EP1619698A3 - On load tap changing transformer - Google Patents
On load tap changing transformer Download PDFInfo
- Publication number
- EP1619698A3 EP1619698A3 EP05106611A EP05106611A EP1619698A3 EP 1619698 A3 EP1619698 A3 EP 1619698A3 EP 05106611 A EP05106611 A EP 05106611A EP 05106611 A EP05106611 A EP 05106611A EP 1619698 A3 EP1619698 A3 EP 1619698A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- load tap
- tap changing
- changing transformer
- transformer
- taps
- 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.)
- Granted
Links
- 230000001052 transient effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0451585A FR2873489B1 (en) | 2004-07-20 | 2004-07-20 | TRANSFORMER SHIFT SYSTEM IN CHARGE |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1619698A2 EP1619698A2 (en) | 2006-01-25 |
EP1619698A3 true EP1619698A3 (en) | 2006-03-01 |
EP1619698B1 EP1619698B1 (en) | 2008-09-03 |
Family
ID=34948633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05106611A Active EP1619698B1 (en) | 2004-07-20 | 2005-07-19 | On load tap changing transformer |
Country Status (5)
Country | Link |
---|---|
US (1) | US7355369B2 (en) |
EP (1) | EP1619698B1 (en) |
AT (1) | ATE407438T1 (en) |
DE (1) | DE602005009442D1 (en) |
FR (1) | FR2873489B1 (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2435943A (en) * | 2006-03-08 | 2007-09-12 | Areva T & D Sa | Hybrid on-load tap changer |
US8321162B2 (en) * | 2007-10-09 | 2012-11-27 | Schweitzer Engineering Laboratories Inc | Minimizing circulating current using time-aligned data |
AU2008361188B2 (en) | 2008-08-27 | 2014-11-20 | Maschinenfabrik Reinhausen Gmbh | Method for switching without any interruption between winding taps on a tap-changing transformer |
CN102077305B (en) * | 2008-08-27 | 2012-09-12 | 赖茵豪森机械制造公司 | Tap switch with semiconductor switching elements |
WO2011017449A2 (en) * | 2009-08-04 | 2011-02-10 | Asic Advantage, Inc. | Multiple independently regulated parameters using a single magnetic circuit element |
GB0916190D0 (en) * | 2009-09-15 | 2009-10-28 | Imp Innovations Ltd | Method and apparatus for performing on-load mechanical switching operations |
DE102010008973B4 (en) * | 2010-02-24 | 2015-11-05 | Maschinenfabrik Reinhausen Gmbh | Step switch of the hybrid type with semiconductor switching elements |
DE102011012080A1 (en) * | 2011-02-23 | 2012-08-23 | Maschinenfabrik Reinhausen Gmbh | step switch |
US8957649B2 (en) | 2012-03-01 | 2015-02-17 | Cooper Technologies Company | Manual multi-phase voltage control |
CN103427685A (en) * | 2012-05-24 | 2013-12-04 | 鸿富锦精密工业(武汉)有限公司 | DC voltage generation circuit |
US9087635B2 (en) | 2012-08-24 | 2015-07-21 | General Electric Company | Load tap changer |
US9898019B2 (en) * | 2012-12-27 | 2018-02-20 | Xiaoming Li | Thyristor assisted on-load tap changer and method thereof |
FR3004284B1 (en) | 2013-04-08 | 2015-04-03 | Schneider Electric Ind Sas | TRANSFORMER WITH MEANS FOR ADJUSTING THE LOAD TRANSFORMATION RATIO |
US9252671B2 (en) | 2013-04-24 | 2016-02-02 | Western Digital Technologies, Inc. | Power supply with voltage output responsive to load demand |
US9128140B2 (en) | 2013-09-16 | 2015-09-08 | Schweitzer Engineering Laboratories, Inc. | Detection of a fault in an ungrounded electric power distribution system |
DE102013110652B4 (en) * | 2013-09-26 | 2018-02-22 | Maschinenfabrik Reinhausen Gmbh | Switch arrangement with selection |
DE102013110656A1 (en) * | 2013-09-26 | 2015-03-26 | Maschinenfabrik Reinhausen Gmbh | step switch |
US9570252B2 (en) | 2014-01-27 | 2017-02-14 | General Electric Company | System and method for operating an on-load tap changer |
EP2930837A1 (en) | 2014-04-10 | 2015-10-14 | GE Energy Power Conversion Technology Ltd | Power converters |
US9557754B2 (en) * | 2014-04-22 | 2017-01-31 | General Electric Company | Load tap changer |
BR112017011004A2 (en) * | 2014-11-25 | 2018-02-14 | Hai Wang | on-load voltage regulation bypass switch for transformer and switch control method |
CN105424995B (en) * | 2015-11-10 | 2018-05-01 | 青岛天晟达新能源科技有限公司 | A kind of intelligent anti-theft electricity ammeter |
CN105319420A (en) * | 2015-11-10 | 2016-02-10 | 成都九十度工业产品设计有限公司 | Intelligent voltage regulation ammeter |
CN105425002B (en) * | 2015-11-10 | 2018-07-27 | 浙江晨泰科技股份有限公司 | A kind of intelligent anti-theft electricity electric meter system |
US10048709B2 (en) * | 2016-09-19 | 2018-08-14 | General Electric Company | System and method for regulation of voltage on an electric power system |
CN110620001A (en) * | 2018-06-20 | 2019-12-27 | 特变电工衡阳变压器有限公司 | Test transformer |
US10890932B2 (en) | 2018-08-20 | 2021-01-12 | Eaton Intelligent Power Limited | Electrical network configured to magnetically couple to a winding and to control magnetic saturation in a magnetic core |
US11735923B2 (en) | 2020-07-28 | 2023-08-22 | Eaton Intelligent Power Limited | Voltage regulation device that includes a converter for harmonic current compensation and reactive power management |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0644562A1 (en) * | 1993-09-21 | 1995-03-22 | THE NATIONAL GRID COMPANY plc | Electrical changeover switching |
JPH08288154A (en) * | 1995-04-11 | 1996-11-01 | Narishige Imoto | Switching device |
US5969511A (en) * | 1995-08-01 | 1999-10-19 | N.V. Eneco | Method and device for continuous adjustment and regulation of transformer turns ratio, and transformer provided with such device |
WO2001022447A1 (en) * | 1999-09-20 | 2001-03-29 | Abb Ab | An electric switching device, a method for controlling the device and a use of the switching device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4562338A (en) * | 1983-07-15 | 1985-12-31 | Osaka Titanium Co., Ltd. | Heating power supply apparatus for polycrystalline semiconductor rods |
US4860145A (en) * | 1983-11-14 | 1989-08-22 | Oneac Corporation | Tap switching protection circuit |
US4888545A (en) * | 1988-06-01 | 1989-12-19 | International Business Machines Corp. | Improved tap switching power supply |
US6472851B2 (en) * | 2000-07-05 | 2002-10-29 | Robicon Corporation | Hybrid tap-changing transformer with full range of control and high resolution |
US6559562B1 (en) * | 2001-12-14 | 2003-05-06 | Ssi Power, Llc | Voltage sag and over-voltage compensation device with pulse width modulated autotransformer |
-
2004
- 2004-07-20 FR FR0451585A patent/FR2873489B1/en not_active Expired - Fee Related
-
2005
- 2005-07-19 DE DE602005009442T patent/DE602005009442D1/en active Active
- 2005-07-19 EP EP05106611A patent/EP1619698B1/en active Active
- 2005-07-19 AT AT05106611T patent/ATE407438T1/en not_active IP Right Cessation
- 2005-07-19 US US11/183,991 patent/US7355369B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0644562A1 (en) * | 1993-09-21 | 1995-03-22 | THE NATIONAL GRID COMPANY plc | Electrical changeover switching |
JPH08288154A (en) * | 1995-04-11 | 1996-11-01 | Narishige Imoto | Switching device |
US5969511A (en) * | 1995-08-01 | 1999-10-19 | N.V. Eneco | Method and device for continuous adjustment and regulation of transformer turns ratio, and transformer provided with such device |
WO2001022447A1 (en) * | 1999-09-20 | 2001-03-29 | Abb Ab | An electric switching device, a method for controlling the device and a use of the switching device |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Week 199703, Derwent World Patents Index; AN 1997-026938, XP002319314 * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 03 31 March 1997 (1997-03-31) * |
Also Published As
Publication number | Publication date |
---|---|
ATE407438T1 (en) | 2008-09-15 |
FR2873489B1 (en) | 2006-10-06 |
EP1619698B1 (en) | 2008-09-03 |
US20060039171A1 (en) | 2006-02-23 |
DE602005009442D1 (en) | 2008-10-16 |
US7355369B2 (en) | 2008-04-08 |
EP1619698A2 (en) | 2006-01-25 |
FR2873489A1 (en) | 2006-01-27 |
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