Forced Oscillation Source Location of Doubly-fed Wind Turbine Based on Transient Energy Flow

被引：0
|
作者：
Cao N. [1 ]
Zhao X. [1 ]
Yu Q. [1 ]
机构：
[1] College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao
来源：
Zhao, Xu (2465740593@qq.com) | 1600年 / Automation of Electric Power Systems Press卷 / 44期
关键词：
Doubly-fed wind turbine; Energy flow power; Forced oscillation source; Transient energy flow;
D O I：
10.7500/AEPS20190527005
中图分类号：
学科分类号：
摘要：
Transient energy flow method is a new method for locating oscillation sources. Firstly, according to the calculation formula of transient energy flow, combined with the shafting model, the grid-side converter model of doubly-fed wind turbine and the third-order simplified model of doubly-fed induction motor, the transient energy flow for doubly-fed wind turbine is deduced and the energy flow power is defined as an index of the energy flow direction. Secondly, the frequency characteristics of the doubly-fed wind turbine are analyzed after the forced sources are added. Finally, based on the PSCAD/EMTDC electromagnetic transient simulation platform, a single-machine infinite system with forced oscillation sources and a grid connection system of several wind turbines via series compensated line are built for time-domain simulation. Transient energy flow and energy flow power are calculated using the collected data. The validity of the transient energy flow method for locating the forced oscillation sources of doubly-fed wind turbines is verified. © 2020 Automation of Electric Power Systems Press.
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页码：103 / 110
页数：7
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