CN204516200U - A kind of aftercurrent action protecting system emulation actual training device - Google Patents
A kind of aftercurrent action protecting system emulation actual training device Download PDFInfo
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- CN204516200U CN204516200U CN201520188226.9U CN201520188226U CN204516200U CN 204516200 U CN204516200 U CN 204516200U CN 201520188226 U CN201520188226 U CN 201520188226U CN 204516200 U CN204516200 U CN 204516200U
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- 230000001681 protective effect Effects 0.000 claims abstract description 14
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Abstract
The utility model discloses a kind of aftercurrent action protecting system emulation actual training device; comprise casing, and be arranged on main breaker, first class of protection unit, second class protection unit, three-level protective unit, reactive compensation unit and the virtual load loading unit in casing.Aftercurrent action protecting system emulation actual training device described in the utility model can simulate multiple loadtype, diverse in function, and each element circuit is simple for structure; The skills training of rural power grids distribution system based on the RCD monitoring system operational management of Rural Low-Voltage Power Network distribute-electricity transformer district, failture evacuation, treatment people can be met.
Description
Technical field
The utility model relates to a kind of aftercurrent action protecting system emulation actual training device.
Background technology
After the upgrading of rural power grids; in vast rural area; in order to safety utilization of electric power; one, two, three RCD of general installation and operation in low voltage electric network; proved by long-time running; the installation of RCD is hit the number of casualties with operation to rural area low tension and is obtained effective control, but Problems existing also day by day reveals in protector long-time running.Because the attachment point of RCD is many, broad covered area, no matter from safety management to normal operation maintenance, or field failure is investigated and accident treatment, in real work, be all difficult to the process that is in time.
In view of this, the present inventor studies this, and develop a kind of aftercurrent action protecting system emulation actual training device specially, this case produces thus.
Utility model content
The purpose of this utility model is to provide one and has diverse in function; aftercurrent action protecting system emulation actual training device simple for structure, can meet the skills training of rural power grids distribution system based on the RCD monitoring system operational management of Rural Low-Voltage Power Network distribute-electricity transformer district, failture evacuation, treatment people.
To achieve these goals, solution of the present utility model is:
A kind of aftercurrent action protecting system emulation actual training device, comprise casing, and the main breaker, first class of protection unit, second class protection unit, three-level protective unit, reactive compensation unit and the virtual load loading unit that are arranged in casing, wherein, described first class of protection unit comprises interconnective RCD and contactor, RCD output signal control contactor deciliter; Described second class protection unit comprises 2 branch's RCDs, cuts off the electricity supply in time when there are abnormal conditions in branched line; Described three-level protective unit comprises multiple RCD, and described RCD is respectively used to protection single-phase load and threephase load, cuts off the electricity supply in time when user inside occurs abnormal; Described reactive compensation unit comprises idle compensating control, and the fuse, electric capacity switching contactor and the reactive compensation capacitor that are connected successively with idle compensating control, and reactive compensation unit is for simulating the reactive-load compensation of whole piece circuit; Described virtual load loading unit comprises multiple plug, and described plug is connected with the load monitor of computing machine.
As preferably; described single-phase load comprises the lighting for simulating the on-the-spot single-phase equipment of electricity consumption; described threephase load comprises the power-equipment for simulating electricity consumption scene, final stage protection (unit guarantor) that RCD runs as motor star triangle start and rotating.
As preferably, described virtual load loading unit comprises three branched lines, the U of each branched line, V, W establishes three single-phase virtual load respectively, amount to 27 customer charge points, each load point is equipped with an aviation plug, each user is corresponding U respectively, V, W three-phase three access points, insert corresponding separate aviation plug and represent that load accesses this phase, by the insertion of each aviation plug or extract, following function can be realized: the electric current of each user and phasing degree can load respectively, each user's point, each with branch line tie point, each branch line and backbone tie point, backbone head end, backbone breakpoint all can arrange electric current, phase place, and with the real-time communication of computing machine load monitor, carry out data transmission.
Aftercurrent action protecting system emulation actual training device described in the utility model can simulate multiple loadtype, diverse in function, and each element circuit is simple for structure; The skills training of rural power grids distribution system based on the RCD monitoring system operational management of Rural Low-Voltage Power Network distribute-electricity transformer district, failture evacuation, treatment people can be met.Inquiry and process that the status information that puts into operation always is protected in remote monitoring can be realized; total guarantor's fault type supervision and analysis, process; the running status of the on-the-spot rural power grids distribute-electricity transformer district of simulation real time on-line monitoring and malfunction, progressively cultivate rural power grids operation maintenance personnel site disposal failures and rural power grids RCD Application of Monitoring System ability.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the aftercurrent action protecting system emulation actual training device casing front inner structure schematic diagram of the present embodiment;
Fig. 2 is the first class of protection unit electrical schematic diagram of the present embodiment;
Fig. 3 is the second class protection unit electrical schematic diagram of the present embodiment;
Fig. 4 is the three-level protective unit electrical schematic diagram of the present embodiment;
Fig. 5 is the reactive compensation unit electrical schematic diagram of the present embodiment;
Fig. 6 is the virtual load loading unit electrical schematic diagram of the present embodiment.
Embodiment
As shown in Figure 1; a kind of aftercurrent action protecting system emulation actual training device; comprise casing 1, and be arranged on main breaker QF1, first class of protection unit 2, second class protection unit 3, three-level protective unit 4, reactive compensation unit and the virtual load loading unit in casing.
As shown in Figure 2, described first class of protection unit comprises interconnective first RCD RCD1 and contactor KM1, the first RCD RCD1 output signal control contactor KM1 deciliter; Mainly be used for training to the earth leakage protective understanding of one-level, to the selection of one-level leakage protection module and the correct setting to one-level residual current protection action value, delay time.
As shown in Figure 3; described second class protection unit comprises 2 branch's RCDs; being respectively the second RCD RCD2 and the 3rd RCD RCD3, cutting off the electricity supply in time when there are the abnormal conditions such as electric leakage, overload in branched line.Second class protection unit is used for training to the earth leakage protective understanding of secondary, to the selection of secondary leakage protection module and the setting correct to secondary residual current parameter.
As shown in Figure 4, described three-level protective unit is provided with multiple RCD, comprise with single-phase load (for simulating the lighting B1 of the on-the-spot single-phase equipment of electricity consumption, B2, B3) the 4th RCD RCD4 be connected, 5th RCD RCD5, 6th RCD RCD6, the 7th RCD RCD7 be connected with three-phase socket, the 8th RCD RCD8 be connected with three-phase and four-line load (for simulating the power-equipment motor at electricity consumption scene), above-mentioned RCD is respectively used to the coupled single-phase load of protection and threephase load, the final stage protection that 8th RCD RCD8 runs as motor star triangle start and rotating.When user's built-in electrical insulation destroy, there is personal indirect contact electric shock, motor insulation damages, short circuit time cut off the electricity supply in time.Three-level protective unit is mainly used for training to three grades of earth leakage protective understanding, the understanding isolating switch misoperation occurred at actual electricity consumption scene, the fault such as to be failure to actuate being produced to principle; and correct selection earth leakage protective device, installation earth leakage protective device; can cut off the electricity supply fast when the people's electric shock occurred in solution actual field, equipment leakage; the life security of underwriter, ensures the operation of the normal and power grid security of consumer.
As shown in Figure 5, described reactive compensation unit comprises idle compensating control, and the three-line of described idle compensating control is parallel with fuse FU4, electric capacity switching contactor KM2, KM3, KM4 and reactive compensation capacitor 1W, 2W, 3W successively.Reactive compensation unit is arranged on the power-feed section of device, is mainly used to the reactive-load compensation of simulating whole piece supply line, by the reactive-load compensation that reactive compensation unit is correct to supply line, consumer normally, is efficiently worked.
As shown in Figure 6, described virtual load loading unit comprises multiple aviation plug, described aviation plug is connected with the load monitor of computing machine, described virtual load loading unit comprises three branched lines, the U of each branched line, V, W establishes three single-phase virtual load respectively, amount to 27 customer charge points, each load point is equipped with an aviation plug, each user is corresponding U respectively, V, W three-phase three access points, insert corresponding separate aviation plug and represent that load accesses this phase, by the insertion of each aviation plug or extract, following function can be realized: the electric current of each user and phasing degree can load respectively, each user's point, each with branch line tie point, each branch line and backbone tie point, backbone head end, backbone breakpoint all can arrange electric current, phase place, and with the real-time communication of computing machine load monitor, carry out data transmission.Virtual load loading unit is for simulating randomness and the uncertainty of the on-the-spot load of electricity consumption.After front residual current fault verification is good, can increase and decrease the virtual load at different electric current and out of phase angle at any time, simulate randomness and the uncertainty of the on-the-spot load of electricity consumption, the change of simulation load current and power factor is on the impact of residual current.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (3)
1. an aftercurrent action protecting system emulation actual training device, it is characterized in that: comprise casing, and the main breaker, first class of protection unit, second class protection unit, three-level protective unit, reactive compensation unit and the virtual load loading unit that are arranged in casing, wherein, described first class of protection unit comprises interconnective RCD and contactor, RCD output signal control contactor deciliter; Described second class protection unit comprises 2 branch's RCDs, cuts off the electricity supply in time when there are abnormal conditions in branched line; Described three-level protective unit comprises multiple RCD, and described RCD is respectively used to protection single-phase load and threephase load, cuts off the electricity supply in time when user inside occurs abnormal; Described reactive compensation unit comprises idle compensating control, and the fuse, electric capacity switching contactor and the reactive compensation capacitor that are connected successively with idle compensating control, and reactive compensation unit is for simulating the reactive-load compensation of whole piece circuit; Described virtual load loading unit comprises multiple plug, and described plug is connected with the load monitor of computing machine.
2. a kind of aftercurrent action protecting system emulation actual training device as claimed in claim 1; it is characterized in that: described single-phase load comprises the lighting for simulating the on-the-spot single-phase equipment of electricity consumption, and described threephase load comprises the power-equipment for simulating electricity consumption scene.
3. a kind of aftercurrent action protecting system emulation actual training device as claimed in claim 1; it is characterized in that: described virtual load loading unit comprises three branched lines; U, V, W of each branched line establish three single-phase virtual load respectively; amount to 27 customer charge points; each load point is equipped with an aviation plug, and each user is corresponding U, V, W three-phase three access points respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188226.9U CN204516200U (en) | 2015-03-31 | 2015-03-31 | A kind of aftercurrent action protecting system emulation actual training device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188226.9U CN204516200U (en) | 2015-03-31 | 2015-03-31 | A kind of aftercurrent action protecting system emulation actual training device |
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| CN204516200U true CN204516200U (en) | 2015-07-29 |
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| CN201520188226.9U Active CN204516200U (en) | 2015-03-31 | 2015-03-31 | A kind of aftercurrent action protecting system emulation actual training device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601099A (en) * | 2017-01-19 | 2017-04-26 | 国家电网公司 | Low-voltage distributing network troubleshooting practical training cabinet |
| CN110854827A (en) * | 2019-10-25 | 2020-02-28 | 深圳供电局有限公司 | Protection system of direct current residual current circuit breaker |
-
2015
- 2015-03-31 CN CN201520188226.9U patent/CN204516200U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601099A (en) * | 2017-01-19 | 2017-04-26 | 国家电网公司 | Low-voltage distributing network troubleshooting practical training cabinet |
| CN110854827A (en) * | 2019-10-25 | 2020-02-28 | 深圳供电局有限公司 | Protection system of direct current residual current circuit breaker |
| CN110854827B (en) * | 2019-10-25 | 2022-03-08 | 深圳供电局有限公司 | Protection system of direct current residual current circuit breaker |
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