CN114170878A - Equipment maintenance test system and method for novel intelligent substation - Google Patents
Equipment maintenance test system and method for novel intelligent substation Download PDFInfo
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Abstract
The invention discloses a device overhaul test system and a device overhaul test method for a novel intelligent substation, belonging to the technical field of electrical device overhaul tests; a device maintenance test system and method for a novel intelligent substation are characterized in that a device and a power grid of the substation are modeled through an intelligent substation device simulation system, numerical simulation is carried out under a set fault condition, simulation results are dispersedly injected into each merging unit in a wireless transmission mode, the merging units drive an intelligent substation device simulation implementation system to carry out simulation, and the correctness of the behavior of the intelligent substation device simulation implementation system is determined according to the opening and closing behaviors of an intelligent operation box module, so that maintenance test work of the intelligent substation device is completed; the transformer substation equipment maintenance system and method effectively solve the problems that the existing transformer substation equipment maintenance system and method is low in working efficiency and maintenance quality, difficult in maintenance work management and incapable of well ensuring stable and safe operation of transformer substation equipment.
Description
Technical Field
The invention relates to the technical field of electrical equipment overhaul tests, in particular to an equipment overhaul test system and method for a novel intelligent substation.
Background
The transformer substation has the functions of converting voltage grades, collecting and distributing electric energy, controlling the flow direction of the electric energy and the like in an electric power system. As an important link for power transmission and power transmission of a power grid, the safe and stable operation of a transformer substation directly influences the safety stability and the power supply reliability of the whole power system. A large number of transformer equipment such as transformers, circuit breakers, disconnecting links, capacitors, reactances, arc suppression coils and the like exist in the transformer substation, and safe and reliable operation of the transformer substation is an important basis for ensuring safe and stable operation of the transformer substation. In order to ensure the safe and reliable operation of the power transformation equipment, according to the regulations of related equipment maintenance regulations, a power transformation department needs to regularly organize and develop power transformation equipment maintenance work to eliminate hidden equipment operation hazards so as to ensure good equipment operation conditions. In addition, when the equipment has defects in the maintenance period, the equipment maintenance work needs to be immediately carried out to eliminate the defects. The quality of the maintenance work quality directly influences the operation level of the power grid.
With the increasing demands for economic development and comprehensive energy utilization, the demand for building a strong smart grid is increasingly outstanding, and the smart substation is used as a basic element of the strong smart grid to obtain a rapid development opportunity; at present, most of the overhaul work of the transformer substation is finished manually, time and labor are wasted, and the skill level levels of maintainers are not uniform, so that the overhaul quality of equipment cannot be well guaranteed; meanwhile, the transformer equipment is various in type and quantity, different in overhaul type and period, high in management difficulty, low in intelligentization level, capable of being operated in a live-line mode mostly during overhaul, and potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problems that the existing transformer substation equipment maintenance system and method is low in working efficiency and maintenance quality, difficult in maintenance work management and incapable of well ensuring stable and safe operation of transformer substation equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an equipment overhauls test system for novel intelligent substation, including the wireless control main website, wireless control main website both-way link has wireless communication system and intelligent substation equipment analog simulation system, it has collector analog module to go back both-way link on the wireless control main website, collector analog module is including a plurality of collector simulator unit, collector analog module one-way link has the merging cells, merging cells one-way link has intelligent substation equipment emulation to implement the system, intelligent substation equipment emulation is implemented the system and is gone back one-way link simultaneously and has been connected intelligent operation case module, one-way link has switch analog module on the intelligent operation case module, switch analog module is including a plurality of switch analog module, switch analog module still with wireless control main website both-way link simultaneously.
Preferably, the intelligent substation equipment simulation system is designed in an off-line mode, and the condition occurrence and element action moments of the overhaul test scene preset according to a time axis are calculated according to different working condition sections.
Preferably, the intelligent substation equipment simulation system comprises a user login module, wherein the user login module is linked with a substation equipment information module, a substation equipment setting module, a substation equipment state evaluation module and a standing book inquiry and statistics module;
the transformer substation equipment information module comprises a transformer substation equipment position navigation sub-module, a transformer substation equipment electrical contact condition display sub-module and a transformer substation equipment information query sub-module, wherein the transformer substation equipment information query sub-module comprises an equipment model parameter query unit, a manufacturer query unit, a defect information query unit, an operation state query unit and an image or video query unit;
the standing book inquiry and statistics module comprises a same-model equipment distribution information submodule, a power transformation equipment defect information submodule and an overhaul condition recording submodule.
Preferably, the intelligent substation equipment simulation implementation system comprises a switch module, and the switch module is linked with a relay protection device simulation module, a metering device simulation module, a measurement control device simulation module and a background monitoring system simulation module.
An equipment overhaul test method for a novel intelligent substation comprises the following steps:
s1, determining a test scheme according to the equipment maintenance test purpose of the intelligent substation;
s2, constructing a simulation model of the intelligent substation by using the intelligent substation simulation system;
s3, checking the wiring integrity among the intelligent substation equipment simulation implementation system, the merging unit and the intelligent operation box module;
s4, arranging the collector simulation module and the switch simulation module according to the requirement of the test scheme;
s5, setting test parameters by using the intelligent substation simulation system according to the test scheme determined in S1, and completing simulation calculation;
s6, sending a simulation data packet and a test control command to the collector simulation module;
s7, applying a test signal according to a preset scheme under the control of a control instruction sent by the intelligent substation simulation system;
s8, after receiving the test signal in S7, the intelligent substation equipment simulation implementation system controls the corresponding simulation module to work, and after the simulation test is completed, the switch simulation module monitors a switch-off command and a switch-on command sent by the intelligent operation box module and uploads the control command to the intelligent substation simulation system;
and S9, determining the correctness of the behavior of the simulation implementation system of the intelligent substation equipment by a tester according to the opening and closing behaviors of the intelligent operation box module, thereby completing the overhaul test work of the intelligent substation equipment.
Compared with the prior art, the invention provides a device overhaul test system and a device overhaul test method for a novel intelligent substation, and the system and the method have the following beneficial effects:
the invention provides a device overhaul test system and a method for a novel intelligent substation, which are characterized in that a device and a power grid of the substation are modeled by an intelligent substation device simulation system, numerical simulation is carried out under a set fault condition, the simulation result is dispersedly injected into each merging unit in a wireless transmission mode, the merging unit drives an intelligent substation device simulation implementation system to carry out simulation, the correctness of the behavior of the intelligent substation device simulation implementation system is further determined according to the opening and closing behaviors of an intelligent operation box module, so that overhaul test work of the intelligent substation devices is completed, the device overhaul efficiency of the intelligent substation is greatly improved by the design, meanwhile, the overhaul types, the overhaul periods and the like of the devices can be more conveniently and intuitively managed, and the complexity of the overhaul work of the intelligent substation devices is greatly simplified, the defects of the traditional method are effectively overcome, and important guarantee is provided for safe and stable operation of the intelligent substation; in addition, the intelligent substation equipment simulation system is designed in an off-line mode, the state occurrence and element action moments of the overhaul test scene preset according to a time axis are calculated according to different working condition sections, all state time domain data of the set test process can be obtained through one-time simulation and sent to corresponding simulators, and therefore the problem of working condition simulation including fault reclosing or multiple fault conditions is solved.
Drawings
Fig. 1 is a schematic system composition diagram of an equipment overhaul testing system for a novel intelligent substation according to the present invention;
fig. 2 is a schematic composition diagram of an intelligent substation equipment simulation system of the system for the equipment overhaul test system of the novel intelligent substation provided by the invention;
FIG. 3 is a schematic flow chart of a device overhaul test method for a novel intelligent substation according to the present invention;
fig. 4 is a schematic diagram of a simulation mode principle of an intelligent substation equipment simulation system for an equipment overhaul test system of a novel intelligent substation according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
please refer to fig. 1-3, an equipment overhaul test system for a novel intelligent substation, comprising a wireless control master station, the wireless control master station is bidirectionally linked with a wireless communication system and an intelligent substation equipment simulation system, the wireless control master station is further bidirectionally linked with a collector simulation module, the collector simulation module comprises a plurality of collector simulator units, the collector simulation module is unidirectionally linked with a merging unit, the merging unit is unidirectionally linked with an intelligent substation equipment simulation implementation system, the intelligent substation equipment simulation implementation system is further unidirectionally linked with an intelligent operation box module, the intelligent operation box module is further unidirectionally linked with a switch simulation module, the switch simulation module comprises a plurality of switch simulator units, and the switch simulation module is also bidirectionally linked with the wireless control master station.
The intelligent substation equipment simulation system is designed in an off-line mode, the state occurrence and element action moments of a maintenance test scene preset according to a time axis are calculated according to different working condition sections, all state time domain data of a set test process can be obtained through one-time simulation and sent to corresponding simulators, and therefore the problem of working condition simulation including fault reclosing or multiple fault conditions is solved, and the mode is illustrated in fig. 4.
The intelligent substation equipment simulation system comprises a user login module, wherein a substation equipment information module, a substation equipment setting module, a substation equipment state evaluation module and a standing book inquiry and statistics module are linked on the user login module;
the transformer substation equipment information module comprises a transformer substation equipment position navigation sub-module, a transformer substation equipment electrical contact condition display sub-module and a transformer substation equipment information query sub-module, wherein the transformer substation equipment information query sub-module comprises an equipment model parameter query unit, a manufacturer query unit, a defect information query unit, an operation state query unit and an image or video query unit;
the standing book inquiry and statistics module comprises a same-model equipment distribution information submodule, a power transformation equipment defect information submodule and an overhaul condition recording submodule.
The intelligent substation equipment simulation implementation system comprises a switch module, wherein the switch module is linked with a relay protection device simulation module, a metering device simulation module, a measurement control device simulation module and a background monitoring system simulation module.
An equipment overhaul test method for a novel intelligent substation comprises the following steps:
s1, determining a test scheme according to the equipment maintenance test purpose of the intelligent substation;
s2, constructing a simulation model of the intelligent substation by using the intelligent substation simulation system;
s3, checking the wiring integrity among the intelligent substation equipment simulation implementation system, the merging unit and the intelligent operation box module;
s4, arranging the collector simulation module and the switch simulation module according to the requirement of the test scheme;
s5, setting test parameters by using the intelligent substation simulation system according to the test scheme determined in S1, and completing simulation calculation;
s6, sending a simulation data packet and a test control command to the collector simulation module;
s7, applying a test signal according to a preset scheme under the control of a control instruction sent by the intelligent substation simulation system;
s8, after receiving the test signal in S7, the intelligent substation equipment simulation implementation system controls the corresponding simulation module to work, after the simulation test is completed, the switch simulation module monitors a switch-off command and a switch-on command sent by the intelligent operation box module, and uploads the control command to the intelligent substation simulation system;
and S9, determining the correctness of the behavior of the simulation implementation system of the intelligent substation equipment by a tester according to the opening and closing behaviors of the intelligent operation box module, thereby completing the overhaul test work of the intelligent substation equipment.
The invention provides a device overhaul test system and a method for a novel intelligent substation, which are characterized in that a device and a power grid of the substation are modeled by an intelligent substation device simulation system, numerical simulation is carried out under a set fault condition, the simulation result is dispersedly injected into each merging unit in a wireless transmission mode, the merging unit drives an intelligent substation device simulation implementation system to carry out simulation, the correctness of the behavior of the intelligent substation device simulation implementation system is further determined according to the opening and closing behaviors of an intelligent operation box module, so that overhaul test work of the intelligent substation devices is completed, the device overhaul efficiency of the intelligent substation is greatly improved by the design, meanwhile, the overhaul types, the overhaul periods and the like of the devices can be more conveniently and intuitively managed, and the complexity of the overhaul work of the intelligent substation devices is greatly simplified, the defects of the traditional method are effectively overcome, and important guarantee is provided for safe and stable operation of the intelligent substation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. An equipment overhaul test system for a novel intelligent substation is characterized by comprising a wireless control master station, the wireless control master station is bidirectionally linked with a wireless communication system and an intelligent substation equipment simulation system, the wireless control master station is also bidirectionally linked with a collector simulation module which comprises a plurality of collector simulator units, the collector simulation module is unidirectionally linked with a merging unit which is unidirectionally linked with an intelligent substation equipment simulation implementation system, the intelligent substation equipment simulation implementation system is also unidirectionally linked with an intelligent operation box module, the intelligent operation box comprises an intelligent operation box module, and is characterized in that a switch simulation module is unidirectionally linked on the intelligent operation box module and comprises a plurality of switch simulator units, and the switch simulation module is also bidirectionally linked with a wireless control master station.
2. The equipment overhaul test system for the novel intelligent substation according to claim 1, wherein the intelligent substation equipment simulation system is designed in an off-line mode, and the overhaul test scene state occurrence and element action moments preset according to a time axis are calculated according to different working condition sections.
3. The equipment overhaul test system for the novel intelligent substation according to claim 2, wherein the intelligent substation equipment simulation system comprises a user login module, and a substation equipment information module, a substation equipment setting module, a substation equipment state evaluation module and a standing book inquiry and statistics module are linked to the user login module;
the transformer substation equipment information module comprises a transformer substation equipment position navigation sub-module, a transformer substation equipment electrical contact condition display sub-module and a transformer substation equipment information query sub-module, wherein the transformer substation equipment information query sub-module comprises an equipment model parameter query unit, a manufacturer query unit, a defect information query unit, an operation state query unit and an image or video query unit;
the standing book inquiry and statistics module comprises a same-model equipment distribution information submodule, a power transformation equipment defect information submodule and an overhaul condition recording submodule.
4. The equipment overhaul test system for the novel intelligent substation of claim 1, wherein the intelligent substation equipment simulation implementation system comprises a switch module, and the switch module is linked with a relay protection device simulation module, a metering device simulation module, a measurement control device simulation module and a background monitoring system simulation module.
5. The equipment overhaul testing method for the novel intelligent substation, applied to the equipment overhaul testing system for the novel intelligent substation according to any one of claims 1 to 4, is characterized by comprising the following steps of:
s1, determining a test scheme according to the equipment maintenance test purpose of the intelligent substation;
s2, constructing a simulation model of the intelligent substation by using the intelligent substation simulation system;
s3, checking the wiring integrity among the intelligent substation equipment simulation implementation system, the merging unit and the intelligent operation box module;
s4, arranging the collector simulation module and the switch simulation module according to the requirement of the test scheme;
s5, setting test parameters by using the intelligent substation simulation system according to the test scheme determined in S1, and completing simulation calculation;
s6, sending a simulation data packet and a test control command to the collector simulation module;
s7, applying a test signal according to a preset scheme under the control of a control instruction sent by the intelligent substation simulation system;
s8, after receiving the test signal in S7, the intelligent substation equipment simulation implementation system controls the corresponding simulation module to work, and after the simulation test is completed, the switch simulation module monitors a switch-off command and a switch-on command sent by the intelligent operation box module and uploads the control command to the intelligent substation simulation system;
and S9, determining the correctness of the behavior of the simulation implementation system of the intelligent substation equipment by a tester according to the opening and closing behaviors of the intelligent operation box module, thereby completing the overhaul test work of the intelligent substation equipment.
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