NDLI: Intelligent weight function based control strategy of DC link capacitor voltage in UPFC

Content Provider	IEEE Xplore Digital Library
Author	Yusheng Cao Yunping Chen Guangda Chen
Copyright Year	2002
Description	Author affiliation: Sch. of Electr. Eng., Wuhan Univ., China (Yusheng Cao; Yunping Chen; Guangda Chen)
Abstract	The voltage of DC link capacitor of a UPFC system impacts on the performance of the entire UPFC controller. To keep it constant, a feedback control loop is necessarily used to control DC bus voltage. The intelligent weight function control strategy presented in this paper can dramatically improve the dynamic performance of DC control loop, with the calculation amount close to that of PID control. The performance of intelligent weight function control strategy was studied by comprehensive software simulations with the Power System Blockset of Matlab software. By comparing it with conventional PID control strategy, the effectiveness of this kind of control strategy can be seen clearly. The results of simulations illustrated that the overshoot and transient response time are just one tenth of PID control algorithm at the same conditions, close to fuzzy control strategy. This paper also presents a kind of control structure of UPFC.
Sponsorship	IEEE Power Eng. Soc. (IEEE PES) Chinese Soc. Electr. Eng. (CSEE) China Electric Power Res. Inst. IEEE/PES Beijing Chapter
Starting Page	1477
Ending Page	1481
File Size	319149
Page Count	5
File Format	PDF
ISBN	0780374592
DOI	10.1109/ICPST.2002.1067776
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Weight control Voltage control Capacitors Three-term control Power system simulation Intelligent control Power system dynamics Software performance Control systems Feedback control
Content Type	Text
Resource Type	Article

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