中国电机工程学报Issue(16)：4102-4111,10.DOI:10.13334/j.0258-8013.pcsee.2015.16.013
考虑负荷波动极限的电力系统电压稳定性风险评估
Power System Voltage Stability Risk Assessment Considering the Limit of Load Fluctuation
摘要
Abstract
There is a lot of uncertainty in power system operation. Considering the limit of load fluctuation,different voltage stability risk assessment indicators were proposed to identify the weak areas of the system,which were from voltage, node type and network load bearing capacity point of view. The probabilistic load flow based on Latin hypercube sampling was applied to the risk assessment of voltage stability. Combined with the N−1 fault analysis method, the collapse states of power system caused by different load fluctuation were researched .The distributions of load and node voltage at those states were analyzed and the corresponding distribution surfaces were drew for discussing the possibility and seriousness of the collapse states of power system and the influence of load fluctuation to the node voltage. The validity of proposed method was tested on IEEE 30 bus system and a practical 220 kV Taiyuan power system in Shanxi Province of China. The simulation results show that the proposed method find the distributions of load, node voltage, total load under the states of system collapse. And the proposed indicators are correct, consistent and feasible in application.关键词
负荷波动/概率潮流/拉丁超立方抽样/电压稳定性/风险评估Key words
load fluctuation/probabilistic load flow/Latin hypercube sampling/voltage stability/risk assessment分类
信息技术与安全科学引用本文复制引用
秦文萍,任琛,韩肖清,王鹏,刘志娟..考虑负荷波动极限的电力系统电压稳定性风险评估[J].中国电机工程学报,2015,(16):4102-4111,10.基金项目
山西省科技攻关项目(20130321027-01)；山西省煤基重点科技攻关项目(MD2014-06)；山西省回国留学人员科研资助项目(2014-030)。 Shanxi Province Science and Technology Tackling Key Project (20130321027-01) （20130321027-01）
Shanxi Province Coal-Based Science and Technology Tackling Key Project (MD2014-06) （MD2014-06）
Research Project Supported by Shanxi Scholarship Council of China (2014-030) （2014-030）
