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Arc suppression coil control system

An arc suppression coil and control system technology, applied in the field of electric power system, can solve problems affecting the working stability of electric power system, etc., and achieve the effect of improving stability and ensuring safety

Active Publication Date: 2020-10-16
徐华 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the normal operation in the power system and other faults except single-phase arcing grounding, overvoltage may be generated, which makes the arc suppression coil mistakenly believe that there is a fault and repeats the work, which affects the stability of the power system.

Method used

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Embodiment Construction

[0020] The conception and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention.

[0021] In the description of the present invention, if a feature is referred to as being "set", "fixed", "connected", "mounted" on another feature, it may be directly set, fixed, connected to another feature, or Indirectly set, fix, connect, mount on another feature.

[0022] In the description of the embodiments of the present invention, if it involves "several", it means more than one, if it involves "multiple", it means more than tw...

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Abstract

The invention discloses an arc suppression coil control system, and the system comprises an arc suppression coil, wherein an input end of the arc suppression coil is electrically connected with a neutral point of a three-phase phase line, and an output end of the arc suppression coil is grounded; a fault detection module which is in coupling connection with the output end of the arc suppression coil and is used for detecting the fault condition and sending a first signal; a first control module, wherein one end of the first control module is electrically connected with the fault detection module, and the first control module is used for sending a second signal according to the first signal; and a second control module, wherein one end of the second control module is in coupling connectionwith the other end of the first control module, and the other end of the second control module is electrically connected with the input end of the arc suppression coil and used for controlling the connection state of the arc suppression coil according to the second signal. According to the embodiment of the invention, the fault condition of the power system is detected through the fault detectionmodule, and the arc suppression coil is controlled to be short-circuited when the power system operates normally, so the stable operation of the power system is ensured.

Description

technical field [0001] The invention relates to the field of power systems, in particular to an arc suppression coil control system. Background technique [0002] At present, when the power system is struck by lightning or a single-phase arc is grounded, it is easy to cause the power system to fail. In the related art, by connecting an arc suppressing coil to the neutral point of the transformer, when a fault occurs, the arc suppressing coil compensates the fault current, avoids grounding faults, and ensures the safety of the power system. However, due to the normal operation in the power system and other faults except single-phase arcing grounding, overvoltage may be generated, which makes the arc suppression coil mistakenly believe that there is a fault and repeats the work, which affects the stability of the power system. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, ...

Claims

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Application Information

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IPC IPC(8): H02H9/08H02H3/16H02P13/00
CPCH02H9/08H02H3/162H02P13/00
Inventor 徐华丁勤何曙光
Owner 徐华
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