NDLI: Reasons and countermeasures for computation failures of continuation power flow

Content Provider	IEEE Xplore Digital Library
Author	Jinquan Zhao Boming Zhang
Copyright Year	2006
Abstract	The classification, reasons and countermeasures of the computational failures of continuation power flow are proposed in this paper. The computational failures can be divided into the turning point failures and the non-turning point failures. The reason of the turning point failure is that the global parameterization such as arc-length or pseudo arc-length parameterization cannot overcome the singularity of Jacobian matrix for some voltage instability cases with strong local characteristic. The reason of the non-turning point failure is that some nonsingular points of original system are translated to the singular points of the extended Jacobian matrix by the parameterization process. Two countermeasures are proposed to handle the failures. The local parameterization is used instead of the global parameterization to avoid the turning point failure and a forced parameter switching strategy is used to overcome the non-turning point failures. Case studies with a practical 3000-bus power system indicate that the proposed countermeasures are very efficient
File Size	178337
File Format	PDF
ISBN	1424404932
DOI	10.1109/PES.2006.1709298
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-18
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Load flow Power system stability Turning Jacobian matrices Voltage Equations Power system analysis computing Optimal control Engines Energy management singular point Voltage Stability Continuation Power Flow Computational Failure Forced Parameter Switching Strategy
Content Type	Text
Resource Type	Article

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