JP6629115B2 - 無効電力補償装置の出力電流制御方法 - Google Patents
無効電力補償装置の出力電流制御方法 Download PDFInfo
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- JP6629115B2 JP6629115B2 JP2016061160A JP2016061160A JP6629115B2 JP 6629115 B2 JP6629115 B2 JP 6629115B2 JP 2016061160 A JP2016061160 A JP 2016061160A JP 2016061160 A JP2016061160 A JP 2016061160A JP 6629115 B2 JP6629115 B2 JP 6629115B2
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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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Description
2 インバータ
3(3a,3b,3c,3d) 制御部
4 逆γδ変換器
5,6 PI調節器
7 逆αβ変換器
8 αβ変換器
9 プラント
10 PWM制御器
11 インバータ
12 昇圧トランス
13 電流検出器
14 電圧検出器
15 PLL回路
16,17 ロバスト制御器
18,19,23,24 LPF
20,21 外乱オブザーバー
22 FF制御器
A 無効電力補償装置
Claims (1)
- インバータを主回路とした無効電力補償装置の出力電流瞬時値制御系であって、高圧配電系統の三相電圧からPLLを用いて電圧位相を検出し、それを基にγ相電流指令値およびδ相電流指令値からα相電流指令値とβ相電流指令値を出力する逆γδ変換器と、前記インバータの三相出力電流フィードバック信号をαβ変換するαβ変換器と、前記α相電流指令値またはβ相電流指令値と前記αβ変換後の信号との偏差を入力とするPI調節器と、当該PI調節器の出力と前記αβ変換後の信号とを入力とする、ローパスフィルタおよび外乱オブザーバーを備えるロバスト制御器と、該ロバスト制御器の出力を逆αβ変換して出力する逆αβ変換器と、該逆αβ変換器の出力と前記三相電圧を入力とするフィードフォワード制御器の出力をPWM制御器への入力とすることを特徴とする無効電力補償装置の出力電流制御方法。
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JP2017175821A JP2017175821A (ja) | 2017-09-28 |
JP6629115B2 true JP6629115B2 (ja) | 2020-01-15 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6783826B2 (ja) * | 2018-07-11 | 2020-11-11 | 愛知電機株式会社 | 自励式無効電力補償装置 |
JP7069257B2 (ja) * | 2020-07-20 | 2022-05-17 | エナジーサポート株式会社 | 無効電力補償装置が備える制御回路 |
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