Journal
ELECTRIC POWER COMPONENTS AND SYSTEMS
Volume 44, Issue 17, Pages 1892-1903Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15325008.2016.1204571
Keywords
power system stability; power system control; periodic output feedback control; discrete controller; wide-area damping controller; inter-area oscillations; power system dynamics
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Funding
- Department of Science and Technology, Government of India [DST/RCUK/SEGES/2012/02]
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In this article, the concept of periodic output feedback is used to design a discrete mode wide-area damping controller using different sets of input and output sampling time intervals. The optimal periodic output feedback controller gain matrix along with the optimal sampling time intervals are obtained using the particle swarm optimization technique. The periodic output feedback based controller is designed for two typical test power systemsa two-area four-machine and the IEEE 39-bus 10-machine systemswith various sets of input and output sampling time intervals. The effectiveness of the periodic output feedback based wide area damping controller has been validated through non-linear simulation studies and eigenvalue analysis in the presence of signal latency. Finally, the recommended optimum input and output sampling period is also provided at the end of the article.
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