CN2437028Y - Redistributing loaded switch for winding of transformer - Google Patents
Redistributing loaded switch for winding of transformer Download PDFInfo
- Publication number
- CN2437028Y CN2437028Y CN 00212759 CN00212759U CN2437028Y CN 2437028 Y CN2437028 Y CN 2437028Y CN 00212759 CN00212759 CN 00212759 CN 00212759 U CN00212759 U CN 00212759U CN 2437028 Y CN2437028 Y CN 2437028Y
- Authority
- CN
- China
- Prior art keywords
- moving contact
- contact
- compression set
- pressure moving
- low pressure
- 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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Abstract
The utility model belongs to a variable transformer component and is suitable for a variable transformer with the rearrangement or interconnected winding, such as a transformer with the adjustable capacity. The variable transformer component is characterized in that the lower end of a main shaft for controlling a high voltage movable contacting head is fixed with a shifting component and a shifted component matched with the shifting component, and a differential interval is arranged between the shifting component and the shifted component. A low voltage movable contacting head is arranged on the periphery of a shifting disk fixed on the shifting component, and the high voltage movable contacting head, a high voltage fixed contacting head, the low voltage movable contacting head and a low voltage fixed contacting head are positioned in an oil room composed of the same insulating cylinder. The variable transformer component can carry out the star-shaped or triangle connecting group switchover for the high voltage winding and simultaneously can carry out the parallel or series connection switchover for the low voltage winding. The variable transformer component also has the advantages of compact structure and low height.
Description
The utility model belongs to the parts of variable transformer, is that transformer is realized winding rearrangement or interconnected device under excitation or non-interrupt load state, is applicable to the transformer of rearrangement or interconnected winding, as the transformer of adjustable lift face amount.
At present, the purpose of the on load tap changer that variable transformer is commonly used is: under interrupt load state not, the switching that connects tap by the opposing connection component realizes adjusting the output voltage of transformer.It mainly is made up of decide contact, the operating mechanism that constitutes to the quick mechanism of deciding moving contact that contact switches, the action of actuating moving contact, by motor etc., transition resistance, the insulating cylinder etc. that join with the winding shunting tap.Its weak point is: 1, this structure can only be switched the output voltage of adjusting transformer to pressure regulation winding shunting tap, and can not the star or the triangle connection of winding be switched; 2, this structure can only or claim the tap of high pressure winding to switch to the pressure regulation winding, switches and can not carry out serial or parallel connection to the low pressure winding together.
The purpose of this utility model is to overcome the weak point in the above-mentioned prior art, and provide the high pressure winding is carried out star or the switching of delta connection group, and every phase low pressure winding is carried out the Transformer Winding rearrangement loaded switch that serial or parallel connection switches.
The purpose of this utility model can reach by following measure.It comprises decides contact, moving contact, insulating cylinder, operating mechanism and quick mechanism etc., its special character is: the main shaft lower end at actuating high pressure moving contact is fixed with dialing part, below main shaft, be equipped be equipped with match with dialing part by the dial of dialing part and actuating low pressure moving contact, and dialing part and being provided with between dialing part in handoff procedure, make the high pressure moving contact break away from behind the high compression set contact time-delay stir the low pressure moving contact and make the high pressure moving contact with high compression set contact between reach between low pressure moving contact and low compression set contact and finish simultaneously between the differential area of handoff procedure; The insulation of low pressure moving contact is contained on the circumference of dial, and low compression set contact correspondingly is contained on the insulating cylinder of low pressure moving contact periphery; The three-phase high-voltage moving contact insulate from top to bottom and is contained on the main shaft, and high compression set contact correspondingly is contained on the insulating cylinder of three-phase high-voltage moving contact periphery; The grease chamber that high pressure moving contact, high compression set contact, low pressure moving contact, low compression set contact etc. place same insulating cylinder to constitute.
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is I-I profile of Fig. 1;
Fig. 3 is II-II profile of Fig. 1;
Fig. 4 is III-III profile of Fig. 1;
Fig. 5 is IV-IV cutaway view of Fig. 1;
Fig. 6 is a three-phase high-voltage winding triangle tie lines principle illustration;
Fig. 7 is every phase low pressure winding and joint lines principle illustration;
Fig. 8 is a three-phase high-voltage winding star connection principle illustration;
Fig. 9 is every phase low pressure windings in series tie lines principle illustration.
With reference to Fig. 1～Fig. 9.The quick mechanism 2 of operating mechanism 1 and actuating main shaft 3 is equipped with on top of the present utility model.Be fixed with dialing part 6 in the lower end of main shaft 3.Below main shaft 3, be equipped be equipped with match with dialing part 6 by the dial 8 of dialing part 7, and dialing part 6 and be provided with α between differential area by 7 of dialing parts.α is in handoff procedure between this differential area, makes high pressure moving contact 11 break away from high compression set contact 10 back time-delays and stirs low pressure moving contact 12, makes high pressure moving contact 11 and high compression set contact 10, low pressure moving contact 12 and 9 of low compression set contacts finish handoff procedure simultaneously.Low pressure moving contact 12 is contained on the circumference of dial 8 of insulation.Low compression set contact 9 correspondingly is contained on the insulating cylinder 4 of low pressure moving contact 12 peripheries, has so just formed low pressure moving contact 12 and low compression set contact 9 structure in the same plane.Three-phase high-voltage moving contact 11 is contained on the main shaft 3 of insulation from top to bottom.High compression set contact 10 correspondingly is contained on the insulating cylinder 4 of three-phase high-voltage moving contact 11 peripheries.Every phase high pressure moving contact 11 is made of two contacts, and between two contacts one angle theta is arranged.High pressure moving contact 11, high compression set contact 10, low pressure moving contact 12, low compression set contact 9, dialing part 6, the grease chamber 5 that is placed same insulating cylinder 4 to be constituted by dialing part 7, dial 8, main shaft 3 etc.
To can carry out triangle or star connection, Y connection group below with the three-phase high-voltage winding of transformer switches, two line charts in every phase winding of three-phase low pressure winding can be in parallel or the series connection tie lines switches that a kind of winding of having simplified resets structure is example, makes as a summary of the present utility model.
With reference to Fig. 2～Fig. 9.Head end A, B, the C of A, B, C three-phase high-voltage winding are joined with the utility model one side three high compression set contacts 10 from top to bottom respectively; C, A, B three-phase high-voltage winding do not held Z, X, Y to decide contact 10 with from top to bottom three of a middle row respectively to join; Neutral point O when from top to bottom three of another side are decided contact 10 and are connected together as star connection.Head end a with a, b, c three-phase low pressure winding a two coils in mutually
1And a
2, do not hold x
1And x
2, b mutually in the head end b of two coils
1And b
2, do not hold y
1And y
2, c mutually in the head end c of two coils
1And c
2, do not hold z
1And z
2, respectively with insulating cylinder 4 on low compression set contact 9 correspondingly be connected together; Will with x
2, y
2, z
2The low compression set contact 9 that joins respectively with the basic coil head end a of every winding of low pressure mutually
3, b
3, c
3Join, again with the not end x of every mutually basic coil
3, y
3, z
3Connect together as the low pressure neutral point O.
When high compression set contact 10 that three-phase high-voltage moving contact 11 is connected across respectively that A and Z, B and X, C and Y join, A, B, C three-phase high-voltage winding are the delta connection group; At this moment, two of each phase low pressure moving contacts 12 are connected across a respectively
1And a
2, x
1And x
2, b
1And b
2, y
1And y
2, c
1And c
2, z
1And z
2The position of the low compression set contact 9 that joins, two coils in every phase low pressure winding are in state in parallel.When main shaft 3 rotated, as shown in Fig. 2～Fig. 5 was counterclockwise, made high pressure moving contact 11 break away from corresponding high compression set contact 10 earlier; The dialing part 6 that is fixed on main shaft 3 lower ends rotates thereupon, but because of dialing part 6 and had by 7 of dialing parts between the differential area at α angle, when initial dialing part 6 just idle running do not stir by dialing part 7; Dialing part 6 begins to drive and is rotated by dialing part 7 when main shaft 3 turns over the α angle, when together turning over θ-α angle, three-phase high-voltage moving contact 11 is connected across respectively on the high compression set contact 10 that Z and O, Y and O, X and O join, and makes the three-phase high-voltage winding be in star connection, Y connection group state; Simultaneously dialing part 6 is stirred by dialing part 7 and is made corresponding low pressure moving contact 12 on the dial 8 finish x to joining with low compression set contact 9 respectively
1With a
1, y
1With b
2, z
1With c
2Cross-over connection, make two coils in every phase low pressure winding be in series connection.
The utility model compared with the prior art good effect is as follows,
1, because the utility model is provided with pulling part in the main shaft lower end, is equipped with below with pulling part and matches By pulling part, and pulling part and being provided with between pulling part between differential area can break away from high pressure at the high pressure moving contact After deciding contact, the low pressure moving contact is stirred in time-delay, makes high pressure moving contact and high compression set contact and low pressing Finish simultaneously handoff procedure between contact and low compression set contact, therefore can realize the Three-Phase Transformer high voltage winding The parallel connection and serial connection of two coils in triangle and star connection group and the every phase low pressure winding of group Arrange and switch;
2, owing to of the present utility modelly low press, decide contact all on a plane, therefore can reduce The height of utility model;
3, since height of the present utility model press, decide contact and low press, decide the grease chamber that contact etc. is arranged in same insulating cylinder formation, so compact conformation.
In a word, the utlity model has the transformer high-voltage winding is carried out triangle and the switching of star connection, Y connection group, simultaneously the coil in every phase low pressure winding is connected and switching in parallel, and volume is little, compact conformation.
Claims (4)
1, Transformer Winding is reset loaded switch, comprise and decide contact, moving contact, insulating cylinder, operating mechanism and quick mechanism etc., it is characterized in that: the main shaft lower end at actuating high pressure moving contact is fixed with dialing part, below main shaft, be equipped be equipped with match with dialing part by the dial of dialing part and actuating low pressure moving contact, and dialing part and being provided with between dialing part in handoff procedure, make the high pressure moving contact break away from behind the high compression set contact time-delay stir the low pressure moving contact and make the high pressure moving contact with high compression set contact between reach between low pressure moving contact and low compression set contact and finish simultaneously between the differential area of handoff procedure.
2, Transformer Winding according to claim 1 is reset loaded switch, it is characterized in that: the insulation of low pressure moving contact is contained on the circumference of dial, and low compression set contact correspondingly is contained on the insulating cylinder of low pressure moving contact periphery.
3, Transformer Winding according to claim 1 and 2 is reset loaded switch, and it is characterized in that: the three-phase high-voltage moving contact insulate from top to bottom and is contained on the main shaft, and high compression set contact correspondingly is contained on the insulating cylinder of three-phase high-voltage moving contact periphery.
4, Transformer Winding according to claim 3 is reset loaded switch, it is characterized in that: the grease chamber that high pressure moving contact, high compression set contact, low pressure moving contact, low compression set contact etc. place same insulating cylinder to constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00212759 CN2437028Y (en) | 2000-07-26 | 2000-07-26 | Redistributing loaded switch for winding of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00212759 CN2437028Y (en) | 2000-07-26 | 2000-07-26 | Redistributing loaded switch for winding of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2437028Y true CN2437028Y (en) | 2001-06-27 |
Family
ID=33579202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00212759 Expired - Lifetime CN2437028Y (en) | 2000-07-26 | 2000-07-26 | Redistributing loaded switch for winding of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2437028Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797555A (en) * | 2011-09-17 | 2014-05-14 | 赖茵豪森机械制造公司 | On-load tap changer |
| CN103928932A (en) * | 2014-04-30 | 2014-07-16 | 海尔海斯(西安)控制技术有限公司 | Low-voltage on-load voltage regulation device |
-
2000
- 2000-07-26 CN CN 00212759 patent/CN2437028Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797555A (en) * | 2011-09-17 | 2014-05-14 | 赖茵豪森机械制造公司 | On-load tap changer |
| CN103928932A (en) * | 2014-04-30 | 2014-07-16 | 海尔海斯(西安)控制技术有限公司 | Low-voltage on-load voltage regulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010627 |
|
| DD01 | Delivery of document by public notice |
Addressee: Shao Changqing Document name: Notification of Expiration of Patent Right Duration |