety behaviors of students, improve the installation and debugging quality of the students, fault investigation processing and data analysis capability, improve the safety protection consciousness, risk identification level and manual capability of metering operation staff, and achieve the purpose of comprehensive training and examination of safety and business skills.
In fig. 2, a three-phase four-wire 380V power supply is split into three inputs by the mains switch. The first path is input to a three-phase virtual load power supply, and the three-phase virtual load power supply outputs output voltage, current and state detection indication signals to provide operation voltage and current for the electric energy metering device of the installation wiring area 121 to enter an operation state; the second path provides a safety voltage of 36V or below for a low-voltage overhead main line through the overhead line power switch and a 220V/36V transformer, so that the live ignition of the safety voltage is realized; the third path provides power for the electric leakage and voltage regulation control device, hardware is matched with fault setting software, electric leakage and recovery of the outer shell of the cabinet/box can be set, three-phase split-phase independent setting of the voltage value of the user side ammeter can be achieved, the condition that the voltage value is set in the range of 150V-250V at each user is met, voltage quality monitoring is achieved through the electric energy metering automatic simulation training master station, the master station analyzes the voltage qualification rate of data, a power supply voltage quality analysis result is generated, and data support is provided for power distribution network transformation and power supply quality improvement.
In fig. 3, when the equipment housing is electrified due to the reasons of insulation aging, breakage of the circuit, moisture of components and the like, the electrical leakage of the housing is a great potential safety hazard, and the safety of operators may be endangered. The dangerous state of leakage of the shell of the box/cabinet body is simulated, so that students can personally feel and process the electrified faults of the shell, and the safety consciousness of operators is improved. In addition, the safety output voltage of 36V or below is adopted to ensure the safety requirement; to detect leakage faults, electroscope is configured to meet safety voltage requirements of 36V and below. The power supply is input from the main power switch and simulates the leakage safety risk through the power source, the control circuit and the software.
With continued reference to fig. 3, the voltage regulator hardware cooperates with the fault setting software to set the voltage value of the user-side ammeter independently in a three-phase split-phase manner, so that the voltage value at any setting position of each user is in the range of 150V-250V, and the amplitude of each phase of the three-phase source can be regulated independently without involvement. The power supply is input from the main power switch, the change of the voltage of each phase of the user side is simulated through the power source, the control circuit and the software, the voltage quality monitoring is realized by matching with the background simulation practical training master station, the voltage qualification rate analysis is carried out, the power supply voltage quality analysis result is generated, and the data support is provided for the transformation of the power distribution network and the improvement of the power supply quality.
According to fig. 4, the electric energy metering automation imitates a real training master station. The functions of the metering automatic simulation system (namely the metering automatic simulation master station) are divided into six functions of file management, equipment debugging, system management, data reading, transformer area line loss statistics and power distribution operation analysis by comprehensively considering the functional characteristics of the training device, service requirements and other factors.
(1) The file management comprises functional modules such as platform area management, concentrator management, collector management, report management, batch file import, client management, meter management, manufacturer management, meter reading section management and the like. The master station (namely the metering automation simulation system) supports the operations of inquiring, adding, modifying, deleting and the like of basic files of the master station such as a power supply unit, a station area, a terminal, a user, an electric energy meter and the like.
(2) The equipment debugging supports the functions of acquisition task configuration, electric energy meter file parameter calling and setting, terminal operation, real-time data calling, remote switching-on and switching-off and the like.
(3) The data reading comprises a functional module for remotely acquiring meter reading data, inputting representation data, inquiring meter reading data, calling low-voltage data, inquiring user data, inquiring event data and the like.
(4) The system management comprises data backup and restoration, organization management, role management, operator management, password management and other functional modules. As a system operation auxiliary module, the system is supported to keep the latest information of organization, personnel, authority and the like, and the reasonable use of the system by users is ensured.
(5) The line loss statistics of the transformer area comprises functional modules such as line loss file management, line loss analysis and the like.
(6) The power distribution operation analysis comprises load rate statistics, three-phase unbalance, voltage quality statistics, alarm event statistics and other functional modules.
The above embodiments and the accompanying drawings are only for illustrating the technical solution of the present utility model and not for limiting the present utility model, and those skilled in the art may make changes, modifications, additions or substitutions within the spirit of the present utility model without departing from the spirit of the present utility model, and the present utility model shall also fall within the scope of the claims of the present utility model.

Claims (8)

1. The utility model provides a many trouble scene measurement fortune dimension full-flow intelligence emulation comprehensive training assessment system which characterized in that includes:
the device comprises a low-voltage cabinet, a three-phase virtual power load, a multifunctional plastic insulation mounting plate, a control and voltage regulation device, a detection device, a three-phase metering scene simulation device through a transformer, an electrified ignition simulation device and a computer;
the low-voltage cabinet comprises a power supply main switch, a virtual load power supply area, an equipment installation area, a material and tool storage box, wherein the power supply main switch is a main switch of the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system; the three-phase virtual power supply load is arranged in the virtual load power supply area, and the electrified ignition simulation device, the control and voltage regulation device, the detection device and the multifunctional plastic insulation mounting plate are mounted in the equipment mounting area; the three-phase metering scene simulation device is arranged on the multifunctional plastic insulation mounting plate through a transformer;
the detection device is in communication connection with the computer, and is used for detecting a fault setting state and a signal return state and transmitting the detected fault setting state and the signal return state to the computer.
2. The multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system is characterized in that the virtual load power supply area is also provided with a three-phase voltage and current indicating instrument and a fault indicating and audible and visual alarm device;
the fault indication and audible and visual alarm device is used for prompting the type of wiring error.
3. The multi-fault scenario metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system according to claim 2, wherein the virtual load power supply area is further provided with a cabinet/box shell leakage control device and a voltage regulation and monitoring device.
4. The multi-fault scenario metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system according to claim 3, further comprising a power supply indication instrument, wherein the power supply indication instrument is arranged at the top end of the low-voltage cabinet and is used for indicating whether the low-voltage cabinet is electrified.
5. The multi-fault scenario metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system according to claim 4, wherein the three-phase virtual power load consists of a power isolation transformer, a current booster and a peripheral protection circuit.
6. The multi-fault scenario metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system according to claim 5, wherein the control and voltage regulation device comprises a power source, a control circuit and a first instrument, wherein the power source adopts a safe output voltage of 36V to simulate an actual leakage fault; the control circuit is used for guaranteeing that the amplitude of each phase of a three-phase source of the multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system is independently adjusted; the first instrument is used for collecting voltage parameters of the three-phase circuit.
7. The multi-fault-scene metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system is characterized in that the three-phase through-transformer metering scene simulation device comprises an incoming line molded case circuit breaker, an outgoing line molded case circuit breaker, a current transformer, a transformer type simulation electric energy meter, a three-phase four-wire metering test junction box, a simulation concentrator, a three-phase 4P open-circuit, a guide rail and a primary junction box, and the simulation concentrator is respectively and electrically connected with the first instrument and the computer and is used for transmitting the voltage parameters to the computer.
8. The multi-fault scenario metering operation and maintenance full-flow intelligent simulation comprehensive training and assessment system according to claim 7, wherein the electrified ignition simulation device comprises an overhead line power switch, a transformer, an overhead power wire and a 36V safety voltage electroscope or below.
CN202322277237.1U 2023-08-23 2023-08-23 Multi-fault scene metering operation and maintenance full-flow intelligent simulation comprehensive training and checking system Active CN220627256U (en)

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