中国电力2017，Vol.50Issue(12)：165-172,8.DOI:10.11930/j.issn.1004-9649.201707136
基于逆变型DG控制特性的微电网故障特征分析
New Microgrid Fault Analysis Method Based on Inverter-Type DG Characteristic
季亮 1张海涛 1任建铭 2杨兴武 1陶晓杰1
作者信息
- 1. 上海电力学院电气工程学院,上海200090
- 2. 国网太原供电公司,山西太原030021
- 折叠
摘要
Abstract
Inverter-type distributed generation output is different from traditional generation during system fault.This results in challenges on fault characteristic analysis and protection schemes of microgrid.The output of inverter-type DG depends on not only microgrid conditions but also control modes.Firstly,new equivalent fault analysis model of microgrid is developed with consideration of PQ control and V/F control constraints.Secondly,Based on equivalent model,DG fault voltage and current under both symmetrical and asymmetrical conditions are determined.Finally,the well-developed power grid simulation software DIgSILENT is used to build microgrid simulation model of inverter-type DG with both PQ control and V/F control functions.The simulation results are compared with results calculated by traditional fault analysis.The comparison results verify the effectiveness and accuracy of proposed fault analysis method.关键词
微电网/故障特性分析/PQ控制/V/F控制/逆变型DGKey words
microgrid/fault analysis/PQ control/V/F control/inverter-type DG分类
信息技术与安全科学引用本文复制引用
季亮,张海涛,任建铭,杨兴武,陶晓杰..基于逆变型DG控制特性的微电网故障特征分析[J].中国电力,2017,50(12):165-172,8.
