CN112216174A - AC/DC power supply fault simulation system - Google Patents
AC/DC power supply fault simulation system Download PDFInfo
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- CN112216174A CN112216174A CN202011060199.9A CN202011060199A CN112216174A CN 112216174 A CN112216174 A CN 112216174A CN 202011060199 A CN202011060199 A CN 202011060199A CN 112216174 A CN112216174 A CN 112216174A
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Abstract
The invention relates to the technical field of fault simulation, in particular to an alternating current-direct current power supply fault simulation system. The alternating current-direct current power supply fault simulation system comprises an alternating current power supply simulation module, a direct current power supply simulation module, a UPS simulation module, a fault simulation module and a monitoring center module which are connected through a control module, wherein the control module comprises a theoretical training unit, a simulation operation unit, a fault simulation screening and processing unit, an examination unit and a remote monitoring unit, and the alternating current-direct current power supply fault simulation system which is more visual and has the appearance is provided, so that the training effect is improved.
Description
Technical Field
The invention relates to the technical field of fault simulation, in particular to an alternating current-direct current power supply fault simulation system.
Background
In the safe operation work of the transformer substation, transformer substation operation and maintenance personnel are direct operators of the transformer substation operation work, and the standard degree of operation behaviors of the transformer substation operation and maintenance personnel directly influences the safety and the stability of the transformer substation operation. The artificial faults often bring serious consequences to the transformer substation, and seriously threaten the safety of operating personnel, transformer equipment and a power grid. The transformer operation and maintenance personnel have many involved devices and complicated working contents, and are easy to cause operation errors of the operation and maintenance personnel, the errors cause certain economic losses to the society and enterprises, and the errors cause safety accidents of the personnel, the devices and even the power grid.
Therefore, training theoretical knowledge and actual operation skills of the substation equipment for substation operation and maintenance personnel is a very important link for preventing substation accidents. The traditional transformer substation operation and maintenance training mode is not strong in intuition, operation and maintenance personnel cannot feel specific phenomena when faults occur, and the training effect cannot meet the expected requirements.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the more visual simulation system for the alternating current and direct current power supply fault is provided, and the training effect is improved.
The technical scheme adopted by the invention for solving the technical problem is as follows: the alternating current-direct current power supply fault simulation system comprises an alternating current power supply simulation module, a direct current power supply simulation module, a UPS simulation module, a fault simulation module and a monitoring center module which are connected with a control module, wherein the control module comprises a theoretical training unit, a simulation operation unit, a fault simulation screening and processing unit, an examination unit and a remote monitoring unit;
the alternating current power supply simulation module is used for providing power supply and simulating a real environment of an alternating current power supply system;
the direct-current power supply simulation module is used for providing power supply and performing direct-current fault simulation;
the UPS simulation module is used for providing power and simulating the condition of UPS alternating current input failure;
the fault simulation module is used for simulating a plurality of faults existing in the power supply system for the recovery station;
the monitoring center module is used for monitoring the alternating current power supply simulation module, the direct current power supply simulation module, the UPS simulation module and the fault simulation module;
the theoretical training unit is used for training theoretical knowledge of alternating current and direct current power supplies;
the simulation operation unit is used for providing an actual operation flow and receiving an actual operation instruction;
the fault simulation screening and processing unit is used for simulating faults occurring in the actual operation process and providing corresponding solutions;
the examination unit is used for establishing a storage question bank and performing examination related management;
and the remote monitoring unit is used for receiving and displaying the monitoring information of the monitoring center module.
According to the invention, the simulation modules simulate the AC/DC operation and maintenance environment of the transformer substation, a more complete AC/DC power supply fault simulation system is established by combining the control modules, and trainees can train and learn theoretical knowledge and actual operation through each unit in the modules, so that more intuitive and vivid experience training is realized, and a better training effect is realized.
The alternating current power supply simulation module adopts a single-bus sectional wiring mode, each single bus is connected with one low-voltage alternating current power supply, and each single bus is connected with an off-station power supply. As shown in fig. 2, in this embodiment, the actual environment of the ac power supply system for the 500kV and 220kV class transformer substation is simulated by the ac power supply simulation module, the substation power supply system adopts a single-bus sectional connection form, such as the I-section low-voltage bus and the II-section low-voltage bus in fig. 2, two low-voltage ac power supplies, i.e., L1 and L2 in the figure, are simulated as working transformers for two substations, and the incoming line and the section switch realize manual switching. Two stations are operated by working transformers in a split-row mode, and the station power system has the function of placing the station power loop lock. The outdoor power supply, i.e. L0 in the figure, is connected with the I section low-voltage bus and the II section low-voltage bus as a standby power supply. The alternating current power supply simulation module mainly provides power for the whole set of simulation system.
The direct-current power supply simulation module adopts a DC220V power supply system to configure two groups of storage batteries and three sets of high-frequency switching power supply modules. The direct-current power supply simulation module is mainly used for providing power supply for a direct-current system and training all standard regulation operations and fault simulation of the direct-current system for trainees, and comprises remote and local internal resistance testing and regulation training, remote and local remote control switching and regulation training, remote and local checking discharge and regulation training and the like, direct-current related fault simulation and related solution training and the like.
The UPS simulation module adopts a host machine double-set redundancy configuration. The UPS simulation module adopts a host machine double-set redundancy configuration and a split operation mode, the UPS double sets supply power simultaneously, half main loads are respectively carried, the two sets of power supply simulation systems are mutually independent and do not serve as automatic switching, when one set of UPS power supply system fails, the other half system can guarantee normal operation, and manual switching can be realized.
The fault conditions simulated by the fault simulation module comprise insulation earth faults, alternating current input faults, storage battery faults, direct current bus overvoltage and undervoltage simulation, fuse fault simulation and the like. Various common faults of a power supply system of a recovery station are simulated through the existing electrical simulation software, and the implantation and the exit of the faults can be controlled in a manual or operation electrical operation mode, so that operation and maintenance personnel can visually know the real state of the equipment of the transformer substation when the equipment is in fault; meanwhile, the operation of a common troubleshooting method of the power system is trained, and the capability of correctly analyzing and processing the abnormal and fault conditions of the power system is improved. The training system is mainly used for training trainees to simulate and simulate typical accident cases in various fault conditions and countermeasures of the system to serve as training contents.
The theory training unit stores basic knowledge of the storage battery, basic knowledge of the charging device, basic knowledge of the direct-current power supply, typical practical operation knowledge and common use knowledge of instruments and meters in the direct-current system. The training device is used for training theoretical knowledge of the students in all aspects of alternating current and direct current power supplies, such as circuit breaker level difference coordination protection, construction and acceptance regulation, five-way and one measure and the like.
The simulation operation unit comprises an operation standard flow for providing a charger module fault, an operation standard flow for providing a direct current bus overvoltage and undervoltage fault, an operation standard flow for providing an insulation reduction fault, an operation standard flow for providing a storage battery ground fault, an internal resistance test operation standard flow, an internal resistance increase fault, a nuclear capacity discharge operation standard flow, a switch operation standard and an operation standard flow for providing a multimeter measurement. The simulation operation unit mainly displays relevant standard operations, such as an operation standard flow when a charger module fails, an operation standard flow when a direct current bus is in overvoltage or undervoltage fault, an operation flow when insulation is reduced to cause fault, an operation flow when a storage battery is in ground fault, an internal resistance test operation standard, an operation standard when internal resistance is increased to cause fault, a nuclear capacity discharge operation standard, a switch operation standard and an operation standard measured by a universal meter. The operation standard of the check discharge and the flow of the switching operation are shown in a schematic form, and the logical relationship among the operations is displayed.
Faults occurring in the actual operation process of the fault simulation screening and processing unit include alternating current fault, fuse fault, alternating current over-voltage and under-voltage fault, load short-circuit fault, storage battery open circuit internal resistance increase separation bus and grounding fault, level difference cooperation protection simulation, alternating current channeling fault, direct current grounding fault and outdoor field terminal box fault simulation. And simulating the fault occurring in the actual operation process of the site according to the requirement, and giving a corresponding solution to the possible cause of the fault.
The examination unit comprises knowledge point management, question type management, question bank management, examination type management, examination paper management and college information management. The question bank can be updated in real time. And performing random question setting examination and independent question setting examination according to the question bank so as to perform examination related to simulation operation and score of actual operation. The examination unit is used for importing and exporting the question bank, autonomously proposing questions, randomly examining and the like, and the examination unit is used for setting question type management, managing question bank information, managing examination types, setting examination management rules and managing college basic information.
The alternating current and direct current power supply fault simulation system establishes an interactive interface through the display screen to carry out human-computer interaction.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an alternating current-direct current power supply fault simulation system, which is used for carrying out integrated training of theoretical teaching, fault practice and examination and examination on a student, increasing the comprehensiveness of the training and realizing better training effect.
Drawings
FIG. 1 is a block diagram of the present invention.
FIG. 2 is a circuit diagram of an AC power supply emulation module according to the present invention.
Fig. 3 is a circuit diagram of a UPS emulation module according to the present invention.
Detailed Description
Embodiments of the invention are further described below with reference to the accompanying drawings:
examples
As shown in fig. 1 to 3, the ac/dc power supply fault simulation system includes an ac power supply simulation module, a dc power supply simulation module, a UPS simulation module, a fault simulation module, and a monitoring center module, which are connected to a control module, where the control module includes a theoretical training unit, a simulation operation unit, a fault simulation screening and processing unit, an examination unit, and a remote monitoring unit;
the alternating current power supply simulation module is used for providing power supply and simulating the real environment of an alternating current power supply system;
the direct-current power supply simulation module is used for providing power supply and performing direct-current fault simulation;
the UPS simulation module is used for providing power and simulating the condition of UPS alternating current input failure;
the fault simulation module is used for simulating a plurality of faults existing in the power supply system for the recovery station;
the monitoring center module is used for monitoring the alternating current power supply simulation module, the direct current power supply simulation module, the UPS simulation module and the fault simulation module; the monitoring center module monitors through the existing simulation monitoring equipment or simulation monitoring device;
the theoretical training unit is used for training theoretical knowledge of the alternating current power supply and the direct current power supply;
the simulation operation unit is used for providing an actual operation flow and receiving an actual operation instruction;
the fault simulation screening and processing unit is used for simulating faults occurring in the actual operation process and providing corresponding solutions;
the examination unit is used for establishing a storage question bank and performing examination related management;
and the remote monitoring unit is used for receiving and displaying the monitoring information of the monitoring center module. The remote monitoring unit is used for truly displaying all monitoring data of the direct current system in the transformer substation after the direct current system is connected with the relevant equipment, and carrying out remote monitoring and equipment operation monitoring.
The alternating current power supply simulation module adopts a single-bus segmented wiring mode, each single bus is connected with one low-voltage alternating current power supply, and each single bus is connected with an off-station power supply. As shown in fig. 2, in this embodiment, the actual environment of the ac power supply system for the 500kV and 220kV class transformer substation is simulated by the ac power supply simulation module, the substation power supply system adopts a single-bus sectional connection form, such as the I-section low-voltage bus and the II-section low-voltage bus in fig. 2, two low-voltage ac power supplies, i.e., L1 and L2 in the figure, are simulated as working transformers for two substations, and the incoming line and the section switch realize manual switching. Two stations are operated by working transformers in a split-row mode, and the station power system has the function of placing the station power loop lock. The outdoor power supply, i.e. L0 in the figure, is connected with the I section low-voltage bus and the II section low-voltage bus as a standby power supply. The alternating current power supply simulation module mainly provides power for the whole set of simulation system.
The DC power supply simulation module adopts a DC220V power supply system to configure two groups of storage batteries and three sets of high-frequency switch power supply modules. In the embodiment, the storage battery is a 2V200Ah valve-regulated sealed lead-acid storage battery, the high-frequency power supply switch power supply module is a 3 multiplied by 10+10A (N +1 configuration principle) high-frequency switch power supply module, single-bus segmented wiring is adopted, the accident power failure secondary load is considered according to 2h discharge capacity, the system is only limited to simulating power supply characteristics and operation habits, and a direct-current power supply system in a transformer substation with 500kV and 220kV voltage levels can be simulated. The direct-current power supply simulation module is mainly used for providing power supply for a direct-current system and training all standard regulation operations and fault simulation of the direct-current system for trainees, and comprises remote and local internal resistance testing and regulation training, remote and local remote control switching and regulation training, remote and local checking discharge and regulation training and the like, direct-current related fault simulation and related solution training and the like.
The UPS simulation module adopts a host machine double-set redundancy configuration. As shown in fig. 3, the UPS emulation module is used as an important load for microcomputer monitoring, data network scheduling, power metering, etc. to provide reliable ac power, and is also used to simulate the situation where ac power is provided from 220 vdc through the UPS when the ac input of the UPS fails. The UPS simulation module is arranged in the AC/DC power supply fault simulation system to realize simulation of the uninterrupted AC power supply system in the transformer substation and provide an emergency security power supply for a training center. The UPS simulation module adopts a host machine double-set redundancy configuration and a split operation mode, the UPS double sets supply power simultaneously, half main loads are respectively carried, the two sets of power supply simulation systems are mutually independent and do not serve as automatic switching, when one set of UPS power supply system fails, the other half system can guarantee normal operation, and manual switching can be realized.
The fault conditions simulated by the fault simulation module comprise insulation earth faults, alternating current input faults, storage battery faults, direct current bus overvoltage and undervoltage simulation, fuse fault simulation and the like. Various common faults of a power supply system of a recovery station are simulated by the conventional electrical simulation technology, and the implantation and the exit of the faults can be controlled in a manual or operation electrical operation mode, so that operation and maintenance personnel can visually know the real state of the equipment of the transformer substation when the equipment is in fault; meanwhile, the operation of a common troubleshooting method of the power system is trained, and the capability of correctly analyzing and processing the abnormal and fault conditions of the power system is improved. The training system is mainly used for training trainees to simulate and simulate typical accident cases in various fault conditions and countermeasures of the system to serve as training contents.
The theoretical training unit stores basic knowledge of the storage battery, basic knowledge of the charging device, basic knowledge of the direct-current power supply, typical practical operation knowledge and common use knowledge of instruments and meters commonly used in the direct-current system. The training device is used for training theoretical knowledge of the students in all aspects of alternating current and direct current power supplies, such as circuit breaker level difference coordination protection, construction and acceptance regulation, five-way and one measure and the like.
The simulation operation unit comprises an operation standard flow for providing a charger module fault, an operation standard flow for providing a direct current bus overvoltage and undervoltage fault, an operation standard flow for providing an insulation reduction fault, an operation standard flow for providing a storage battery ground fault, an internal resistance test operation standard flow, an internal resistance increase fault, a nuclear capacity discharge operation standard flow, a switch operation standard and an operation standard flow for providing a multimeter measurement. The simulation operation unit mainly displays relevant standard operations, such as an operation standard flow when a charger module fails, an operation standard flow when a direct current bus is in overvoltage or undervoltage fault, an operation flow when insulation is reduced to cause fault, an operation flow when a storage battery is in ground fault, an internal resistance test operation standard, an operation standard when internal resistance is increased to cause fault, a nuclear capacity discharge operation standard, a switch operation standard and an operation standard measured by a universal meter. The operation standard of the check discharge and the flow of the switching operation are shown in a schematic form, and the logical relationship among the operations is displayed.
Faults occurring in the actual operation process of the fault simulation screening and processing unit simulation comprise alternating current fault, fuse fault, alternating current over-voltage and under-voltage fault, load short-circuit fault, storage battery open circuit internal resistance increase disconnection bus and grounding fault, level difference coordination protection simulation, alternating current channeling fault, direct current grounding fault and outdoor field terminal box fault simulation. And simulating the fault occurring in the actual operation process of the site according to the requirement, and giving a corresponding solution to the possible cause of the fault.
The examination unit comprises knowledge point management, question type management, question bank management, examination type management, examination paper management and college information management. The question bank can be updated in real time. And performing random question setting examination and independent question setting examination according to the question bank so as to perform examination related to simulation operation and score of actual operation. The examination unit is used for importing and exporting the question bank, autonomously proposing questions, randomly examining and the like, and the examination unit is used for setting question type management, managing question bank information, managing examination types, setting examination management rules and managing college basic information.
The alternating current and direct current power supply fault simulation system establishes an interactive interface through the display screen to carry out human-computer interaction.
Claims (10)
1. An alternating current-direct current power supply fault simulation system is characterized by comprising an alternating current power supply simulation module, a direct current power supply simulation module, a UPS simulation module, a fault simulation module and a monitoring center module which are connected with a control module, wherein the control system comprises a theoretical training unit, a simulation operation unit, a fault simulation screening and processing unit, an examination unit and a remote monitoring unit;
the alternating current power supply simulation module is used for providing power supply and simulating a real environment of an alternating current power supply system;
the direct-current power supply simulation module is used for providing power supply and performing direct-current fault simulation;
the UPS simulation module is used for providing power and simulating the condition of UPS alternating current input failure;
the fault simulation module is used for simulating a plurality of faults existing in the power supply system for the recovery station;
the monitoring center module is used for monitoring the alternating current power supply simulation module, the direct current power supply simulation module, the UPS simulation module and the fault simulation module;
the theoretical training unit is used for training theoretical knowledge of alternating current and direct current power supplies;
the simulation operation unit is used for providing an actual operation flow and receiving an actual operation instruction;
the fault simulation screening and processing unit is used for simulating faults occurring in the actual operation process and providing corresponding solutions;
the examination unit is used for establishing a storage question bank and performing examination related management;
and the remote monitoring unit is used for receiving and displaying the monitoring information of the monitoring center module.
2. The ac/dc power supply fault simulation system according to claim 1, wherein the ac power supply simulation module is in a single bus segmented wiring form, each single bus is connected to a low-voltage ac power supply, and each single bus is connected to an off-station power supply.
3. The ac-DC power supply fault simulation system according to claim 1, wherein the DC power supply simulation module adopts a DC220V power supply system to configure two sets of storage batteries and three sets of high-frequency switching power supply modules.
4. The ac-dc power supply fault simulation system of claim 1, wherein the UPS emulation module employs a dual redundant host configuration.
5. The ac-dc power supply fault simulation system according to claim 1, wherein the fault conditions simulated by the fault simulation module include an insulation ground fault, an ac input fault, a battery fault, a dc bus overvoltage and undervoltage simulation, and a fuse fault simulation.
6. The ac/dc power supply fault simulation system according to claim 1, wherein the theoretical training unit stores basic knowledge of the storage battery, basic knowledge of the charging device, basic knowledge of the dc power supply, typical practical operation knowledge, and common use knowledge of instruments and meters used in the dc system.
7. The ac/dc power supply fault simulation system according to claim 1, wherein the simulation operation unit includes an operation standard flow for providing a charger module fault, an operation standard flow for a dc bus overvoltage/undervoltage fault, an operation standard flow for an insulation reduction fault, an operation standard flow for a storage battery ground fault, an internal resistance test operation standard flow, an operation standard flow for an internal resistance increase fault, a nuclear capacity discharge operation standard flow, a switch operation standard and an operation standard flow for multimeter measurement.
8. The ac/dc power supply fault simulation system according to claim 1, wherein the faults occurring during the actual operation of the fault simulation screening and processing unit simulation include ac fault, fuse fault, ac over/under voltage fault, load short circuit fault, increased open-circuit internal resistance of the storage battery to break away from the bus and the ground fault, level difference coordination protection simulation, ac ingress fault, dc ground fault, and outdoor field terminal box fault simulation.
9. The ac/dc power supply fault simulation system according to claim 1, wherein the examination unit comprises knowledge point management, question type management, question bank management, examination type management, examination paper management and college information management.
10. The ac/dc power supply fault simulation system according to claim 1, wherein the ac/dc power supply fault simulation system establishes an interactive interface through a display screen for human-computer interaction.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113781858A (en) * | 2021-08-23 | 2021-12-10 | 广西电网有限责任公司北海供电局 | Direct current system ground fault troubleshooting training and examination system |
| CN114123497A (en) * | 2021-11-13 | 2022-03-01 | 国网新疆电力有限公司阿勒泰供电公司 | Intelligent bus-tie monitoring device of low-voltage direct-current power supply system for station and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081867A (en) * | 2010-05-24 | 2011-06-01 | 北京科东电力控制系统有限责任公司 | All-digital high-voltage direct current transmission training stimulation system |
| CN202650305U (en) * | 2012-06-21 | 2013-01-02 | 湖州电力局 | Personnel remote training apparatus |
| CN203798934U (en) * | 2014-04-25 | 2014-08-27 | 国家电网公司 | Electric power DC insulation fault simulation and testing device |
| CN110910286A (en) * | 2019-11-14 | 2020-03-24 | 南方电网科学研究院有限责任公司 | Simulation training system for electric power market |
| CN111369410A (en) * | 2020-03-12 | 2020-07-03 | 安徽南瑞中天电力电子有限公司 | Simulation method suitable for power system training and teaching system thereof |
-
2020
- 2020-09-30 CN CN202011060199.9A patent/CN112216174A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081867A (en) * | 2010-05-24 | 2011-06-01 | 北京科东电力控制系统有限责任公司 | All-digital high-voltage direct current transmission training stimulation system |
| CN202650305U (en) * | 2012-06-21 | 2013-01-02 | 湖州电力局 | Personnel remote training apparatus |
| CN203798934U (en) * | 2014-04-25 | 2014-08-27 | 国家电网公司 | Electric power DC insulation fault simulation and testing device |
| CN110910286A (en) * | 2019-11-14 | 2020-03-24 | 南方电网科学研究院有限责任公司 | Simulation training system for electric power market |
| CN111369410A (en) * | 2020-03-12 | 2020-07-03 | 安徽南瑞中天电力电子有限公司 | Simulation method suitable for power system training and teaching system thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113781858A (en) * | 2021-08-23 | 2021-12-10 | 广西电网有限责任公司北海供电局 | Direct current system ground fault troubleshooting training and examination system |
| CN114123497A (en) * | 2021-11-13 | 2022-03-01 | 国网新疆电力有限公司阿勒泰供电公司 | Intelligent bus-tie monitoring device of low-voltage direct-current power supply system for station and control method |
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Application publication date: 20210112 |