The mechanism of DFIGs grouping tripped off from power grid

Gang Mu; Jian Wang; Gangui Yan

doi:10.17775/CSEEJPES.2016.01530

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The mechanism of DFIGs grouping tripped off from power grid

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- The mechanism of DFIGs grouping tripped off from power grid
- The mechanism of DFIGs grouping tripped off from power grid
- 中国电机工程学会电力与能源系统学报(英文) 2018年4卷第1期页码：103-111
- 作者机构：
  
  School of Electrical Engineering (Northeast Electric Power University),Jilin,China,132012
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2016.01530
  中图分类号：
- 纸质出版：2018
- 稿件说明：
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Gang Mu, Jian Wang, Gangui Yan. The mechanism of DFIGs grouping tripped off from power grid[J]. 中国电机工程学会电力与能源系统学报(英文), 2018,4(1):103-111.

Gang Mu, Jian Wang, Gangui Yan. The mechanism of DFIGs grouping tripped off from power grid[J]. CSEE Journal of Power and Energy Systems, 2018, 4(1): 103-111.
Gang Mu, Jian Wang, Gangui Yan. The mechanism of DFIGs grouping tripped off from power grid[J]. 中国电机工程学会电力与能源系统学报(英文), 2018,4(1):103-111. DOI： 10.17775/CSEEJPES.2016.01530.

Gang Mu, Jian Wang, Gangui Yan. The mechanism of DFIGs grouping tripped off from power grid[J]. CSEE Journal of Power and Energy Systems, 2018, 4(1): 103-111. DOI： 10.17775/CSEEJPES.2016.01530.

摘要

Abstract

With more and more big wind farms integrating to grid

the faults of doubly fed induction generators (DFIGs) grouping tripped off (GTO) have occurred and bring serious power impacts on the grid. Usually

it was considered that the fault of DFIGs GTO is only related to the low/high voltage disturbances in the grid and manipulated as an electromagnetic transients. But

we discover that the fault of DFIGs GTO are also related to operating condition of DFIGs and schemes of crowbar protection equipped with DFIGs

and it may be extended to an electromechanical transient in some situations. Based on the investigation of the factors related to DFIGs GTO

such as degree of voltage disturbances

operating conditions of DFIGs and schemes of crowbar protection

three types of DFIGs GTOs are classified and corresponding mechanisms are revealed. The calculation methods to confirm the mechanism are established. The effectiveness of the proposed methods are verified by simulating some cases of DFISs GTO.

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