Study on the Overvoltage and Suppression Protection Technology of SF<sub>6</sub> Circuit Breaker Switching 66 kV Dry-type Shunt Reactor

YU Qunying; ZHAO Chunming; YANG Daiyong; LIU He; ZHANG Yiyun

doi:10.13296/j.1001-1609.hva.2020.05.033

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Study on the Overvoltage and Suppression Protection Technology of SF₆ Circuit Breaker Switching 66 kV Dry-type Shunt Reactor

更新时间：2025-04-26

- Study on the Overvoltage and Suppression Protection Technology of SF₆ Circuit Breaker Switching 66 kV Dry-type Shunt Reactor
- High VoltageApparatus Vol. 56, Issue 5, Pages: 223-228(2020)
- 作者机构：
  
  国网吉林省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.05.033
  CLC： TM472
- Published：2020
- 稿件说明：
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[1]于群英,赵春明,杨代勇,刘赫,张益云.SF_6断路器投切66 kV干式并联电抗器过电压及抑制防护技术研究[J].高压电器,2020,56(05):223-228.

YU Qunying, ZHAO Chunming, YANG Daiyong, et al. Study on the Overvoltage and Suppression Protection Technology of SF₆ Circuit Breaker Switching 66 kV Dry-type Shunt Reactor[J]. High voltageapparatus, 2020, 56(5): 223-228.
[1]于群英,赵春明,杨代勇,刘赫,张益云.SF_6断路器投切66 kV干式并联电抗器过电压及抑制防护技术研究[J].高压电器,2020,56(05):223-228. DOI： 10.13296/j.1001-1609.hva.2020.05.033.

YU Qunying, ZHAO Chunming, YANG Daiyong, et al. Study on the Overvoltage and Suppression Protection Technology of SF₆ Circuit Breaker Switching 66 kV Dry-type Shunt Reactor[J]. High voltageapparatus, 2020, 56(5): 223-228. DOI： 10.13296/j.1001-1609.hva.2020.05.033.

摘要

文中为了研究SF

断路器投切干式并联电抗器产生过电压的种类及水平

以及提出有效的抑制防护措施

构建了SF

断路器投切并联电抗器三相仿真模型

理论推导了过电压种类及其特点;并依据66 kV干式空心并联电抗器实测和设计参数进行了仿真

得到了不同过电压的波形

阐述了产生不同过电压的机理;最后提出了抑制干式空心并联电抗器过电压的防护措施

通过仿真验证防护技术的可行性。经仿真计算得出SF

断路器投切66 kV并联电抗器产生的过电压与断路器的投切相角、投切速度以及截流值有关

最后通过仿真比对验证了文中提出的避雷器和阻容吸收协同保护装置对过电压的幅值和频率抑制效果的有效性

为干式并联电抗器过电压的抑制提供了理论支撑。

Abstract

In order to study the type and level of overvoltage generated by the SF

circuit breaker switching dry-type shunt reactor

and propose effective restraint measures

the three-phase simulation model of the SF

circuit breaker switching shunt reactor is constructed

and the type and characteristic of overvoltage are deduced on the theory;And based on the actual measurement and design parameters of the 66 kV dry-type air core shunt reactor

the waveforms of different overvoltage are obtained

and the mechanism is described for generating different overvoltage;Finally

the prot

ection measures for suppressing the overvoltage of dry-type air core shunt reactor are proposed

and the feasibility of protection technology is verified by simulation.The simulation calculated that the overvoltage generated by the SF

circuit breaker switching 66 kV shunt reactor is related to the opening phase angle

opening speed and intercepting value of the circuit breaker.Finally

the effectiveness of the arrester and RC absorption protection device proposed in this paper is validated for the amplitude and frequency suppression effect of overvoltage

which provides theoretical support for the suppression of overvoltage of dry shunt reactor.

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⁰

Study on the Overvoltage and Suppression Protection Technology of SF6 Circuit Breaker Switching 66 kV Dry-type Shunt Reactor

DOI：10.13296/j.1001-1609.hva.2020.05.033

摘要

Abstract

关键词

Keywords

references

Study on the Overvoltage and Suppression Protection Technology of SF₆ Circuit Breaker Switching 66 kV Dry-type Shunt Reactor