Analysis of the Effect of Communication Latencies on HVDC-Based Damping Control

被引:0
|
作者
Wilches-Bernal, Felipe [1 ]
Schoenwald, David A. [1 ]
Fan, Rui [2 ]
Elizondo, Marcelo [2 ]
Kirkham, Harold [2 ]
机构
[1] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA
[2] Pacific Northwest Natl Lab, Richland, WA 99354 USA
关键词
Delay; latency; stability; wide-area control;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A wide-area controller to damp inter-area oscillations in the North American Western Interconnection (WI) by modulating power transfers in a HVDC link is used in this paper to investigate the effects that latencies in its feedback signals have on its performance. This controller uses two feedback measurements to perform its control action. The analysis show that the stabilizing effect of the controller in transient stability and small signal stability is compromised as the feedback measurements experience higher delays. The results show that one of the feedback signals can tolerate more delay than the other. The analysis was performed with Bode plots and time domain simulations on a reduced order model of the WI from which a linear version was obtained.
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页数:5
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