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微电网对上级电网频率及电压的支持

Support of Micro Grid for Frequency and Voltage of Superior Grid
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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。
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