JP4351008B2 - 無停電電源装置 - Google Patents
無停電電源装置 Download PDFInfo
- Publication number
- JP4351008B2 JP4351008B2 JP2003320930A JP2003320930A JP4351008B2 JP 4351008 B2 JP4351008 B2 JP 4351008B2 JP 2003320930 A JP2003320930 A JP 2003320930A JP 2003320930 A JP2003320930 A JP 2003320930A JP 4351008 B2 JP4351008 B2 JP 4351008B2
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- JP
- Japan
- Prior art keywords
- voltage
- power supply
- series
- transformer
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000004804 winding Methods 0.000 claims description 10
- 101100286980 Daucus carota INV2 gene Proteins 0.000 description 11
- 101100397045 Xenopus laevis invs-b gene Proteins 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 101150070189 CIN3 gene Proteins 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
前記入力商用電源の電圧が所定の範囲外にあるときは、前記第1のDC/AC変換器により直列補償トランスに発生する電圧を調整し、
前記入力商用電源の電圧が所定の範囲内にあるときは、前記交流スイッチを点弧させて前記直列補償トランスの1次側を短絡させるようにする。
化し、故障した変換器によるトランス1次側への高圧印加を回避する必要が生じる。この
ときトランス1の1次側へは高圧電圧が発生する一方、トランス1次側に流れる電流は2次電流に対し巻数比だけ逆に小さくなる。このため、短絡用交流スイッチは耐流の小さくてすむ1次側に備える方が好ましいのである。通常、直列INVによる補償電圧はおよそ
+15%〜−15%であり、そのため巻き数比は1次側100に対し2次側15、という
ように1次側が大きくなるので、1次側に流れる電流は2次側に対しこの巻き数比分小さ
い。
2 直列INV
3 高周波除去フィルタ
4 並列INV
5 高周波除去フィルタ
6 蓄電池
7 交流入力電源
8 入力SW
9 負荷
10 短絡用ACSW
11 交流入力端子
12 交流出力端子
Claims (1)
- 入力商用電源と交流出力間の交流母線に接続される直列補償トランス2次巻線と、この直列補償トランスの1次巻線に交流出力が接続された第1のDC/AC変換器と、この第1のDC/AC変換器と直流部を共通とし、交流出力が前記交流母線に接続された第2のDC/AC変換器と、前記直列補償トランスの1次側を短絡するための交流スイッチと、を備えてなる無停電電源装置において、
前記入力商用電源の電圧が所定の範囲外にあるときは、前記第1のDC/AC変換器により直列補償トランスに発生する電圧を調整し、
前記入力商用電源の電圧が所定の範囲内にあるときは、前記交流スイッチを点弧させて前記直列補償トランスの1次側を短絡させることを特徴とする無停電電源装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003320930A JP4351008B2 (ja) | 2003-09-12 | 2003-09-12 | 無停電電源装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003320930A JP4351008B2 (ja) | 2003-09-12 | 2003-09-12 | 無停電電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005094829A JP2005094829A (ja) | 2005-04-07 |
JP4351008B2 true JP4351008B2 (ja) | 2009-10-28 |
Family
ID=34452758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003320930A Expired - Lifetime JP4351008B2 (ja) | 2003-09-12 | 2003-09-12 | 無停電電源装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4351008B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100375363C (zh) * | 2006-04-07 | 2008-03-12 | 北京四方清能电气电子有限公司 | 一种为串联补偿设备提供电流回路的装置 |
JP6091405B2 (ja) * | 2013-12-12 | 2017-03-08 | 三菱電機株式会社 | エレベーターかご給電装置 |
JP2017169362A (ja) * | 2016-03-16 | 2017-09-21 | 富士電機株式会社 | 電圧制御装置 |
JP6809107B2 (ja) * | 2016-10-06 | 2021-01-06 | 富士電機株式会社 | 調整装置および調整方法 |
JP2018157703A (ja) * | 2017-03-17 | 2018-10-04 | 株式会社東芝 | 電圧補償装置 |
CN110391661B (zh) * | 2019-06-18 | 2023-04-21 | 太原理工大学 | 微电网与配电网间串联补偿变压器直流偏磁抑制方法 |
-
2003
- 2003-09-12 JP JP2003320930A patent/JP4351008B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005094829A (ja) | 2005-04-07 |
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