CN204440772U - Three grades of aftercurrent action protecting Simulated training devices - Google Patents
Three grades of aftercurrent action protecting Simulated training devices Download PDFInfo
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- CN204440772U CN204440772U CN201520006630.XU CN201520006630U CN204440772U CN 204440772 U CN204440772 U CN 204440772U CN 201520006630 U CN201520006630 U CN 201520006630U CN 204440772 U CN204440772 U CN 204440772U
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- 238000012549 training Methods 0.000 title claims abstract description 47
- 238000004088 simulation Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of three grades of aftercurrent action protecting Simulated training devices; comprise background computer and a training cabinet be connected with described background computer, in described training cabinet, be provided with one-level leakage protection module, secondary leakage protection module, three grades of leakage protection module and idle compensating control.The utility model is provided with voice timing module, speech chronopher when taking an examination for student training, and simulation result is accurate, meets the requirement of distribution operation and maintenance personnel skills training, to the professional ability and the work efficiency that provide student, the safe and reliable operation of distribution network can be ensured.
Description
Technical field
The utility model belongs to electric power network technique field, particularly a kind of three grades of aftercurrent action protecting Simulated training devices.
Background technology
Due to putting into operation of aftercurrent action protecting system; the safe operation of distribution network system is ensured reliably; avoid the damage of electricity supply and use equipment and the generation of human casualty accident significantly, therefore aftercurrent action protecting system is used widely.
But; some also exists and user improper use lack of standardization to protector operational management for electric unit; cause the serious phenomenon such as residual current operated protective device tripping, malfunction, overstep tripping; such as in resident family, occurring that leaky occurs the breakage of insulated wire skin, residual current operated protective device does not trip in time.Along with the raising of people's lives condition; household electrical appliances are gone to the countryside the propelling of policy; various household electrical appliance enter common people house, but the interference that the unlatching of the household electrical appliance such as convertible frequency air-conditioner produces can make residual current operated protective device produce misoperation, affects the normal electricity consumption of resident.How correctly to judge the reason that residual current operated protective device trips fast, improve the technical ability of electrician Solve on site problem, be electric power netting safe running in the urgent need to.
Utility model content
The purpose of this utility model is to provide a kind of three grades of aftercurrent action protecting Simulated training devices.
The technical solution realizing the utility model object is: a kind of three grades of aftercurrent action protecting Simulated training devices, comprise background computer and a training cabinet be connected with described background computer, in described training cabinet, be provided with one-level leakage protection module, secondary leakage protection module, three grades of leakage protection module and idle compensating control;
Described one-level leakage protection module is arranged on training cabinet power inleting terminal, is used for simulating the earth leakage protection of whole piece supply line, comprises RCD summation current transformer; RCD summation current transformer is all connected with power supply backbone, and RCD is connected with current transformer simultaneously;
Described secondary leakage protection module is arranged on the power supply service main of training cabinet supply line, is used for simulating the earth leakage protection of whole piece supply line, comprises the first residual current action breaker, the second residual current action breaker and Fisrt fault analog module; First residual current action breaker and the second residual current action breaker are all arranged on power supply service main; Fisrt fault analog module comprises the first impedance unit and the first switch; First switch one end is connected with power supply service main, and the other end is connected with the first impedance unit, the first impedance unit ground connection;
Described three grades of leakage protection module are arranged on the power supply service main of training cabinet, be used for simulating the earth leakage protection of each user power utilization circuit, comprise the 3rd residual current action breaker, the 4th residual current action breaker, the 5th residual current action breaker and the second fault simulation module; Above-mentioned three residual current action breakers are all connected with power supply service main; Second fault simulation module comprises the second impedance unit and second switch, and second switch one end is connected with power supply service main, and the other end is connected with the second impedance unit, the second impedance unit ground connection;
Described idle compensating control is arranged on the power supply backbone of device, is used for simulating the reactive-load compensation of whole piece supply line;
Described actual training device is also provided with a voice timing module, and described voice timing module is connected with background computer communication by a communication converter, speech chronopher when taking an examination for student training.
Compared with prior art, its remarkable advantage is the utility model: (1) the utility model is provided with voice timing module, speech chronopher when taking an examination for student training; (2) the utility model simulation result is accurate, meets the requirement of distribution operation and maintenance personnel skills training, to the professional ability and the work efficiency that provide student, can ensure the safe and reliable operation of distribution network.
Accompanying drawing explanation
Fig. 1 is three grades of aftercurrent action protecting Simulated training device theory diagrams of the present utility model.
Fig. 2 is the circuit diagram of three grades of aftercurrent action protecting Simulated training devices of the present utility model.
Fig. 3 is the training cabinet structural drawing of three grades of aftercurrent action protecting Simulated training devices of the present utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further details.
Composition graphs 1, a kind of three grades of aftercurrent action protecting Simulated training devices, comprise background computer and a training cabinet be connected with described background computer, in described training cabinet, be provided with one-level leakage protection module, secondary leakage protection module, three grades of leakage protection module and idle compensating control;
Composition graphs 2, one-level leakage protection module is arranged on training cabinet power inleting terminal, is used for simulating the earth leakage protection of whole piece supply line, comprises RCD summation current transformer; RCD summation current transformer is all connected with power supply backbone, and RCD is connected with current transformer simultaneously;
Secondary leakage protection module is arranged on the power supply service main of training cabinet supply line, is used for simulating the earth leakage protection of whole piece supply line, comprises the first residual current action breaker, the second residual current action breaker and Fisrt fault analog module; First residual current action breaker and the second residual current action breaker are all arranged on power supply service main; Fisrt fault analog module comprises the first impedance unit and the first switch; First switch one end is connected with power supply service main, and the other end is connected with the first impedance unit, the first impedance unit ground connection;
Three grades of leakage protection module are arranged on the power supply service main of training cabinet, be used for simulating the earth leakage protection of each user power utilization circuit, comprise the 3rd residual current action breaker, the 4th residual current action breaker, the 5th residual current action breaker and the second fault simulation module; Above-mentioned three residual current action breakers are all connected with power supply service main; Second fault simulation module comprises the second impedance unit and second switch, and second switch one end is connected with power supply service main, and the other end is connected with the second impedance unit, the second impedance unit ground connection;
Idle compensating control is arranged on the power supply backbone of device, is used for simulating the reactive-load compensation of whole piece supply line;
Actual training device is also provided with a voice timing module, and described voice timing module is connected with background computer communication by a communication converter, speech chronopher when taking an examination for student training.
The end of incoming cables of the power supply backbone of actual training device is disposed with three current instruments and a universal seclector.
RCD model is JD6-6; The first ~ five residual current action breaker model is QLL1-1000Z; Current transformer is zero sequence current mutual inductor; Idle compensating control model is JKWD5.
Composition graphs 3, three grades of aftercurrent action protecting simulation training cabinets, cabinet adopts the design of GGD cabinet type, meets on-the-spot low-voltage distribution form, presses close to training scene, meets country and associated safety regulatory requirements.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. three grades of aftercurrent action protecting Simulated training devices, it is characterized in that, comprise background computer and a training cabinet be connected with described background computer, in described training cabinet, be provided with one-level leakage protection module, secondary leakage protection module, three grades of leakage protection module and idle compensating control;
Described one-level leakage protection module is arranged on training cabinet power inleting terminal, is used for simulating the earth leakage protection of whole piece supply line, comprises RCD summation current transformer; RCD summation current transformer is all connected with power supply backbone, and RCD is connected with current transformer simultaneously;
Described secondary leakage protection module is arranged on the power supply service main of training cabinet supply line, is used for simulating the earth leakage protection of whole piece supply line, comprises the first residual current action breaker, the second residual current action breaker and Fisrt fault analog module; First residual current action breaker and the second residual current action breaker are all arranged on power supply service main; Fisrt fault analog module comprises the first impedance unit and the first switch; First switch one end is connected with power supply service main, and the other end is connected with the first impedance unit, the first impedance unit ground connection;
Described three grades of leakage protection module are arranged on the power supply service main of training cabinet, be used for simulating the earth leakage protection of each user power utilization circuit, comprise the 3rd residual current action breaker, the 4th residual current action breaker, the 5th residual current action breaker and the second fault simulation module; Above-mentioned three residual current action breakers are all connected with power supply service main; Second fault simulation module comprises the second impedance unit and second switch, and second switch one end is connected with power supply service main, and the other end is connected with the second impedance unit, the second impedance unit ground connection;
Described idle compensating control is arranged on the power supply backbone of device, is used for simulating the reactive-load compensation of whole piece supply line;
Described actual training device is also provided with a voice timing module, and described voice timing module is connected with background computer communication by a communication converter, speech chronopher when taking an examination for student training.
2. three grades of aftercurrent action protecting Simulated training devices according to claim 1, is characterized in that, the end of incoming cables of the power supply backbone of described actual training device is disposed with three current instruments and a universal seclector.
3. three grades of aftercurrent action protecting Simulated training devices according to claim 1, is characterized in that, described RCD model is JD6-6; Described the first ~ five residual current action breaker model is QLL1-1000Z.
4. three grades of aftercurrent action protecting Simulated training devices according to claim 1, is characterized in that, described current transformer is zero sequence current mutual inductor.
5. three grades of aftercurrent action protecting Simulated training devices according to claim 1, is characterized in that, described idle compensating control model is JKWD5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006630.XU CN204440772U (en) | 2015-01-06 | 2015-01-06 | Three grades of aftercurrent action protecting Simulated training devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006630.XU CN204440772U (en) | 2015-01-06 | 2015-01-06 | Three grades of aftercurrent action protecting Simulated training devices |
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| CN204440772U true CN204440772U (en) | 2015-07-01 |
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| CN201520006630.XU Active CN204440772U (en) | 2015-01-06 | 2015-01-06 | Three grades of aftercurrent action protecting Simulated training devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525496A (en) * | 2020-06-04 | 2020-08-11 | 广东电网有限责任公司 | Method for carrying out graded leakage protection on residential area |
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2015
- 2015-01-06 CN CN201520006630.XU patent/CN204440772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525496A (en) * | 2020-06-04 | 2020-08-11 | 广东电网有限责任公司 | Method for carrying out graded leakage protection on residential area |
| CN111525496B (en) * | 2020-06-04 | 2022-03-18 | 广东电网有限责任公司 | Method for carrying out graded leakage protection on residential area |
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