Input-admittance calculation and shaping for controlled voltage-source converters

被引：859
|
作者：
Harnefors, Lennart [1 ]
Bongiorno, Massimo
Lundberg, Stefan
机构：
[1] ABB Power Syst, S-77180 Ludvika, Sweden
[2] Chalmers, S-41296 Gothenburg, Sweden
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2007年 / 54卷 / 06期
关键词：
converter control; dissipativeness; grid interaction; oscillations; passivity; stability;
D O I：
10.1109/TIE.2007.904022
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A controlled power electronic converter can cause local instabilities when interacting with other dynamic subsystems in a power system. Oscillations at a certain frequency cannot, however, build up if the converter differential input admittance has a positive conductance (real part) at that frequency, since power is then dissipated. In this paper, input-admittance expressions for a voltage-source converter are derived. It is seen how the admittance can be shaped in order to get a positive real part in the desired frequency regions by adjusting the controller parameters.
引用
收藏
页码：3323 / 3334
页数：12
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