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Dynamical and Voltage Profile Stability of Inverter-Connected Distributed Power Generation

机译:逆变器分布式电源的动态和电压曲线稳定性

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摘要

We present a systematic stability analysis of inverter-connected distributed generation. Our approach is to replace simulations with much faster and more informative analysis using transfer functions. The transfer functions characterize the dynamics of the interconnected feedback loops in the system. The methodology is applicable to different types of inverters, including droop inverters. It also may be applied to distribution systems with arbitrary topology. The analysis allows evaluation of system stability and performance, subject to frequency, load, and power set-point disturbances. By means of two examples we demonstrate how the proposed approach can help in analysis and engineering of the distribution systems with acceptable frequency and voltage profile responses to both distributed generation power and grid frequency disturbances.
机译:我们对逆变器连接的分布式发电系统进行系统稳定性分析。我们的方法是使用传递函数,以更快,更有用的分析代替模拟。传递函数描述了系统中相互连接的反馈回路的动态特性。该方法适用于不同类型的逆变器,包括下垂逆变器。它也可以应用于具有任意拓扑的配电系统。通过分析,可以评估系统稳定性和性能,以及频率,负载和功率设定点的干扰。通过两个示例,我们演示了所提出的方法如何在对分布式发电功率和电网频率扰动均具有可接受的频率和电压曲线响应的配电系统的分析和工程设计中提供帮助。

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