A method for testing the comprehensive state of a circuit breaker

A technology of comprehensive state and test method, applied in the direction of circuit breaker testing, etc., can solve the problems of inability to fully reflect the working state of high-voltage circuit breakers, few monitoring parameters, poor real-time performance, etc., and achieve good human-computer interaction and easy removal High-frequency noise, good effect of high-frequency noise interference

Inactive Publication Date: 2011-12-21
国网内蒙古东部电力有限公司赤峰供电公司
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Problems solved by technology

Chinese Patent No. "200910067220.5" titled "A Circuit Breaker State Test Method" can measure the closing resistance and input time, but the measurement accuracy of other parameters is low, and the speed parameter cannot be measured, and the measurement of the time parameter is only is an idea
[0006] To sum up, the relevant circuit breaker status testers at home and abroad generally have shortcomings such as few monitoring parameters and poor real-time performance, which cannot fully reflect the working status of the high-voltage circuit breaker, and the interface display is not friendly enough and the operation is complicated.

Method used

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[0030] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be further described below in conjunction with the accompanying drawings.

[0031] A method for testing the comprehensive state of a circuit breaker, comprising the following steps:

[0032] (A) Construction of software environment based on LINUX operating system and Qt / Embedded;

[0033] Depend on figure 1 It can be seen that the system running sequence is: Bootloader starts to execute when the system is powered on, initializes the hardware device, prepares the software environment, and finally calls the operating system kernel. The operating system is located on the hardware. Its main functions are memory management, file management, device Manage and provide network protocols. The root file system mainly cooperates with the operating system to realize the file management function, and provides some system library functions for users to call, such as Qt / Embedded library, C function library, a...

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Abstract

The invention discloses a circuit breaker comprehensive state test method, belonging to the field of power system state test methods, which comprehensively reflects the working state of a high-voltage circuit breaker, including the opening and closing coil current, time parameters, speed parameters, closing resistance and Invest time in testing. The invention has precise parameter measurement, good man-machine interaction interface, effectively reduces potential safety hazards, and is of great significance for improving the continuity and high efficiency of power system transmission, reducing equipment failure rate, and improving the reliability of circuit breaker work.

Description

technical field [0001] The invention belongs to a method for testing the state of a power system, in particular to a method for testing the comprehensive state of a circuit breaker. Background technique [0002] With the development of the power system towards high voltage and large capacity, the power operation department has put forward an urgent need and higher requirements for ensuring the operation reliability of high voltage circuit breakers. Therefore, implementing condition-based maintenance on high-voltage circuit breakers and mastering their operating characteristics and changing trends can reduce premature or unnecessary blackout tests and inspections, reduce maintenance workload, reduce maintenance costs, improve the pertinence of inspections, and significantly increase power consumption. Reliability and economy of system operation. [0003] Overseas research work on high-voltage circuit breaker state parameter testing has been carried out relatively early, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327
Inventor 胡晓光左廷涛田立岩张亚萍孙广霍桂玲武学亮姜涛
Owner 国网内蒙古东部电力有限公司赤峰供电公司
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