CN114026762A - 消弧系统及方法 - Google Patents

消弧系统及方法 Download PDF

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Publication number
CN114026762A
CN114026762A CN202180004234.1A CN202180004234A CN114026762A CN 114026762 A CN114026762 A CN 114026762A CN 202180004234 A CN202180004234 A CN 202180004234A CN 114026762 A CN114026762 A CN 114026762A
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China
Prior art keywords
vector
voltage
distribution network
selection switch
power distribution
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CN202180004234.1A
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CN114026762B (zh
Inventor
芮骏
余银钢
李磊
洪新春
康瑞新
吴飞成
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Anhui Onesky Electrical Technology Co ltd
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Anhui Onesky Electrical Technology Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H02H3/167—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass combined with other earth-fault protective arrangements

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  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

本发明公开了一种消弧系统及方法。该系统包括：矢量变压器和矢量电压选择开关，其中，该矢量变压器的一次绕组的第一端与配电网连接，该一次绕组的第二端经过该矢量电压选择开关与该矢量变压器的二次绕组的第一端连接，该二次绕组的第二端接地，该二次绕组的输出电压与该一次绕组的电压存在相位差；该矢量电压选择开关在该配电网发生接地故障的情况下相应地闭合。本发明在零序回路中接入了合适相位和幅值的矢量电压，以降低接地故障点电压，消除接地故障点电弧。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN202180004234.1A 2020-02-26 2021-01-13 消弧系统及方法 Active CN114026762B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202010121697.3A CN111181146A (zh) 2020-02-26 2020-02-26 消弧系统及方法
CN2020101216973 2020-02-26
PCT/CN2021/071390 WO2021169643A1 (zh) 2020-02-26 2021-01-13 消弧系统及方法

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CN114026762A true CN114026762A (zh) 2022-02-08
CN114026762B CN114026762B (zh) 2022-08-02

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CN202180004234.1A Active CN114026762B (zh) 2020-02-26 2021-01-13 消弧系统及方法

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WO (1) WO2021169643A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111181146A (zh) * 2020-02-26 2020-05-19 安徽一天电气技术股份有限公司 消弧系统及方法
CN114068156A (zh) * 2021-11-19 2022-02-18 广东福德电子有限公司 一种兼作站用变的改进型接地变压器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107147096A (zh) * 2017-07-06 2017-09-08 长沙理工大学 非有效接地系统接地故障相主动降压安全处理方法
CN107276097A (zh) * 2017-07-05 2017-10-20 长沙理工大学 非有效接地系统接地故障相降压消弧的安全运行方法
CN209709686U (zh) * 2019-01-14 2019-11-29 国网江西省电力有限公司南昌供电分公司 一种基于故障相经判相防错开关技术的消弧装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013158236A (ja) * 2012-01-31 2013-08-15 General Electric Co <Ge> ヒューズ保護システム内のアーク制御
CN111181146A (zh) * 2020-02-26 2020-05-19 安徽一天电气技术股份有限公司 消弧系统及方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276097A (zh) * 2017-07-05 2017-10-20 长沙理工大学 非有效接地系统接地故障相降压消弧的安全运行方法
CN107147096A (zh) * 2017-07-06 2017-09-08 长沙理工大学 非有效接地系统接地故障相主动降压安全处理方法
CN209709686U (zh) * 2019-01-14 2019-11-29 国网江西省电力有限公司南昌供电分公司 一种基于故障相经判相防错开关技术的消弧装置

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CN111181146A (zh) 2020-05-19
CN114026762B (zh) 2022-08-02
WO2021169643A1 (zh) 2021-09-02

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