EP2815411A1 - Transformator mit stufenschalteinrichtung - Google Patents
Transformator mit stufenschalteinrichtungInfo
- Publication number
- EP2815411A1 EP2815411A1 EP13700690.4A EP13700690A EP2815411A1 EP 2815411 A1 EP2815411 A1 EP 2815411A1 EP 13700690 A EP13700690 A EP 13700690A EP 2815411 A1 EP2815411 A1 EP 2815411A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- series
- semiconductor switching
- branch
- transformer
- 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
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0011—Voltage selector switches
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
Definitions
- the invention relates to a transformer with tap changer for
- Winding taps of a tapped transformer have been known in the art for many years.
- the corresponding step transformers which are to be controlled, have a stepped control winding on the primary side or on the secondary side.
- the winding on the regulating side of the transformer as a whole consists of a fixed part, the main winding, and the actual control winding, which has a plurality of winding taps. This is explained in detail in the publication "Axel Kramer: On-Load Tap-Changers for Power Transformers", published in 2000.
- Control winding has.
- Lightning voltage exposure during testing of the transformer and transients in the network eg when switching SF 6 - / vacuum circuit breakers) exposed.
- the object of the invention is to provide a transformer with a tap changer, in which the electrical load in the tap changer
- Subclaims relate to advantageous developments of the invention.
- the invention is based on the general idea of dividing the common prior art winding on the side of the transformer to be controlled into two equal winding parts and providing the control winding between these winding parts and, in turn, the corresponding step switching device.
- the semiconductor switching elements can no longer be loaded with the full amplitude of the lightning voltage wave, since the respective impedance is connected upstream of half the main winding. Since the quasi-upstream part of the main winding also absorbs part of the energy of the lightning voltage wave, the protective circuit of the switching elements can also be made smaller, resulting in cost and space savings. Furthermore, it is also possible to use semiconductor switching elements with a smaller blocking / blocking voltage, since these are to be dimensioned primarily after the lightning voltage load and not according to the standing AC voltage.
- the semiconductor switching elements are not burdened in this case with the full amplitude and Fiankensteilheit, since the individual winding parts act as an upstream throttle damping.
- the winding design for the split main winding is designed symmetrically; As a result, the force effect is minimized in the event of a short circuit.
- FIG. 1 shows a first embodiment of a transformer according to the invention
- Fig. 2 shows another embodiment of the invention
- Fig. 3 is a table according to the gem. Figure 2 can be achieved
- Fig. 4 shows a third embodiment of the invention
- Figure 1 shows in a first embodiment of the invention, a transformer whose primary and secondary sides by a schematically indicated dashed line
- the primary page is shown to be regulated at the. Erfindungsge, ..- .. »a split trunk winding provided, which consists of two identical trunk winding parts 1, 2. In between is one
- Stepping device 3 arranged, which is symbolized by a dashed line.
- Step switching device 3 has here, as the simplest case, a control winding 4, which is surrounded by switching elements S in the form of a bridge.
- switching elements S for example, antiparallel thyristor pairs, IGBTs o.ä. Semiconductor switching elements, can be used.
- the control winding 4 is switched on or off. Shown here is still a switch 5, a so-called black start switch, which ensures that the transformer can continue to operate even in case of failure of the controller or the failure of semiconductor switching elements.
- Fig. 2 shows a further developed embodiment of the invention.
- the tap changer device 3 consists of several parts of a control winding W1, W1, W3.
- the tap changer 3 here consists of three individual modules M1, M2, M3.
- the first module M1 comprises the first partial winding W1 and on both sides thereof two bridging paths which each comprise a series connection of two semiconductor switching elements S1 .1 and S1 .2 or S1.3 or S1 .4. In each case between the two series-connected switching elements a center tap M1.1 or M1.2 is provided.
- the individual semiconductor switching elements are shown here as well as in the following figures only schematically as a simple switch. They include in practice parallel thyristor pairs, IGBTs or other semiconductor switching elements. They may also each comprise a series or parallel connection of a plurality of such individual semiconductor switch elements.
- the one center tap M1 .2 is electrically connected to the trunk winding part 2.
- the other center tap M1.1 is connected to a center tap M2.1 of a second module M2.
- This second module M2 is constructed identically; it likewise comprises a partial winding W2 and the two series circuits each comprising two semiconductor switching elements S2.1 and S2.2 or S2.3 and S2.4.
- center tap M2.1 and M2.2 are provided between the respective series circuits again.
- the wiring of a center tap M2.1 with the first module M1 has already been explained; the second center tap M2.2 in turn is connected to a center tap M3.2 of a third module M3.
- This third module M3 is again constructed identically. It again includes one
- the not yet mentioned center tap M3.1 of the third and here last module M3 is electrically connected to the main winding part 1.
- the partial winding W2 in the second module M2 here has the triple number of turns of the partial winding W1 in the first module M1.
- the partial winding W3 in the third module M3 here has six times the number of turns of the partial winding W1 in the first module M1.
- FIG. 3 shows a wiring table of the step switching device according to the invention shown in FIG.
- the symbol “0” means that the corresponding partial winding is not switched on, that is to say bridged
- the symbol “+” means that the corresponding partial winding to the high-voltage winding 2 is connected in the same way.
- the symbol “-” finally means that the corresponding part winding is connected in opposite directions to the high-voltage winding 2.
- FIG. 4 shows a further embodiment of the invention.
- the devisnschait driving 3 shown here is arranged. It has two series connected
- the first switching assembly A in turn has a
- two semiconductor switching units S1, S2 are provided in series with one another.
- two further semiconductor switching units S3, S4 are connected in series with each other intended.
- a first part winding W1 of the control winding is arranged between the two series-connected semiconductor switching units S1, S2 in the first branch 9 and the two series-connected semiconductor switching units S3, S4 in the second branch 10.
- the second switch assembly B has a parallel circuit of three branches 1 1, 12 and 13.
- In the third branch 1 1 are connected in series to each other two semiconductor-shaft units S5, S6, in the fourth branch 12 are connected in series to each other two semiconductor switching units S7, S8 and in the fifth branch 13 in series with each other two semiconductor switching units S9, S10 provided.
- the second switch assembly B is electrically connected to the parent winding part 2.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Power Conversion In General (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Ac-Ac Conversion (AREA)
- Coils Of Transformers For General Uses (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012202105.1A DE102012202105B4 (de) | 2012-02-13 | 2012-02-13 | Transformator mit Stufenschalteinrichtung |
PCT/EP2013/050611 WO2013120642A1 (de) | 2012-02-13 | 2013-01-15 | Transformator mit stufenschalteinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2815411A1 true EP2815411A1 (de) | 2014-12-24 |
EP2815411B1 EP2815411B1 (de) | 2017-05-31 |
Family
ID=47594705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13700690.4A Revoked EP2815411B1 (de) | 2012-02-13 | 2013-01-15 | Transformator mit stufenschalteinrichtung |
Country Status (14)
Country | Link |
---|---|
US (1) | US9123464B2 (de) |
EP (1) | EP2815411B1 (de) |
JP (1) | JP6250560B2 (de) |
KR (1) | KR102014225B1 (de) |
CN (1) | CN104094369B (de) |
AU (1) | AU2013220673B2 (de) |
BR (1) | BR112014019987A2 (de) |
CA (1) | CA2861465C (de) |
DE (1) | DE102012202105B4 (de) |
ES (1) | ES2637656T3 (de) |
HK (1) | HK1201634A1 (de) |
RU (1) | RU2632194C2 (de) |
UA (1) | UA114419C2 (de) |
WO (1) | WO2013120642A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112013006274T5 (de) * | 2012-12-27 | 2015-09-24 | Xiaoming Li | Thyristorgestützter Laststufenschalter sowie zugehöriges Verfahren |
DE102013110652B4 (de) * | 2013-09-26 | 2018-02-22 | Maschinenfabrik Reinhausen Gmbh | Schaltanordnung mit Vorwähler |
CH709397A1 (de) * | 2014-03-24 | 2015-09-30 | Siegfried A Eisenmann | Kraftfahrzeug mit Elektroantrieb. |
CN106298295A (zh) * | 2015-05-25 | 2017-01-04 | 北京华天机电研究所有限公司 | 桥接式有载分接开关 |
RU2613679C2 (ru) * | 2015-08-19 | 2017-03-21 | Борис Алексеевич Аржанников | Устройство для регулирования напряжения и способ его регулирования |
EP3285349B1 (de) * | 2016-08-16 | 2019-03-13 | ABB Schweiz AG | Schutz eines transformator mit einem stufenschalter |
EP3839993A1 (de) * | 2019-12-17 | 2021-06-23 | ABB Power Grids Switzerland AG | Leistungselektronik-laststufenschalter mit reduzierter anzahl von abzweigen |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US686757A (en) * | 1901-02-23 | 1901-11-19 | Isaac Williams | Wire-fence machine. |
NL278413A (de) | 1961-05-15 | |||
NL123797C (de) * | 1961-06-22 | |||
JPS5118609B1 (de) * | 1968-03-13 | 1976-06-11 | ||
US3668511A (en) * | 1971-02-16 | 1972-06-06 | Mc Graw Edison Co | Self energizing tap switch for electronic tap changer |
US4061963A (en) * | 1976-04-27 | 1977-12-06 | Westinghouse Electric Corporation | Load tap changer system |
SE402502B (sv) * | 1976-10-29 | 1978-07-03 | Asea Ab | Lindningskopplare |
EP0294653A1 (de) * | 1987-06-09 | 1988-12-14 | Siemens Aktiengesellschaft | Stufenschalter für Transformatoren mit im laststromfreien Zustand betätigbarem Wender |
WO1995027931A1 (en) | 1994-04-06 | 1995-10-19 | Utility Systems Technologies, Inc. | Load tap changer |
JP3342805B2 (ja) * | 1996-07-19 | 2002-11-11 | 北海道電力株式会社 | 変圧器タップ切替装置 |
JP2000125473A (ja) * | 1998-10-19 | 2000-04-28 | Toshiba Corp | 電力調整装置及びその装置の制御方法 |
ATE308150T1 (de) | 2000-08-18 | 2005-11-15 | John Vithayathil | Schaltungsanordnung zur statischen erzeugung einer veränderbaren elektrischen leistung |
DE10102310C1 (de) * | 2001-01-18 | 2002-06-20 | Reinhausen Maschf Scheubeck | Thyristor-Stufenschalter |
KR100769191B1 (ko) | 2004-03-22 | 2007-10-23 | 엘지.필립스 엘시디 주식회사 | 평판 발광 램프 장치 및 그 제조방법 |
GB2424766B (en) | 2005-03-31 | 2007-06-27 | Areva T & D Sa | An on-load tap changer |
ES2318961B1 (es) | 2006-05-19 | 2010-02-04 | Universidad De Sevilla | Cambiador de tomas estatico optimizado para transformadores de alta/media tension (at/mt) y media/baja tension (mt/bt). |
JP5379804B2 (ja) * | 2007-10-19 | 2013-12-25 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 炭化水素含有層の処理用熱源の不規則な間隔 |
CN101430967B (zh) | 2008-08-21 | 2010-12-08 | 上海华明电力设备制造有限公司 | 晶闸管电阻过渡切换有载分接开关 |
DE102009017196A1 (de) | 2009-04-09 | 2010-10-14 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter mit Halbleiter-Schaltelementen |
CN201608037U (zh) * | 2009-12-11 | 2010-10-13 | 合肥金德电力设备制造有限公司 | 单相无励磁分接开关 |
DE102009060132B3 (de) | 2009-12-23 | 2011-05-12 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter mit Polungsschalter an einem Regeltransformator |
-
2012
- 2012-02-13 DE DE102012202105.1A patent/DE102012202105B4/de active Active
-
2013
- 2013-01-15 KR KR1020147025596A patent/KR102014225B1/ko active IP Right Grant
- 2013-01-15 CA CA2861465A patent/CA2861465C/en active Active
- 2013-01-15 JP JP2014555987A patent/JP6250560B2/ja active Active
- 2013-01-15 EP EP13700690.4A patent/EP2815411B1/de not_active Revoked
- 2013-01-15 US US14/373,043 patent/US9123464B2/en active Active
- 2013-01-15 UA UAA201409083A patent/UA114419C2/uk unknown
- 2013-01-15 ES ES13700690.4T patent/ES2637656T3/es active Active
- 2013-01-15 AU AU2013220673A patent/AU2013220673B2/en active Active
- 2013-01-15 CN CN201380007408.5A patent/CN104094369B/zh active Active
- 2013-01-15 WO PCT/EP2013/050611 patent/WO2013120642A1/de active Application Filing
- 2013-01-15 BR BR112014019987A patent/BR112014019987A2/pt not_active Application Discontinuation
- 2013-01-15 RU RU2014137003A patent/RU2632194C2/ru active
-
2015
- 2015-02-27 HK HK15102011.4A patent/HK1201634A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
RU2014137003A (ru) | 2016-04-10 |
UA114419C2 (uk) | 2017-06-12 |
WO2013120642A1 (de) | 2013-08-22 |
US20140375407A1 (en) | 2014-12-25 |
EP2815411B1 (de) | 2017-05-31 |
KR20140122278A (ko) | 2014-10-17 |
AU2013220673A1 (en) | 2014-09-25 |
CN104094369A (zh) | 2014-10-08 |
HK1201634A1 (en) | 2015-09-04 |
KR102014225B1 (ko) | 2019-10-21 |
JP6250560B2 (ja) | 2017-12-20 |
CA2861465C (en) | 2019-09-17 |
CA2861465A1 (en) | 2013-08-22 |
ES2637656T3 (es) | 2017-10-16 |
BR112014019987A2 (pt) | 2017-07-04 |
DE102012202105B4 (de) | 2014-08-07 |
JP2015510268A (ja) | 2015-04-02 |
CN104094369B (zh) | 2016-10-26 |
RU2632194C2 (ru) | 2017-10-03 |
US9123464B2 (en) | 2015-09-01 |
DE102012202105A1 (de) | 2013-08-14 |
AU2013220673B2 (en) | 2017-01-05 |
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