JP6666109B2 - サイリスタ式自動電圧調整器及びその自動電圧調整方法 - Google Patents
サイリスタ式自動電圧調整器及びその自動電圧調整方法 Download PDFInfo
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- JP6666109B2 JP6666109B2 JP2015209451A JP2015209451A JP6666109B2 JP 6666109 B2 JP6666109 B2 JP 6666109B2 JP 2015209451 A JP2015209451 A JP 2015209451A JP 2015209451 A JP2015209451 A JP 2015209451A JP 6666109 B2 JP6666109 B2 JP 6666109B2
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- 238000000034 method Methods 0.000 title claims description 4
- 230000000694 effects Effects 0.000 claims description 19
- 230000016507 interphase Effects 0.000 claims description 5
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- 238000010586 diagram Methods 0.000 description 4
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- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Description
1a 直列変圧器の一次巻線
1b 直列変圧器の二次巻線
2 電圧調整変圧器
2a 電圧調整変圧器の一次巻線
2b 電圧調整変圧器の二次巻線
3 タップ切換回路
4 二次電圧取得用VT
A 自動電圧調整器
Claims (3)
- 変圧器、サイリスタ式タップ切換器、制御装置の各部で構成され、三相交流配電線路の相間に挿入してV結線される2つの電圧調整変圧器の低圧回路側と、前記三相交流配電線路に対し各々直列に挿入してY結線される直列変圧器の低圧回路側を、前記サイリスタ式タップ切換器で結合し、サイリスタを切り換えて前記電圧調整変圧器のタップを切り換えるサイリスタ式自動電圧調整器において、前記制御装置は、前記サイリスタを制御する電気信号を各相個別に制御することによって、配電線の電圧を予め設定してある基準電圧に調整しつつ、三相不平衡電圧の各相間電圧の中央値が前記電圧調整変圧器を挿入していない相間の電圧となるようにサイリスタ式タップ切換器をタップ選択するように制御することにより、三相電圧の不平衡率を低くするように制御することを特徴とするサイリスタ式自動電圧調整装置。
- 前記制御装置は、配電線電圧の前記基準電圧への調整効果が最大となるように、前記基準電圧への調整動作と、三相電圧の不平衡率低減動作を実行するよう制御することを特徴とする請求項1記載のサイリスタ式自動電圧調整装置。
- 変圧器、サイリスタ式タップ切換器、制御装置の各部で構成され、三相交流配電線路の相間に挿入してV結線される2つの電圧調整変圧器の低圧回路側と、前記三相交流配電線路に対し各々直列に挿入してY結線される直列変圧器の低圧回路側を、前記サイリスタ式タップ切換器で結合し、サイリスタを切り換えて前記電圧調整変圧器のタップを切り換えるサイリスタ式自動電圧調整器において、配電線路の電圧を監視してタップ切換えを行うサイリスタ式タップ切換器を各相個別に制御し、タップ切換に応じた電圧を配電線電圧に重畳して配電線路の電圧を基準電圧に調整するとともに、前記配電線路の三相不平衡電圧を是正するために、三相不平衡電圧の各相間電圧の中央値が電圧調整変圧器を挿入していない相間の電圧となるようにタップ切換し、かつ、配電線電圧の前記基準電圧の調整効果が最大となるように、前記基準電圧への調整動作と、三相電圧の不平衡率低減動作を実行することを特徴とするサイリスタ式自動電圧調整方法。
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JP6666109B2 true JP6666109B2 (ja) | 2020-03-13 |
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CN109167375B (zh) * | 2018-10-23 | 2022-06-14 | 兰州理工大学 | 电动汽车充电站三相电压自动平衡充电系统及充电方法 |
JP7260356B2 (ja) * | 2019-03-28 | 2023-04-18 | 愛知電機株式会社 | 自動電圧調整装置 |
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JP2004088929A (ja) * | 2002-08-27 | 2004-03-18 | Toshiba Corp | 電圧不平衡低減装置 |
JP5518909B2 (ja) * | 2012-01-13 | 2014-06-11 | 中国電力株式会社 | 自動電圧調整装置及び自動電圧調整システム |
JP6285167B2 (ja) * | 2013-12-12 | 2018-02-28 | 愛知電機株式会社 | サイリスタ式高圧自動電圧調整器 |
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