摘要
基于美国西部联合电网(Western Systems Coordinating Council,WSCC)三机九节点系统,建立了一个带有逆变并网接口的输电网模型。以光伏发电为例,利用逆变并网接口模型模拟了微电网与上级输电网的连接。结果表明在上级输电网的有功与无功负荷发生突变时,微电网的接入使上级输电系统的有功与无功功率能够实现就地平衡,并保持系统频率与电压幅值的稳定。
A transmission network model with synchronization inversion interface is built, which is based on the WSCC (Western Systems Coordinating Council) 9-Bus system. At the same time, the modeling and simu- lation of photovoltaic array and synchronization inversion interface model. Taking the photovoltaic generation as example, the synchronization inversion interface model can simulate the connection of micro grid and superi- or grid. When the active and reactive load encounter a sudden change, the superior transmission system can realize the in-situ balance of active and reactive power, as well as the stabilization of the system voltage's mag- nitude and frequency, with the help of the access of micro grid.
出处
《电力与能源》
2012年第3期251-255,共5页
Power & Energy
关键词
微电网
频率调节
电压调节
PSCAD
动态模拟
micro grid
frequency adjustment
voltage regulation
PSCAD
physical simulation
作者简介
解大(1969-),男,博士研究生,副教授,从事电力系统FACTS研究和电力系统仿真;
徐涛(1988-),男,硕士研究生,从事电力系统仿真;
张延迟(1967-),男,博士研究生,副教授,从事并网型风力发电机和电力系统仿真;
艾芊(1969-),男,博士研究生,副教授,研究方向为智能电网。