Latency viewed as a stochastic process and its impact on wide area power system control signals

被引：184

作者：

Stahlhut, Jonathan William ^{[1
]}

Browne, Timothy James ^{[1
]}

Heydt, Gerald Thomas ^{[1
]}

Vittal, Vijay ^{[1
]}

机构：

[1] Arizona State Univ, Dept Elect Engn, Tempe, AZ 85287 USA

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2008年 / 23卷 / 01期

基金：

美国国家科学基金会;

关键词：

damping; latency; network delay; power system control; power system stabilizer; queuing; wide area control systems; wide area measurement systems;

D O I：

10.1109/TPWRS.2007.913210

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：

A method of calculating the communication delay (latency) for measurements and control signals in a power system is shown. The basis of the calculation is a dedicated communication channel for control signals. The time delay calculation is examined using a dynamic equivalent of the Western Electricity Coordinating Council transmission system. The impact on control system response is discussed. The application given is a wide area control system for interarea mode damping. Results demonstrate that control signal latency can degrade the performance of controls in a wide area control system.

引用

页码：84 / 91

页数：8

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