書誌事項
- タイトル別名
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- Discussion on Triangular-Carrier Frequencies of a Modular Multilevel Cascade Converter Based on Double-Star Chopper Cells (MMCC-DSCC) with Phase-Shifted PWM
- イソウ シフト PWM オ テキヨウ シタ モジュラー ・ マルチレベル ・ カスケード ヘンカンキ(MMCC-DSCC)ノ サンカクナミ キャリア シュウハスウ ノ ケントウ
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This paper presents a theoretical discussion on triangular-carrier frequencies of a modular multilevel cascade converter based on double-star chopper cells (MMCC-DSCC, hereafter referred to as the DSCC) with phase-shifted PWM. The DSCC consists of multiple cascaded chopper cells and a center-tapped inductor per leg. Low voltage steps bring significant reductions in harmonic voltage and current to BTB (back-to-back) or HVDC (high-voltage direct-current) systems using two DSCCs. When the DSCC adopts the 6-kV GCTs (gate-commutated thyristors) that are commercially available in the market, the switching frequency should be less than 200Hz to improve conversion efficiency. Theoretical analysis developed in this paper reveals that the most suitable triangular-carrier frequency is 125Hz or 175Hz. Simulated waveforms obtained from a three-phase 66-kV, 200-MW DSCC are included to verify this analysis. The analytical and simulated results agree well with each other.
収録刊行物
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- 電気学会論文誌D(産業応用部門誌)
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電気学会論文誌D(産業応用部門誌) 134 (10), 890-903, 2014
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
- 1390282679635727616
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- NII論文ID
- 130004694109
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- NII書誌ID
- AN10012320
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- ISSN
- 13488163
- 09136339
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- NDL書誌ID
- 025856388
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可