Transmission losses based MW contingency ranking

Aydogan Ozdemir; Ramazan Caglar; Chanan Singh

doi:10.1007/s00202-004-0279-6

Transmission losses based MW contingency ranking

Aydogan Ozdemir^*, Ramazan Caglar, Chanan Singh

^*Corresponding author for this work

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Contingency ranking and selection is an indispensable tool for static security analysis. Several performance indices suffer either from misranking or computational inefficiencies. This paper presents a new performance index for MW line flow contingency selection and ranking. The proposed index is derived from real power transmission losses. It is a quadratic function of bus voltage angles and can easily be calculated from real power flows or DC load flow. It improves both the selectivity and the ranking of second order performance index without excessive computational effort. The proposed method is tested on IEEE 24-bus reliability test system and IEEE 30-bus test system. The results are compared with those of the conventional second order performance index and of the tenth order reference performance index from the point of ranking and selectivity.

Original language	English
Pages (from-to)	275-280
Number of pages	6
Journal	Electrical Engineering
Volume	88
Issue number	4
DOIs	https://doi.org/10.1007/s00202-004-0279-6
Publication status	Published - Apr 2006

Keywords

Contingency ranking
Performance index
Security analysis
Transmission losses

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abstract = "Contingency ranking and selection is an indispensable tool for static security analysis. Several performance indices suffer either from misranking or computational inefficiencies. This paper presents a new performance index for MW line flow contingency selection and ranking. The proposed index is derived from real power transmission losses. It is a quadratic function of bus voltage angles and can easily be calculated from real power flows or DC load flow. It improves both the selectivity and the ranking of second order performance index without excessive computational effort. The proposed method is tested on IEEE 24-bus reliability test system and IEEE 30-bus test system. The results are compared with those of the conventional second order performance index and of the tenth order reference performance index from the point of ranking and selectivity.",

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AU - Caglar, Ramazan

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AB - Contingency ranking and selection is an indispensable tool for static security analysis. Several performance indices suffer either from misranking or computational inefficiencies. This paper presents a new performance index for MW line flow contingency selection and ranking. The proposed index is derived from real power transmission losses. It is a quadratic function of bus voltage angles and can easily be calculated from real power flows or DC load flow. It improves both the selectivity and the ranking of second order performance index without excessive computational effort. The proposed method is tested on IEEE 24-bus reliability test system and IEEE 30-bus test system. The results are compared with those of the conventional second order performance index and of the tenth order reference performance index from the point of ranking and selectivity.

KW - Contingency ranking

KW - Performance index

KW - Security analysis

KW - Transmission losses

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Transmission losses based MW contingency ranking

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Keywords

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