NDLI: Analysis and control of stochastic power fluctuations on the tie-line of interconnected power systems

Content Provider	IEEE Xplore Digital Library
Author	Weiling Zhang Wei Hu Yong Min Weihua Luo Weichun Ge Zhiming Wang
Copyright Year	2013
Description	Author affiliation: Liaoning Electr. Power Co. Ltd., Shenyang, China (Weihua Luo; Weichun Ge; Zhiming Wang) \|\| Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Weiling Zhang; Wei Hu; Yong Min)
Abstract	On the tie-line of interconnected power systems, there inevitably exist power fluctuations. Overlarge undulations on tie-lines threaten the stability and security of the system. It is remarkable that when the control areas are larger, the situation becomes more austere. In this paper, based on the practical data of two large interconnected power systems, the stochastic power fluctuations of the tie-line, the only 1000kV AC transmission line in China, are analyzed by frequency-domain methods. It is found that the component with a specific period is prominent in the fluctuations. The cause of this special phenomenon is then explained by analysis of ACE (Area Control Error) real-time adjustments, an important function of AGC (Automatic Generation Control) system. Finally, on the basis of the results above, the paper proposes methods to improve the control effect of tie-lines.
Sponsorship	IEEE Hong Kong Sect., IE/PE/IA/PEL Joint Chapt.
Starting Page	1
Ending Page	5
File Size	333143
Page Count	5
File Format	PDF
ISBN	9781479925223
DOI	10.1109/APPEEC.2013.6837142
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluctuations Frequency-domain analysis Automatic Generation Control (AGC) Tie-line Automatic generation control Interconnected power system Power system stability Real-time systems Stochastic power fluctuations Delay
Content Type	Text
Resource Type	Article

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