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
收藏
页码：84 / 91
页数：8
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