JP2012120334A - 不平衡補償装置 - Google Patents
不平衡補償装置 Download PDFInfo
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- JP2012120334A JP2012120334A JP2010268266A JP2010268266A JP2012120334A JP 2012120334 A JP2012120334 A JP 2012120334A JP 2010268266 A JP2010268266 A JP 2010268266A JP 2010268266 A JP2010268266 A JP 2010268266A JP 2012120334 A JP2012120334 A JP 2012120334A
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Abstract
【解決手段】不平衡補償装置100は、スコット結線変圧器3と、スコット結線変圧器3の2つの単相側に接続され、かつ互いに直流側を接続された2つの単相インバータ31,32と、制御回路6とを備える。制御回路6は、単相インバータ31,32の電流を制御することで、負荷電流の補償電流を調整する。
【選択図】図1
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Claims (3)
- 三相交流電源から負荷に電力を供給する三相電力供給システムに接続され、前記負荷による不平衡電流を補償する不平衡補償装置であって、
三相交流電源からの三相交流を2つの単相交流に変換するスコット結線変圧器と、
前記スコット結線変圧器の第1および第2の出力にそれぞれ接続され、その直流側を互いに接続した第1および第2の単相インバータと、
前記第1および第2の単相インバータの電流を制御することにより、負荷電流の逆相電流を補償するための補償電流を調整する制御回路とを備える、不平衡補償装置。 - 前記制御回路は、前記負荷電流の前記逆相電流をM相成分およびT相成分に分解することにより、前記補償電流を演算する、請求項1に記載の不平衡補償装置。
- 前記第1および第2の単相インバータは、自励式インバータである、請求項2に記載の不平衡補償装置。
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JP2010268266A JP5611009B2 (ja) | 2010-12-01 | 2010-12-01 | 不平衡補償装置 |
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JP2010268266A JP5611009B2 (ja) | 2010-12-01 | 2010-12-01 | 不平衡補償装置 |
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JP2012120334A true JP2012120334A (ja) | 2012-06-21 |
JP5611009B2 JP5611009B2 (ja) | 2014-10-22 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102738810A (zh) * | 2012-07-02 | 2012-10-17 | 株洲变流技术国家工程研究中心有限公司 | 牵引供电系统及方法 |
JP2015082881A (ja) * | 2013-10-22 | 2015-04-27 | 東芝三菱電機産業システム株式会社 | 不平衡補償装置 |
CN111224567A (zh) * | 2020-03-06 | 2020-06-02 | 南京理工大学 | 三相电压不平衡治理电路拓扑结构 |
WO2024001203A1 (zh) * | 2022-06-27 | 2024-01-04 | 云南电网有限责任公司电力科学研究院 | 一种逆变器分相控制和配变电流不平衡调节的系统及方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004159416A (ja) * | 2002-11-06 | 2004-06-03 | Fuji Electric Systems Co Ltd | 3相−2相変換装置用不平衡補償装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2004159416A (ja) * | 2002-11-06 | 2004-06-03 | Fuji Electric Systems Co Ltd | 3相−2相変換装置用不平衡補償装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102738810A (zh) * | 2012-07-02 | 2012-10-17 | 株洲变流技术国家工程研究中心有限公司 | 牵引供电系统及方法 |
JP2015082881A (ja) * | 2013-10-22 | 2015-04-27 | 東芝三菱電機産業システム株式会社 | 不平衡補償装置 |
CN111224567A (zh) * | 2020-03-06 | 2020-06-02 | 南京理工大学 | 三相电压不平衡治理电路拓扑结构 |
WO2024001203A1 (zh) * | 2022-06-27 | 2024-01-04 | 云南电网有限责任公司电力科学研究院 | 一种逆变器分相控制和配变电流不平衡调节的系统及方法 |
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