書誌事項
- タイトル別名
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- A Fast Estimation of Load Power Margins for Branch Outage Contingencies
- センロ コショウ ニ タイスル コウソク ナ フカ ヨユウ スイテイ
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This paper proposes a fast computation method to assess the voltage stability of a power system for branch outage contingencies. The load power margins with respect to saddle node bifurcations under faulted conditions are efficiently estimated. Nonlinearities of the power flow equations are partially taken into account to considerably improve the accuracy of stability assessment. Numerical examinations in IEEE 14, 30 and 57 bus systems show that, even in such small systems where the effects of single line outage is much larger than those of large systems, maximum error was 10%. The computation time of the method amounts to α+Kβ, where α is the computation time for the saddle node bifrucations and for LU factorization of the power flow Jacobian, β is almost equivalent to that of the forward and backward substitutions for the factorized Jacobian, and K is the number of branch outage contingencies.
収録刊行物
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- 電気学会論文誌B(電力・エネルギー部門誌)
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電気学会論文誌B(電力・エネルギー部門誌) 120 (11), 1481-1487, 2000
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204605497088
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- NII論文ID
- 130006841963
- 10005721241
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- NII書誌ID
- AN10136334
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- ISSN
- 13488147
- 03854213
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- NDL書誌ID
- 5537655
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