JP2020010546A - 自励式無効電力補償装置 - Google Patents
自励式無効電力補償装置 Download PDFInfo
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- JP2020010546A JP2020010546A JP2018131252A JP2018131252A JP2020010546A JP 2020010546 A JP2020010546 A JP 2020010546A JP 2018131252 A JP2018131252 A JP 2018131252A JP 2018131252 A JP2018131252 A JP 2018131252A JP 2020010546 A JP2020010546 A JP 2020010546A
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- 238000005259 measurement Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 8
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
Description
2 系統電圧制御部(補償器)
3 逆γδ変換・逆αβ変換部
4 電流出力部
5 次数間高調波電流検出部
6 次数間高調波電圧検出部
7 配電線インピーダンス演算部
8 補償器定数決定部
9 次数間高調波電流指令値生成部
10 系統電圧検出部
11 PLL
12 次数間高調波信号生成部
式(1)
式(2)
式(3)
配電線のインピーダンスZl
Zl = R + jX, R:配電線インピーダンスの抵抗分,X:配電線インピーダンスのリアクタンス分
Claims (2)
- 配電線インピーダンスの自動計測結果に基づき、系統電圧制御系の補償器の定数が最適となるよう自動で設定することを特徴とする自励式無効電力補償装置。
- 前記配電線インピーダンスは、当該自励式無効電力補償装置から、次数間高調波の微小電流を配電系統に注入して、系統電圧の同次数の高調波を計測することで自動推定することを特徴とする請求項1記載の自励式無効電力補償装置。
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JP2018131252A JP6783826B2 (ja) | 2018-07-11 | 2018-07-11 | 自励式無効電力補償装置 |
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JP2020010546A true JP2020010546A (ja) | 2020-01-16 |
JP6783826B2 JP6783826B2 (ja) | 2020-11-11 |
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JP2018107877A (ja) * | 2016-12-26 | 2018-07-05 | 愛知電機株式会社 | 無効電力補償装置とそれによる電力系統の電圧制御方法 |
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2018
- 2018-07-11 JP JP2018131252A patent/JP6783826B2/ja active Active
Patent Citations (18)
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JPS6352639A (ja) * | 1986-08-20 | 1988-03-05 | 株式会社東芝 | 無効電力補償装置 |
JPH02131329A (ja) * | 1988-01-05 | 1990-05-21 | Hitachi Ltd | 電力系統用無効電力補償装置 |
JPH03210614A (ja) * | 1990-01-16 | 1991-09-13 | Toshiba Corp | 無効電力補償装置の制御装置 |
JPH05111162A (ja) * | 1991-10-09 | 1993-04-30 | Toshiba Corp | 無効電力補償装置の制御装置 |
JPH06161576A (ja) * | 1992-11-25 | 1994-06-07 | Toshiba Corp | 無効電力補償装置の制御装置 |
JPH08265975A (ja) * | 1995-03-24 | 1996-10-11 | Tokyo Electric Power Co Inc:The | 自励式電力変換器を用いた静止形無効電力補償装置 |
JPH1115543A (ja) * | 1997-06-23 | 1999-01-22 | Nissin Electric Co Ltd | 無効電力補償装置の制御回路 |
JP2001128366A (ja) * | 1999-10-26 | 2001-05-11 | Hitachi Ltd | 電力変換システム |
JP2002171667A (ja) * | 2000-11-30 | 2002-06-14 | Nissin Electric Co Ltd | 系統安定化装置 |
US20030098671A1 (en) * | 2001-11-26 | 2003-05-29 | Visteon Global Technologies, Inc. | Anti-islanding detection scheme for distributed power generation |
JP2009207225A (ja) * | 2008-02-26 | 2009-09-10 | Tokyo Electric Power Co Inc:The | 分散型電源 |
JP2012200111A (ja) * | 2011-03-23 | 2012-10-18 | Kansai Electric Power Co Inc:The | 電圧上昇抑制装置および分散電源連系システム |
JP2013031362A (ja) * | 2011-06-23 | 2013-02-07 | Central Research Institute Of Electric Power Industry | 配電系統における需要家電圧安定化システム |
CN102914697A (zh) * | 2012-10-30 | 2013-02-06 | 西安交通大学 | 基于三相对称方波电流注入的微型电网谐波阻抗测量方法 |
CN103630748A (zh) * | 2013-11-11 | 2014-03-12 | 西安交通大学 | 一种用于微型电网谐波阻抗测量的装置及方法 |
JP2017175821A (ja) * | 2016-03-25 | 2017-09-28 | 愛知電機株式会社 | 無効電力補償装置の出力電流制御方法 |
WO2018070007A1 (ja) * | 2016-10-13 | 2018-04-19 | 株式会社日立製作所 | 電力系統のインピーダンス測定装置及び方法、並びに電力系統の力率改善装置及び方法 |
JP2018107877A (ja) * | 2016-12-26 | 2018-07-05 | 愛知電機株式会社 | 無効電力補償装置とそれによる電力系統の電圧制御方法 |
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