Security and Stability Analysis of Zhoushan Islands Power Grid with Flexible DC Transmission System
The operation mode of Zhoushan power grid in 2013 will have many devices in operation simultaneously,including flexible DC transmission system,conventional DC transmission system,wind generator and reactive power compensators like SVC.This paper models on Zhoushan islands power grid which includes many types of complicated power electronic devices by PSD-BPA.The influence of AC transmission system faults,Lusheng DC system blocking faults,wind generator off-grid and wind power fluctuation on Zhoushan grid's normal operation are analyzed.And the positive significance of flexible DC transmission system on Zhoushan grid is illustrated by the comparison of Zhoushan grid's operation status before and after the operation of flexible DC transmission system.Measures and proposals are put forward to maintain the security and stability operation of Zhoushan grid.
AC/DC hybrid systemwind powerstability analyzeflexible DC transmission system