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Circuit breaker testing method and terminal

A test method and circuit breaker technology, applied in circuit breaker testing, instruments, measuring electricity, etc., can solve the problems of large test, high operation risk, low test efficiency, etc.

Inactive Publication Date: 2018-04-06
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a circuit breaker testing method and terminal to solve the problems in the prior art that human-operated instruments lead to low testing efficiency, large testing and high operational risk

Method used

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  • Circuit breaker testing method and terminal
  • Circuit breaker testing method and terminal
  • Circuit breaker testing method and terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] figure 1 The method for testing a circuit breaker provided by an embodiment of the present invention is shown, and the method for testing a circuit breaker includes the following steps:

[0046] Step S101, connect the high-voltage switch characteristic tester with the energy storage motor circuit and the control power supply circuit of the circuit breaker operating mechanism, and adjust the output voltage of the high-voltage switch characteristic tester so that the output current reaches a preset value.

[0047]In this embodiment, one measurement channel of the high-voltage switch characteristic tester is connected to the three-phase electricity in the circuit breaker, and the common channel of the high-voltage switch characteristic tester is connected to the three-phase electricity in the circuit breaker. connection; the DC output of the high-voltage switch characteristic tester is connected to the energy storage motor circuit; the sensor joint of the high-voltage swit...

Embodiment 2

[0079] The specific flow of the router testing method provided in the following embodiment 2 is described in detail as follows:

[0080] 1. Preparation before the test

[0081] Before testing the circuit breaker, the following procedures are required:

[0082] 1. Manually check that the energy storage, closing and opening mechanical functions of the circuit breaker are normal. All parameters of the circuit breaker are in the rated state.

[0083] 2. Fully release the energy of the circuit breaker operating mechanism, and disconnect the circuit breaker control and energy storage power supply.

[0084] 3. Remove the lead wires on both sides of the circuit breaker, and take grounding measures on both sides of the circuit breaker.

[0085] 4. Ground the high-voltage switch characteristic tester reliably, and then follow the figure 2 It is required to do a good job of detecting wiring, and check to confirm that the wiring is correct. In this embodiment, the high-voltage switc...

Embodiment 3

[0123] Corresponding to the circuit breaker testing method described in Embodiment 1 above, image 3 A schematic diagram of the operating environment of the circuit breaker test program 300 provided by the embodiment of the present invention is shown. For ease of description, only the parts related to this embodiment are shown.

[0124] In this embodiment, the network node configuration program 300 is installed and run in the circuit breaker test terminal 30 . The circuit breaker test terminal 30 may include, but is not limited to, a memory 301 and a processor 302 . image 3 Only circuit breaker test terminal 30 is shown with components 301-302, but it should be understood that implementing all of the illustrated components is not a requirement and that more or fewer components may instead be implemented.

[0125] The memory 301 may be an internal storage unit of the circuit breaker test terminal 30 in some embodiments, such as a hard disk or memory of the circuit breaker te...

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Abstract

The invention is applicable to the technical field of circuit breakers and provides a circuit breaker testing method and terminal. The method comprises a step of connecting a high-voltage switch characteristic tester to an energy storage motor circuit and a control power supply circuit of a circuit breaker operating mechanism, and adjusting output voltage of the high-voltage switch characteristictester, a step of testing DC resistance of an energy storage motor circuit motor through the high-voltage switch characteristic tester, a step of adjusting the output voltage of the high-voltage switch characteristic tester to be rated voltage after a DC resistance test of the energy storage motor is completed and carrying out energy storage on the energy storage motor circuit, and a step of adjusting the output voltage to be a first preset multiple of the rated voltage after the energy storage of the energy storage motor circuit is completed, testing a switch-on control circuit of the controlpower supply circuit, adjusting the output voltage to be a second preset multiple of the rated voltage, and testing a switch-off control circuit of the control power supply circuit. According to theabove method, errors brought by human operations can be reduced, the work efficiency is improved, and operational risk is reduced.

Description

technical field [0001] The invention belongs to the technical field of circuit breakers, and in particular relates to a circuit breaker testing method and a terminal. Background technique [0002] In the power system, high-voltage circuit breakers (commonly known as switches) are important equipment. The mechanical characteristic test and operating voltage test are the main test items to ensure the reliable operation of the equipment. They are all routine test items. Due to the large number of equipment, the frequency of testing is very high. high. Usually, the test is carried out when the equipment is powered off, using AC 220V power supply, there is a certain risk of electric shock, and someone needs to be supervised. In addition, due to the AC 220V power wiring of the equipment mechanism, it is easy to burn the instrument due to wiring errors, and each test takes a long time. According to the standard of professional skills competition, it takes 1 hour to test a piece of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327
CPCG01R31/3272
Inventor 郭小燕祝晓辉闫佳文蒋春悦王伟刘哲邹园吴强陈长金白廷玉易克难纪璐
Owner STATE GRID CORP OF CHINA
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