LOAD MODELING IN STUDIES OF POWER-SYSTEM DAMPING

被引：74
|
作者：
HISKENS, IA
MILANOVIC, JV
机构：
[1] Department of Electrical and Computer Engineering, The University of Newcastle, Newcastle, NSW
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 1995年 / 10卷 / 04期
关键词：
LOAD DYNAMICS; ELECTROMECHANICAL OSCILLATIONS; SYSTEM DAMPING;
D O I：
10.1109/59.476041
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper considers the significance of load voltage dynamics in studies of power system damping. A generic model of dynamic loads is used to investigate the influence of active and reactive power dynamics on the damping of oscillations in a multimachine power system. The interaction between the load and the power system is explored in terms of load and system transfer functions. It is shown that the power system transfer function is composed of a static part and a dynamic part. The static part is derived from the power flow Jacobian. The investigations indicate that load voltage dynamics can significantly influence the damping of modal oscillations. Static load models can give quite misleading predictions of damping when loads actually exhibit dynamic behaviour.
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页码：1781 / 1788
页数：8
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