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Automatic modeling analysis method for over-voltage level of switching reactor of vacuum circuit breaker

A technology of vacuum circuit breakers and switching reactors, which is applied in the field of high-voltage power transmission and transformation, can solve the problems of complex configuration and troublesome operation, and achieve the effects of convenient operation, good application prospects, and good human-computer interaction interface

Active Publication Date: 2013-09-18
STATE GRID CORP OF CHINA +4
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems of complex configuration, cumbersome operation, and the need to manually build a logic judgment module in the prior art method for analyzing the overvoltage of the switching reactor of the vacuum circuit breaker

Method used

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  • Automatic modeling analysis method for over-voltage level of switching reactor of vacuum circuit breaker
  • Automatic modeling analysis method for over-voltage level of switching reactor of vacuum circuit breaker
  • Automatic modeling analysis method for over-voltage level of switching reactor of vacuum circuit breaker

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] The automatic modeling and analysis method of the overvoltage level of the switching reactor of the vacuum circuit breaker of the present invention can automatically establish an analysis model by setting a small number of parameters and selecting calculation conditions, and provides an analysis platform for developing the overvoltage of the switching reactor of the vacuum circuit breaker , and after simulation analysis and testing, the modeling analysis using this method has a good human-computer interaction interface and is easy to operate. The calculation results are consistent with the analysis of EMTP / ATP, EMTDC / PSCAD software, and the results obtained are consistent. Plays a major role in the calculation and analysis of operating overvoltage levels, such as figure 1 As shown, it specifically includes the following steps,

[0024] Step (1) Establish an ana...

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Abstract

The invention discloses an automatic modeling analysis method for an over-voltage level of a switching reactor of a vacuum circuit breaker. The automatic modeling analysis method comprises the steps of: 1) establishing an analysis model for the over-voltage level of the switching reactor of the vacuum circuit breaker; 2) managing the analysis model; 3) calculating the over-voltage level; and 4) outputting and displaying. By setting a small number of parameters and selecting a calculation condition, the analysis model can be set up automatically, and an analysis platform is provided for the over-voltage level of the switching reactor of the vacuum circuit breaker; the automatic modeling analysis method for the over-voltage level of the switching reactor of the vacuum circuit breaker has a good man-machine interaction interface, is convenient to operate, plays a main role in the calculation and analysis of the over-voltage level of the switching reactor of the vacuum circuit breaker, and has a good application foreground.

Description

technical field [0001] The invention relates to an automatic modeling and analysis method for the overvoltage level of a switching reactor of a vacuum circuit breaker, belonging to the technical field of high-voltage power transmission and transformation. Background technique [0002] At present, vacuum circuit breakers are widely used for their strong arc extinguishing ability, but because of their strong arc extinguishing ability, it will cause overvoltage when extinguishing arcs. The main load of vacuum circuit breakers There are inductive equipment and capacitive equipment, and the breaking overvoltage is mainly the interception and re-ignition of the vacuum arc of the circuit breaker. On the one hand, when the vacuum circuit breaker breaks the inductive small current, the inductive device stores energy when the arc is extinguished, which can oscillate at the load end or convert it into an overvoltage on the capacitance to the ground; on the other hand, the heavy arc dur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/36
Inventor 周志成陶风波马勇孙秋芹谢天喜吉亚民李长益张劲松
Owner STATE GRID CORP OF CHINA
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