可再生能源2016，Vol.34Issue(10)：1449-1455,7.
面向多因素影响的间歇性能源系统无功电压运行风险分析
Effect of multiple factors for intermittent energy systems reactive voltage operation risk analysis
摘要
Abstract
Cluster of wind-photovoltaic power supply、electrified railway load multipoint distribution and AC/DC hybrid transmission system combine in the same regional power grid,it was bound to have an impact on the stability of the intermittent energy system,especially the safe operation of the grid connected voltage.To ensure the safe and stable operation of intermittent energy system,this paper simulated and quantitatively analysised the operational risk of reactive voltage under the influence of wind-photovoltaic power supply output change and electrified railway impact load based on the voltage deviation allowed of wind-photovoltaic power supply and electrified railway impact load connected node.Taking into account the impact of large-scale wind-photovoltaic power off-grid and the sending system HVDC monopole block,the transient voltage fluctuation during the fault period is discussed in order to further analyze the operation risk of reactive voltage.The results show that voltage operational risk of electric iron apoptosis is relatively large;the 750 kV nodes have little effect of wind-photovoltaic power off-grid,but the 220 kV node voltage risk is larger,and with the increase of the capacity of offgrid to deepen its operational risk;HVDC monopole block easily cause transient overvoltage phenomenon of converter station node so that the operation of voltage exists a certain risk.关键词
风、光电源/电铁/特高压直流/电压偏差Key words
wind-photovoltaic power supply/electrified railway/UHVDC/voltage deviation分类
能源科技引用本文复制引用
侯俊杰,樊艳芳,钟显..面向多因素影响的间歇性能源系统无功电压运行风险分析[J].可再生能源,2016,34(10):1449-1455,7.基金项目
国家自然科学基金项目(51467019). （51467019）
