中国电机工程学报2016，Vol.36Issue(18)：4837-4846,10.DOI:10.13334/j.0258-8013.pcsee.160577
对等控制孤岛微电网的静态安全风险评估
Static Security Risk Assessment of Islanded Microgrids Under Peer-peer Control
摘要
Abstract
ABSTRACT:The random and volatile output of inntermittent renewable energy power generation, and lack of the main network support, increase security operation risk of the islanded microgrid system. So it is necessary to carry out static security assessment for it. Safety analysis criteria and power flow calculation are the basis of power grid static security risk assessment. According to characteristics of the islanded microgrid under peer-peer control, a static security analysis criteria combined N−1 contingency and splitting scheme was proposed. Considering a larger number of uncertainties and the characteristic that the islanded system splitted caused by outages has not a balance node, a probabilistic power flow simulation calculation method based on Levenberg Marquardt method with inexact line-search (LMIL) algorithm was proposed to calculate probabilistic power flow of the islanded systems splitted. Further, probability distributions of static security risk indices considering frequency limit violation risk index were obtained. It can be more comprehensive to assess the system static security risk. Assessment results on 17-node islanded microgrid test system verified the feasibility and validity of the proposed method.关键词
对等控制孤岛微电网/静态安全风险评估/解列方案/LMIL算法/随机潮流/频率越限风险Key words
islanded microgrids under peer-peer control/static security risk assessment/splitting scheme/Levenberg Marquardt method with inexact line-search (LMIL) algorithm/probabilistic power flow/frequency limit violation risk分类
信息技术与安全科学引用本文复制引用
彭寒梅,曹一家,黄小庆..对等控制孤岛微电网的静态安全风险评估[J].中国电机工程学报,2016,36(18):4837-4846,10.基金项目
国家自然科学基金项目(51507149)。Project Supported by National Natural Science Foundation of China (51507149) （51507149）
