NDLI: Capacity optimisation method of distribution static synchronous compensator considering the risk of voltage sag in high-voltage distribution networks

Content Provider	IET Digital Library
Author	Li, Shuaihu Li, Yong Cao, Yijia Tan, Yi Keune, Björn
Abstract	Unlike the traditional methods that only take static voltage stability or minimum network loss into consideration when optimising capacity of distribution static synchronous compensator (D-STATCOM), a new approach is proposed with considering the risk of voltage sag as well as the network loss and the investment cost of D-STATCOM. This approach can balance the investment cost and technical performance. Monte Carlo method is used for the random setting of fault types and locations to obtain the original probability of voltage sag under some given configuration schemes. Moreover, through revealing the hidden relationship between the original probability and the real-time load, the converted probability is presented to fit the expression for calculating the original probability of voltage sag with respect to the size of additional D-STATCOM. Finally, a single-objective capacity optimisation model is established to obtain the optimum size of additional D-STATCOM, which is based on the economic assessment method of risk. The proposed method is validated in Chinese Dongguang Distribution Networks. The result confirms this method can not only reduce the loss of voltage sag, but also significantly improve the efficiency of D-STATCOM.
Starting Page	2602
Ending Page	2610
Page Count	9
ISSN	17518687
Volume Number	9
e-ISSN	17518695
Issue Number	Issue 16, Dec (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/9/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2014.1047
Journal	IET Generation, Transmission & Distribution
Publisher Date	2015-12-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Capacity Optimisation Method Chinese Dongguang Distribution Network D-STATCOM Distribution Network Distribution Static Synchronous Compensator Harmonics High-voltage Distribution Network Investment Cost Monte Carlo Method Network Loss Other Power Apparatus And Electric Machine Power Supply Quality Real-time Load Risk Assessment Method Risk Management Static VAr Compensators Static Voltage Stability Voltage Sag Probability
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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