A strategy for undervoltage load shedding in power systems

被引：0
|
作者：
Balanathan, R [1 ]
Pahalawaththa, NC [1 ]
Annakkage, UD [1 ]
机构：
[1] Univ Auckland, Dept Elect & Elect Engn, Auckland 1, New Zealand
来源：
POWERCON '98: 1998 INTERNATIONAL CONFERENCE ON POWER SYSTEM TECHNOLOGY - PROCEEDINGS, VOLS 1 AND 2 | 1998年
关键词：
dynamic load model; voltage instability; voltage collapse; undervoltage load shedding; voltage collapse proximity indicator; sensitivity;
D O I：
暂无
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 presents a strategy for undervoltage load shedding in power systems. An undervoltage load shedding (UVLS) criterion is defined using a generic dynamic load model to determine the amount of load to shed at a,given voltage. The 'when and where' for load shedding is determined by identifying the weakest node in the network using a voltage collapse proximity indicator (VCPI). The magnitude of the VCPI is determined by estimating the ratio of the impedance of the load to the thevenin impedance looking into the network at a given voltage. If required, further load shedding can be carried out by observing the VCPI. The strategy is simple, reliable and can be applied to any power system.
引用
收藏
页码：1494 / 1498
页数：5
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