NDLI: A comprehensive on-line voltage stability assessment method based on continuation power flow

Content Provider	IEEE Xplore Digital Library
Author	Zhao, J. Wang, Y. Xu, P.
Copyright Year	2009
Description	Author affiliation: Department of Electrical Engineering, Hohai University, Nanjing, 210098, China (Zhao, J.; Wang, Y.) \|\| Jingzhi Science-Technology Company, Nanjing, Jiangsu, China, 214200 (Xu, P.)
Abstract	Static voltage stability assessment (VSA) of power system based on load margin computation has been a basic module in modern EMS. However, the static load voltage characteristics, automatic adjustment of ULTC and switchable shunt are not considered in most VSA tools. Furthermore, the thermal limit induced branch outage is not considered. Therefore, the maximal power limits obtained in VSA are not of practical significance, which do not meet the requirement of security alarming and preventive control. A novel on-line static VSA method based on continuation power flow technique is proposed in this paper. The effects of load voltage characteristics, automatic devices and relays of transmission lines have been considered. The proposed method has been used on a practical system in China. The numerical results show that the proposed method is more suitable for on-line voltage stability assessment.
Starting Page	1
Ending Page	5
File Size	276293
Page Count	5
File Format	PDF
ISBN	9781424449347
DOI	10.1109/SUPERGEN.2009.5347881
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	ULTC Switchable shunt Computational modeling Medical services Power system stability Power system modeling Load flow Load Voltage Characteristics Power transmission lines Power system simulation Power system analysis computing Voltage Continuation Power Flow Voltage Stability Assessment Monitoring
Content Type	Text
Resource Type	Article

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