書誌事項
- タイトル別名
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- Quench Characteristics in the parallel PCS circuit using two NbTi Mechanical PCS's
- 2クミ ノ NbTi キカイシキ PCS カラ ナル ヘイレツ PCS カイロ ノ クエンチ トクセイ
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A persistent current switch (PCS) used in the large-scale SMES system needs to have high OFF resistance as well as zero ON resistance for efficient load-leveling operations. So far, the authors have successfully developed NbTi mechanical PCS, which realizes zero contact resistance, infinite OFF resistance, and switch current capacity over 200 A. Considering practical use of the PCS, the switch current capacity has to be further increased to obtain much larger rated current of 100 kA order for the GWh class SMES system. This paper describes the switch current capacity and quench characteristics in the parallel PCS circuit which consists of two NbTi mechanical PCS's. Effects of current distribution and quench property of each single PCS are especially investigated in detail. To clarify the posterior quench mechanism at the time when both PCS's are quenched, quench characteristics on the time are also investigated by applied pulsed current. It was found that each PCS in the parallel circuit has to obtain identical quench current and distribute current uniformly so as to achieve the theoretical maximum switch current capacity. Additionally, existence of quench time lag is definitely confirmed. Quench time lag is the key property to make clear the succeeding quench mechanism.
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) 119 (3), 394-400, 1999
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
- 1390282679582807552
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- NII論文ID
- 130006842312
- 10002878152
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- NII書誌ID
- AN10136334
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- ISSN
- 13488147
- 03854213
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- NDL書誌ID
- 4663321
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- データソース種別
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- NDL
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