Line impedance estimation using active and reactive power variations

被引：51
|
作者：
Timbus, Adrian V. [1 ]
Rodriguez, Pedro
Teodorescu, Remus [1 ]
Ciobotaru, Mihai [1 ]
机构：
[1] Aalborg Univ, Inst Energy Technol, DK-9220 Aalborg, Denmark
来源：
2007 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6 | 2007年
关键词：
line impedance; power variations; distributed generation; grid converter control;
D O I：
10.1109/PESC.2007.4342176
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper proposes an estimation method of power system impedance based on power variations caused by a distributed power generation system (DPGS) at the point of common coupling (PCC). The proposed algorithm is computationally simple and uses the voltage variations at the point of common coupling (PCC) caused by the variations of the power delivered to utility network to derive the value of grid impedance. Accurate estimation of both resistive and inductive part of the impedance is obtained, as the results presented show.
引用
收藏
页码：1273 / 1279
页数：7
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