Research of Power System Steady-state Model with Distributed Photovoltaic Based on Digsilent
At present,the traditional power production mode has been difficult to meet the demand of new situation,it is urgently necessary to adapt new power production mode,distributed generation(DG)technology can improve the reliability of large-scale interconnected power system.However,distributed power supply for the grid is not a controlled source,with the increase of DG,its negative effects on the stability of power system and power quality isnt ignored.A comprehensive dynamic analysis for micro power grid is needed to conduct.In the thesis the significance of distributed power grid simulation is summed up,the steady-state simulation model of photovoltaic is studied and one micro grid is tested with the commercial simulation software DIGSILENT Power Factory.The test results show that,from the perspective of the steady-state,photovoltaic generating is treated as a PQ node is the most appropriate,when adopt the droop control situation,while increasing the number of droop control of photovoltaic power generation units and reduce the active power of the photovoltaic power generation unit the degree of reactive power over-limited can be reduced.
Photovoltaic Generation Steady Running PQ droop Control Nodes
GU Cailian JI Jianwei LIU Li
College of Electrical Engineering,Shenyang Institute of Engineering Shenyang-110036 China;College of College of information and electrical engineering,Shenyang agriculture university Shenyang-110021 ch College of Electrical Engineering,Shenyang Institute of Engineering Shenyang-110036 China
国际会议
长沙
英文
2175-2180
2014-05-31（万方平台首次上网日期，不代表论文的发表时间）