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High voltage isolation switch mechanical fault detection device and method

A technology for high-voltage isolating switches and mechanical failures, which is applied to measuring devices, measuring electricity, and measuring electrical variables, etc., and can solve problems such as single-detection high-voltage isolating switch mechanical failures

Inactive Publication Date: 2017-05-31
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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Problems solved by technology

[0005] The invention provides a high-voltage isolating switch mechanical fault detection device and detection method to solve the problem that the existing detection method can only detect the high-voltage isolating switch mechanical fault only

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  • High voltage isolation switch mechanical fault detection device and method
  • High voltage isolation switch mechanical fault detection device and method
  • High voltage isolation switch mechanical fault detection device and method

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Embodiment Construction

[0043] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0044] Please refer to the attached figure 1 , with figure 1 A schematic flowchart of a detection method of a high-voltage disconnector mechanical fault detection method provided by an embodiment of the present invention is shown. The descriptions of the following high-voltage disconnector mechanical fault detection methods are attached figure 1 as the basis.

[0045] An embodiment of the pr...

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Abstract

The invention provides a high voltage isolation switch mechanical fault detection device and method. According to the method and the device, correlation coefficients between current data of a to-be-detected high voltage isolation switch and standard waveform are calculated to determine whether the to-be-detected high voltage isolation switch has a mechanical fault and to determine severity of the existing mechanical fault, so fault caused by empirical judgment of a worker can be avoided, moreover, all the current data transmitted by a lower computer can be processed by a host computer, so an operation state of the high voltage isolation switch can be determined, not only can maintenance efficiency be substantially improved, manpower and material cost is saved, but also missing detection can be further avoided.

Description

technical field [0001] The invention relates to the technical field of mechanical failure analysis of a high-voltage isolating switch, in particular to a mechanical failure detection device and method for a high-voltage isolating switch. Background technique [0002] High voltage switch, also known as high voltage circuit breaker, is a commonly used equipment in power system. The high-voltage switch can not only cut off or close the no-load current and load current in the high-voltage circuit, but also cut off the overload current and short-circuit current through the function of the relay protection device when the power system fails. [0003] There are many types of high-voltage switches, among which high-voltage isolating switches are the most widely used in power systems. When in use, high-voltage isolating switches need to be used in conjunction with high-voltage circuit breakers. In general, the amount of high-voltage isolating switches is 2 to 4 times that of high-vo...

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Application Information

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IPC IPC(8): G01R31/327
CPCG01R31/3275
Inventor 马宏明程志万彭晶彭兆裕杨明昆何顺
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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