励磁突入電流の瞬時値解析を目的とした単相変圧器の電流-磁束特性推定手法
書誌事項
- タイトル別名
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- A Method for Estimating the Current-flux Curve of a Single-phase Transformer for Electromagnetic Transient Simulations of Inrush Currents
- 励磁突入電流の瞬時値解析を目的とした三相変圧器の電流-磁束特性推定手法
- レイジトツニュウ デンリュウ ノ シュンジチ カイセキ オ モクテキ ト シタ サン ソウヘンアツキ ノ デンリュウ-ジソク トクセイ スイテイ シュホウ
- レイジトツニュウ デンリュウ ノ シュンジチ カイセキ オ モクテキ ト シタ タンソウ ヘンアツキ ノ デンリュウ-ジソク トクセイ スイテイ シュホウ
- A Method for Estimating the Current-Flux Curve of a Three-Phase Transformer for Electromagnetic Transient Simulations of Inrush Currents
- A Method for Estimating the Current–Flux Curve of a Single‐Phase Transformer for Electromagnetic Transient Simulations of Inrush Currents
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説明
<p>When a transformer is energized, inrush currents whose magnitudes may reach tens of its nominal current occur. Since the inrush currents lead to a voltage drop, this may cause stops and malfunctions of electrical appliances. In addition, the over-currents may cause an unnecessary operation of an over-current relay and affect the power quality of the distribution system. Currently, distribution system operators use current-versus-time curves of transformer inrush currents for the studies of such phenomena. However, the studies based on the current-versus-time curve give approximate results, and studies based on the current-versus-flux curve is required so as to obtain accurate results. Considering this point, this report proposes a method to convert a given current-versus-time curve to a current-versus-flux one for the case of single-phase transformers. Using the current-versus-flux curve obtained, detailed simulations can be performed using an electromagnetic transient analysis program such as XTAP. In this report, the proposed method is validated by experimental results using a single-phase transformer.</p>
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) 138 (2), 183-192, 2018
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
- 1390001204605656064
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- NII論文ID
- 130007793614
- 130006329305
- 210000173386
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- NII書誌ID
- AN10136334
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- ISSN
- 13488147
- 15206416
- 03854213
- 04247760
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- Web Site
- http://id.ndl.go.jp/bib/030244572
- https://ndlsearch.ndl.go.jp/books/R000000004-I030244572
- http://id.ndl.go.jp/bib/028847483
- https://ndlsearch.ndl.go.jp/books/R000000004-I028847483
- https://www.jstage.jst.go.jp/article/ieejpes/138/2/138_183/_pdf
- https://www.jstage.jst.go.jp/article/ieejpes/140/2/140_34/_pdf
- https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Feej.23102
- https://onlinelibrary.wiley.com/doi/pdf/10.1002/eej.23102
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- ja
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