CN87104614A - The load selector that has preselector that is used for adjustable transformer - Google Patents
The load selector that has preselector that is used for adjustable transformer Download PDFInfo
- Publication number
- CN87104614A CN87104614A CN87104614.8A CN87104614A CN87104614A CN 87104614 A CN87104614 A CN 87104614A CN 87104614 A CN87104614 A CN 87104614A CN 87104614 A CN87104614 A CN 87104614A
- Authority
- CN
- China
- Prior art keywords
- contact
- load selector
- preselector
- switch
- wallboard
- 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.)
- Withdrawn
Links
Images
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Housings And Mounting Of Transformers (AREA)
- Gas-Insulated Switchgears (AREA)
- Transformers For Measuring Instruments (AREA)
- Electrophonic Musical Instruments (AREA)
- Electrotherapy Devices (AREA)
Abstract
The multiphase load selector that is used for adjustable transformer has a sealing cylinder shape housing that is made of shunting switch end and oil conservator bottom.The shunting switch end has a upper flange, a side of load selector have one with its contour commutator, being positioned at its circle centre position is a commutator switch axle by supporting members support.Each contact of commutator is positioned on the about identical plane corresponding to the load selector contact of each phase.Near the contact of commutator, in the both sides of tube wall some polarity resistance bar-shaped and that be the polyline shaped arrangement are installed, its end is connected with intermediate contact, and has idiostatic.
Description
The present invention relates to a kind of multiphase load selector that is applicable to adjustable transformer.This class load selector is well known: brochure " the H type shunting switch " 0385/500MR that sees reyn Hao Sen enginerring works.
This class is applicable to that the load selector of high pressure, the preselector that is positioned at load selector one side are parts and come second flange as adjustable transformer with its end independently.The driving of preselector is to realize that by a rod member that is positioned on the transformer outer surface this rod member is connected with the actuator of load selector.
The load selector of other types is also well known, preselector as the part of load selector be installed in the upper part of oil conservator or down the position (DE-PS2913271, DE-OS3310741).Here preselector is positioned in the oil that is polluted in the load selector, and therefore this layout not too is applicable to condition of high voltage work, particularly because the restriction that load selector took up space can not strengthen the insulation distance of preselector arbitrarily.Preselector is divided into top and the bottom will make the cost of transmission device increase again.
The objective of the invention is to propose a kind ofly to begin the load selector that has preselector locating to mention at this paper, it is designed to have the parts that can hold the shunting switch end of transmission device, is specially adapted under high pressure work.
Described load selector has an O-ring cylindrical shell of being made up of shunting switch end and oil conservator bottom, a upper flange of shunting switch end is fixed on the flange of adjustable transformer housing, this transformer also is equipped with a preselector in the side of load selector, its armature contact, by a switch shaft transmission, the fan-shaped section section that is supported by each supporting member of a shunting switch end and oil conservator bottom with the preselector of load selector equal height is formed, at its position, center of circle one switch shaft by supporting members support is arranged, the contact of the contact of each phase and load selector is approximately in the same plane on the preselector.
Advantage that the present invention has has: preselector is arranged in the cleansing oil of transformer.Each phase contact of preselector lays respectively on about equally the height with the corresponding same contact mutually of each load selector, can make like this to connect the lead easy arrangement, does not have mutual crossover phenomenon each other, can realize favourable field distribution thus.The transmission of preselector can be directly from the transmission of load selector.
For realizing purpose of the present invention, the supporting member that is positioned at the switch end can be designed to hollow, the cavity of this supporting member is communicated with the inside of switch end.Can place the joystick of a preselector switch shaft in this cavity, this bar can be operated by block directly by the Ma Shi transmission device or the travelling gear of load selector.The driving of preselector just becomes extremely simple like this.
The fan-shaped section section that is made of an arc can be installed in the fixed contact of preselector on the wallboard of fan-shaped section section, and at the position, close contact of wallboard medial surface, polarity resistance can be installed.Equally also can mode extremely simple and the saving space be installed by an additional polarity switch, (wish so in many cases) whereby just can make with the adjustable type winding and connect formed auxiliary circuit, only in commutation process, could connect.
So an auxiliary circuit can be used for making the adjustable type winding to be connected with a current potential of determining, particularly when the adjustable type winding is changed by means of commutator.Can fixedly mount by auxiliary circuit, like this, when being installed in load selector in the transformer, only need the centre tap of winding is connected on the vacant wiring contact of series connection polarity resistance.This structure is extremely compact, and requisite space is little, has higher proof voltage intensity in addition.The both sides that polarity resistance are arranged in the insulating material wallboard of fan-shaped section section here are very favourable.
Accompanying drawing shows two embodiment that the present invention proposes, and will be described in detail below:
Figure 1 shows that the end view of the load selector that has preselector.
Figure 2 shows that the shunting switch end construction in the section of first embodiment;
Figure 3 shows that front view;
Figure 4 shows that a vertical sectional drawing;
Figure 5 shows that the vertical view of second embodiment;
Fig. 6 and 7 shows in detail polarity reversing switch.
For the purpose of eye-catching, Fig. 3-7 only partly shows the fan-shaped section section part of commutator.
Especially as can be seen from Figure 1, load selector is to be made of 3 cylindrical oil conservator 1 at the bottom of a switch end 2 and the oil vessel.Basically the fixing branch contact point 4 of a row all is equipped with on the oil conservator 1 that constitutes by an insulating material tube, each mutually, they will with the armature contact that is positioned at oil conservator inside (not being shown specifically) cooperating.Armature contact is by a switching tube 5 driven rotary (Fig. 2).Switching tube 5 is driven by the driving wheel 6 that is installed in the switch end 2.Load selector is fixed on the transformer respective flanges in due form by the flange 19 of shunting switch end 2.At the side of load selector, just at the side of cylindrical oil conservator 1, be equiped with one with load selector with high preselector 7.It is bearing in and is positioned at the bottom of the oil conservator 3 supporting member 8 and and is positioned on the supporting member 9 of shunting switch end 2.Preselector 7 is designed to fan-shaped section section, at its position, center of circle one switch shaft 10 is housed, and it is bearing on supporting member 8 and 9.On the wallboard 11 of fan-shaped section section fixed preselector contact 12 is installed, their corresponding each phases are distributed in and the asking to join one greatly on the high position of fixing minute contact point 4 of load selector.The movable preselector contact 13 corresponding with these fixed contacts is fixed on the switch shaft 10 in due form, and driven mobile by it.In order to improve proof voltage intensity, between each phase, and bucking electrode 14 has been installed specially between the phase and ground current potential.
As can be seen from Figure 2, be provided with a cavity 15 in the supporting member of on shunting switch end 2, fixing 9.The bearing journal 16 of the switch shaft 10 of preselector extend in this cavity 15.One rod member 17 is housed on the bearing journal 16 in this cavity 15, is used for switch shaft 10 is operated, rod member 17 is handled by the thrust piece 18 that is fixed on the load selector driven wheel 6.
Particularly from the Fig. 3 and 4 that shows second embodiment, can obviously find out, the wallboard 11(of fan-shaped section section is by supporting member 8 supporting of unshowned in the drawings cylindrical load selector) on fixedly commutator contact 121 is housed, 122,123, contact 123 wherein is intermediate contacts of commutator.One armature contact (not shown) selectively with intermediate contact 123, or with fixing commutator contact 121, or constitute electricity with commutator contact 122 and connect.For in the phase I, improve proof voltage intensity between the II and bucking electrode 14 has been installed.They are connected by current potential connector 141,142 and commutator contact 122 or 123.
As shown in Figure 3, in commutator contact 121, near 122 and 123, just in two sides 111 of wallboard 11,112, a plurality of being one another in series is installed, be the bar-shaped polarity resistance 20 of polyline shaped, a their end 21(does not connect polarity switch) to connect by means of the lead 22 and the intermediate contact 123 of commutator, the other end 23 is connected through lead 24 and the connecting terminal 25 that is positioned on the wallboard 11.On the structure of adjustable variator load selector, contact 25 will be connected with the centre tap of adjustable type winding, so promptly do not make the auxiliary circuit of the current potential connector of regulating winding be in on-state, the bar-shaped polarity resistance 20 that is positioned at wallboard 11 both sides 111 and 112 should be arranged like this, promptly alternately earlier a resistance is installed on the outside 112 of wallboard 11, and then next resistance is installed on the medial surface 111, can utilize the space fully like this and have higher proof voltage intensity.
In many cases, also will be accompanied by power consumption when connecting owing to circuit, and not connect all the time so do not wish auxiliary circuit, and only connect in commutation process, this just needs to add a polarity switch.Such polarity switch also is installed near the commutator contact 121,122,123 at wallboard 11 inboard 111 places.Fig. 6 and 7 shows the details of polarity switch.Here, polarity switch has replaced the lead 22 that the dotted line in Fig. 3 is represented.It has a contact arm 26, and it is bearing near the inboard 111 of wallboard 11, and makes it keep open position by a holddown spring.It and intermediate contact 123(Fig. 3 and 4) for being electrically connected.By means of a swing link 28 that is fixed on the commutator switch axle 10, contact arm 26 can be pressed to fixed contact 29 and be made commutator begin operation, a connect this moment termination 21 of polarity resistance 20 is connected with its, and swing link 28 and side 30 thereof rotate to roller 31 places that are fixed on the contact arm 26.When commutation process stopped, second side 32 of swing link 28 can make roller 31 reset.Clearly, auxiliary circuit only is in short-term with the connection of regulating winding, and presses following sequential working: polarity switch connection-commutator disconnection-commutator connection-polarity switch disconnects.
Claims (5)
1, the multiphase load selector that is used for adjustable transformer, this load selector has the cylindrical housings of a sealing of forming bottom a shunting switch end and an oil conservator, a upper flange of shunting switch end is fixed on the flange of adjustable transformer housing, this transformer also is equipped with a preselector in the side of load selector, its armature contact is by a switch shaft transmission, it is characterized by: with the preselector (7) of load selector (1) equal height be by each supporting member (8 by shunting switch end (2) and oil conservator bottom (3), 9) the fan-shaped section section of supporting is formed, have one by supporting member (8 at its position, center of circle, 9) Zhi Cheng switch shaft (10), the contact of each phase (12,13) approximately are positioned on the same plane with the contact (4) of load selector on the preselector.
2, according to the multiphase load selector of claim 1, it is characterized by: the supporting member of locating in shunting switch end (2) (9) has a cavity (15), the internal communication of it and end, the bearing journal (16) of the switch shaft (10) of preselector (7) penetrates in this cavity, has an operation rod member (17) to be connected with switch shaft bearing journal (16) in this cavity.
3, according to the multiphase load selector of claim 1 or 2, it is characterized by: the fixed contact (12) on the preselector (7) is positioned on the wallboard (11) of fan-shaped section section, and near these contacts, inboard place is equipped with polarity resistance (20) at wallboard.
4, according to the multiphase load selector of claim 3, it is characterized by: in fan-shaped section section wallboard (11) both sides (111,112), some bar-shaped polarity resistance are polyline shaped and pass tube wall and couple together with series system.One end (21) of this series resistance is connected with the intermediate contact (123) of commutator, and the other end (23) is connected with a connecting terminal (25) that is positioned on the fan-shaped section section wallboard (11) that adds.
5, multiphase load selector according to claim 3 or 4, it is characterized by: corresponding each phase, close polarity resistance place on fan-shaped section wallboard, one polarity switch is housed, this switch has one to be positioned at fan-shaped section section wallboard (11) inboard (111), and has a contact arm (26) of commutator intermediate contact (123) current potential, it is by means of a swing link (28) that is fixed on the commutator switch axle (10), can do oscillating motion with respect to the fixed polarity contact (29) that is installed on the wallboard (11), so just, can make an end of the polarity resistance (20) of series connection, with the wiring contacting that constitutes by fixed polarity contact (29).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863622716 DE3622716A1 (en) | 1986-07-05 | 1986-07-05 | Load selector, provided with a preselector, for tapped transformers |
| DEP3622716.1 | 1986-07-05 | ||
| DE19863644206 DE3644206A1 (en) | 1986-12-23 | 1986-12-23 | Load selector equipped with preselector for tap-changing transformers |
| DEP3644206.2 | 1986-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87104614A true CN87104614A (en) | 1988-01-27 |
| CN1013718B CN1013718B (en) | 1991-08-28 |
Family
ID=25845329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87104614A Expired CN1013718B (en) | 1986-07-05 | 1987-07-04 | Load selector with preselector for a step transformer |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0252400B1 (en) |
| JP (1) | JP2609248B2 (en) |
| KR (1) | KR960013034B1 (en) |
| CN (1) | CN1013718B (en) |
| AT (1) | ATE72359T1 (en) |
| DE (1) | DE3776434D1 (en) |
| IN (1) | IN169357B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437854C (en) * | 2003-03-19 | 2008-11-26 | 赖茵豪森机械制造公司 | On-load tap changer for a sequence switch |
| CN101807474A (en) * | 2008-08-14 | 2010-08-18 | 库帕技术公司 | Tap changer switch |
| CN103314424A (en) * | 2011-01-15 | 2013-09-18 | 赖茵豪森机械制造公司 | Tap changer with a pre-selector |
| CN105378873A (en) * | 2013-07-16 | 2016-03-02 | 赖茵豪森机械制造公司 | Selector switch for tap-changing transformers and support arm for a tap selector of the selector switch |
| CN105849842A (en) * | 2013-11-25 | 2016-08-10 | 赖茵豪森机械制造公司 | Support module and support frame for polarization resistors of an on-load tap changer, fastening element for polarization resistors and arrangement of polarization resistors of an on-load tap changer |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19836463C1 (en) * | 1998-08-12 | 1999-10-21 | Reinhausen Maschf Scheubeck | Electric stepping switch for stepping transformer |
| CN102623155A (en) * | 2011-01-30 | 2012-08-01 | 上海华明电力设备制造有限公司 | Integrated plug-pull combined type vacuum on-load tap changer |
| DE102011014325B4 (en) * | 2011-03-18 | 2014-11-27 | Maschinenfabrik Reinhausen Gmbh | OLTC |
| CN102709106B (en) * | 2012-05-17 | 2015-03-11 | 上海华明电力设备集团有限公司 | Vacuum arc extinction change-over selector |
| DE102016203106A1 (en) * | 2016-02-26 | 2017-08-31 | Siemens Aktiengesellschaft | Arrangement for the electrostatic shielding of an electrical system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE552585A (en) * | 1956-01-07 | |||
| NL123325C (en) * | 1962-02-08 | |||
| US3783206A (en) * | 1972-07-06 | 1974-01-01 | Westinghouse Electric Corp | Tap changing apparatus with improved contact structure to eliminate electrical fields across open interrupter switches |
| DE2913271C2 (en) * | 1979-04-03 | 1982-11-18 | Maschinenfabrik Reinhausen Gebrüder Scheubeck GmbH & Co KG, 8400 Regensburg | Three-phase load selector for step transformers |
| DE3310741A1 (en) * | 1983-03-24 | 1984-09-27 | Transformatoren Union Ag, 7000 Stuttgart | LOAD SELECTOR FOR SWITCHING STEPWINDINGS OF A THREE-PHASE TRANSFORMER |
| JPS6038014A (en) * | 1983-08-10 | 1985-02-27 | Toray Ind Inc | Filtering method |
| JPS60240110A (en) * | 1984-05-15 | 1985-11-29 | Toshiba Corp | On-load tap changer |
-
1987
- 1987-06-04 IN IN411/MAS/87A patent/IN169357B/en unknown
- 1987-06-29 EP EP87109335A patent/EP0252400B1/en not_active Expired - Lifetime
- 1987-06-29 DE DE8787109335T patent/DE3776434D1/en not_active Expired - Fee Related
- 1987-06-29 AT AT87109335T patent/ATE72359T1/en not_active IP Right Cessation
- 1987-07-03 JP JP62165561A patent/JP2609248B2/en not_active Expired - Lifetime
- 1987-07-03 KR KR1019870007109A patent/KR960013034B1/en not_active IP Right Cessation
- 1987-07-04 CN CN87104614A patent/CN1013718B/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437854C (en) * | 2003-03-19 | 2008-11-26 | 赖茵豪森机械制造公司 | On-load tap changer for a sequence switch |
| CN101807474A (en) * | 2008-08-14 | 2010-08-18 | 库帕技术公司 | Tap changer switch |
| CN103314424A (en) * | 2011-01-15 | 2013-09-18 | 赖茵豪森机械制造公司 | Tap changer with a pre-selector |
| CN105378873A (en) * | 2013-07-16 | 2016-03-02 | 赖茵豪森机械制造公司 | Selector switch for tap-changing transformers and support arm for a tap selector of the selector switch |
| CN105378873B (en) * | 2013-07-16 | 2017-10-24 | 赖茵豪森机械制造公司 | Selector is carried for having for adjustable variable-pressure device and for there is the load bearing arm for the pre-selector for carrying selector |
| CN105849842A (en) * | 2013-11-25 | 2016-08-10 | 赖茵豪森机械制造公司 | Support module and support frame for polarization resistors of an on-load tap changer, fastening element for polarization resistors and arrangement of polarization resistors of an on-load tap changer |
| CN105849842B (en) * | 2013-11-25 | 2019-04-30 | 赖茵豪森机械制造公司 | The arragement construction of the polarization resistance of carrier module and carrier and tap switch |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0252400A3 (en) | 1989-11-02 |
| CN1013718B (en) | 1991-08-28 |
| KR880002205A (en) | 1988-04-29 |
| JPS6328016A (en) | 1988-02-05 |
| IN169357B (en) | 1991-09-28 |
| EP0252400B1 (en) | 1992-01-29 |
| EP0252400A2 (en) | 1988-01-13 |
| KR960013034B1 (en) | 1996-09-25 |
| ATE72359T1 (en) | 1992-02-15 |
| JP2609248B2 (en) | 1997-05-14 |
| DE3776434D1 (en) | 1992-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN87104614A (en) | The load selector that has preselector that is used for adjustable transformer | |
| CN1038373C (en) | Multi-phase high voltage switching device with metal casing filled by high pressure gas | |
| US6849813B1 (en) | Step switch with selector | |
| CN101911412B (en) | Three-position isolating switch for medium voltage panel | |
| US3581188A (en) | Switching device for on-load tap changers of regulating transformers | |
| KR0173777B1 (en) | Gas insulated switch | |
| CN1306669A (en) | Step switch | |
| KR840002854Y1 (en) | Electrical apparatus comprising a series of current taps and variable switching gear | |
| JP2004511883A (en) | Mechanical switching contacts | |
| EP0058402B1 (en) | Gas-insulated switchgear | |
| CN2879372Y (en) | No-excitation linear voltage-adjusting strip-type tapped switch | |
| BG60735B1 (en) | Polar circuit breaker for stepping selectors | |
| EP0242691B1 (en) | Gas insulated switching apparatus | |
| CN114026665B (en) | Multi-phase selector-preselector device for on-load tap-changer | |
| CN1231490A (en) | Three-position switch driving device for electricity supply and distributing switch equipment | |
| US2435438A (en) | Electric switch | |
| CN219203025U (en) | Signal output mechanism of positive and negative-adjustment on-load switch | |
| SU791259A3 (en) | Switch for electrolyzer operation currents | |
| CN2417546Y (en) | Zero excitation tap changer | |
| CN202178205U (en) | Three-phase integrated vacuum arc extinguish chamber | |
| JPS5919398Y2 (en) | tap changer | |
| RU1775741C (en) | Rocking disconnector | |
| US3953695A (en) | Heavy current switch | |
| RU1772481C (en) | Speed-changing mechanism | |
| CN2460251Y (en) | Commutation switch of AC-Dc electric welder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |