NDLI: Start-up sequence of generators in power system restoration avoiding the backtracking algorithm

Content Provider	IEEE Xplore Digital Library
Author	Chongru Liu Minhao Wu Yingsong Deng
Copyright Year	2013
Description	Author affiliation: State Key Lab. for Alternate Electr. Power Syst. with Renewable Energy Sources, North China Electr. Power Univ., Beijing, China (Chongru Liu; Minhao Wu; Yingsong Deng)
Abstract	Generator start-up sequence is critical to power system restoration. A new algorithm to optimize the start-up sequence of generators based on Dijkstra method is proposed in this paper. First, a combined weight is proposed for the Dijkstra method to balance various optimization objects. Based on the modified weights, a priority index considering the branch weight, generator start-up requirement and ramping rate is proposed to optimize the generator start-up sequence. Second, we analyze the backtracking algorithm in detail and found its limitation and disadvantages, which leads a large amount of calculation and start-up failure. A new algorithm to calculate the start-up sequence is proposed. It can avoid the repetition calculation of Dijkstra and reduce the computation cost by avoiding backtracking. Finally, the IEEE 30-Bus system and Guangdong power grid system are used to validate the proposed algorithm. Simulation results show that the proposed method is efficiency and it can decrease the restoration time significantly.
Sponsorship	IEEE Power Energy Soc.
Starting Page	1
Ending Page	5
File Size	1372720
Page Count	5
File Format	PDF
ISBN	9781479913039
ISSN	19449925
DOI	10.1109/PESMG.2013.6672678
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computational modeling Conferences avoid backtracking power system restoration generator start-up sequencing dijkstra algorithm priority index
Content Type	Text
Resource Type	Article

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