Analysis on Frequency Oscillation Accident and Low-frequency Load Reduction Scheme for Changdu Power Grid

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- Analysis on Frequency Oscillation Accident and Low-frequency Load Reduction Scheme for Changdu Power Grid
- Issue 2, Pages: 36-38(2006)
- 作者机构：
  
  西藏昌都电力公司西藏昌都850000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM712
- Published：2006
- 稿件说明：
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[1]汪登华.昌都电网频率震荡事故及系统低频减载方案分析[J].四川电力技术,2006(02):36-38.

Wang Denghua. Analysis on Frequency Oscillation Accident and Low-frequency Load Reduction Scheme for Changdu Power Grid[J]. 2006, (2): 36-38.
[1]汪登华.昌都电网频率震荡事故及系统低频减载方案分析[J].四川电力技术,2006(02):36-38. DOI：

Wang Denghua. Analysis on Frequency Oscillation Accident and Low-frequency Load Reduction Scheme for Changdu Power Grid[J]. 2006, (2): 36-38. DOI：

全文综述了昌都电网结构及电网频率震荡事故的过程

从理论上分析了中性点不接地的配电网中常会发生电压互感器（TV）饱和引起的铁磁谐振可能引起系统频率的震荡

并分析了昌都电网低周减载方案

提出了防止低周减载误动的方法。

The structure of Changdu power grid and the process of frequency oscillation accident are summed up

it is analyzed theoretically that the reason of the system oscillation is the ferromagnetic saturation of TV

low-frequency load reduction scheme for Changdu power grid is also analyzed

and the method against misoperation of low-frequency load reduction is put forward.

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