CN2750435Y - Side outlet structure of single-phase three-winding converter transformer valve - Google Patents
Side outlet structure of single-phase three-winding converter transformer valve Download PDFInfo
- Publication number
- CN2750435Y CN2750435Y CN 200420070094 CN200420070094U CN2750435Y CN 2750435 Y CN2750435 Y CN 2750435Y CN 200420070094 CN200420070094 CN 200420070094 CN 200420070094 U CN200420070094 U CN 200420070094U CN 2750435 Y CN2750435 Y CN 2750435Y
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- valve sleeve
- transformer
- valve
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Abstract
The utility model relates to a side outlet structure for a single-phase three-winding converter transformer valve, which belongs to the technical field of single-phase transformers. As for a side outlet of the single-phase three-winding converter transformer valve simultaneously has a delta valve sleeve tube and a Y valve sleeve tube, another pair of Y valve sleeve tubes are respectively led out from different height positions at the time of ensuring that a pair of delta valve sleeve tubes are arranged on the same horizontal surface, and one Y valve sleeve tube which is arranged at a low position is a neutral point interface of a side Y connecting wire. The outgoing line of a coil winding in a transformer is also designed according to the same valve sleeve tube.
Description
Technical field
The utility model belongs to the single-phase transformer technical field, specially refers to a kind of single-phase three winding converter transformer valve side outlet structures.
Background technology
The direct current electric transmission and transformation technology is at present for 220KV, 330KV, the layout of 500KV high-voltage commutation transformer valve side outlet, existing Y simultaneously connects with Δ and connects two kinds of forms, the outlet of valve side is equipped with generally that a pair of Y connects valve sleeve and a pair of Δ connects valve sleeve in single-phase three-winding transformer, a pair of Y is connect valve pocket to the many employings of the arrangement of this of prior art kind of transformer valve side outlet and a pair of Δ connects the mode that valve sleeve is arranged respectively on same level height or same vertical line, transformer performance requires and the requirement of valve Room wiring though can satisfy, but increase the complexity of valve Room wiring, special Y type connects, connect the high pressure termination valve sleeve that line between valve sleeve must get around another transformer at the leading-out terminal Y of neutral point, transformer for the above high pressure grade of 220KV, this distance that gets around must be enough big, stayed hidden danger for the transformer safe operation.
The utility model content
In order to solve the problems of the technologies described above, the utility model proposes a kind of single-phase three winding converter transformer valve side outlet structures, designed two kinds of transformer valve side outlet methods to present, but its technical spirit content is consistent.Promptly guaranteeing that a pair of Δ connects valve sleeve and draws from the sustained height position, two valve sleeve that a pair of Y is connect are drawn from the differing heights position respectively simultaneously, it is relevant that the discrepancy in elevation between two valve sleeve and outlet voltage and the outlet of transformer interior loop winding are arranged, and the wiring of the coil windings in the corresponding transformer will design according to this valve sleeve setting.
1: a pair of Δ of transformer connects valve sleeve on end face on the transformer, and a pair of Y connects the side that valve sleeve is arranged on transformer, two valve sleeve that a pair of Δ of last end face outlet connects are arranged on two positions of certain distance on the horizontal plane, and two valve sleeve that a pair of Y that is arranged in the transformer side connects are just drawn from differing heights respectively, and a Y who joins with neutral point connects valve sleeve below on one side.Coil windings lead-in wire in the relative transformer also will be arranged the outlet method that designs coil according to this outlet.
2: a pair of Δ of transformer connects valve sleeve and a pair of Y connects the side that valve sleeve all is located at transformer, and two valve sleeve that a pair of Δ connects are drawn from sustained height, and the left and right sides is separated by a distance.A pair of Δ connects valve sleeve and is arranged on the same level, and it is the valve sleeve of neutral point wiring that a pair of Y connects the valve sleeve that a Y in the valve sleeve connects, and another is that Y meets valve sleeve string 3000～4000mm downwards, is arranged in the bottom; The outlet of the coil windings in the corresponding transformer also will design according to this layout.
Design helps three single-phase transformer Y and connects neutral dotted line and connect like this, an available horizontal cable couples together the neutral point that the Y of three single-phase transformers connects valve sleeve, realized the shortest and rationalization that cable connects, avoid the problem that detours with another single-phase transformer high-pressure side valve sleeve, increased the fail safe of transformer operation.
Description of drawings
Fig. 1 goes out from transformer top for the utility model Δ connects valve sleeve, and Y connects valve sleeve from transformer sidepiece outlet structure figure;
Fig. 2 goes out from transformer top for the utility model Δ connects valve sleeve, and Y connects valve sleeve from transformer sidepiece outlet structure end view;
Fig. 3 connects two pairs of valve sleeve from the structure chart of transformer sidepiece outlet for the utility model Y connects with Δ;
Embodiment
Designed two converter transformer valve side outlet structures according to description:
Embodiment 1: shown in accompanying drawing 1,2, designed the valve side outlet method of single-phase three winding converter transformers of the 300000KVA of 500KV, connect on two positions that valve sleeve 2 and 3 are arranged in certain distance by a pair of Δ of transformer cabling on cable rack, about fork; And the valve sleeve 4 of a pair of Y in connecing be arranged on the high-caliber position of transformer side, and the valve sleeve that another Y connects is arranged on the low-level position, transformer side.According to two valve sleeve discrepancy in elevation about the electric pressure of transformer is 4000mm, and low-level locational valve sleeve is the valve side Y interface of the neutral point of line in succession, and the wiring of the inner winding of transformer also will be done corresponding design.This structure easy-to-connect, simple and direct and attractive in appearance, compared with prior art the cable that joins of three single-phase transformer neutral points can save 60～70%, has increased the fail safe of transformer operation simultaneously.
Embodiment 2: as shown in Figure 3, designed the valve side outlet method of single-phase three winding converter transformers of the 300000KVA of 500KV, two pairs of valve sleeve of transformer 2,3,4,5 are all in the side of transformer.A pair of. two valve sleeve that Δ connects are arranged on the horizontal level, are arranged on according to the safe operation specification requirement on the position of different distance.A pair of Δ connects valve sleeve 2,3 at a distance of 3800mm.And being arranged in up and down on the differing heights of two valve sleeve 4,5 that a pair of Y connects, the discrepancy in elevation is 4000mm, wherein is valve sleeve 5 connects central point for Y interface valve sleeve pipe.The wiring of transformer Inside coil winding will be done corresponding design according to valve side outlet structure.This structure valve side line is convenient equally, simple and direct and attractive in appearance, compares with original technology, and it is nearly 60～70% that the cable that joins of three single-phase transformer neutral points is saved, and increased the fail safe of transformer operation simultaneously.
Claims (1)
1, a kind of single-phase three winding converter transformer valve side outlet structures, it is characterized in that to connect the single-phase three winding converter transformer valve side outlets that valve sleeve and Y connect valve sleeve be the same horizontally disposed while guaranteeing that a pair of Δ connects valve sleeve for having Δ simultaneously, another connects valve sleeve to Y and draws from the differing heights position respectively, and a Y of lower position setting to connect valve sleeve be the valve side Y neutral point interface of line in succession.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420070094 CN2750435Y (en) | 2004-08-03 | 2004-08-03 | Side outlet structure of single-phase three-winding converter transformer valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420070094 CN2750435Y (en) | 2004-08-03 | 2004-08-03 | Side outlet structure of single-phase three-winding converter transformer valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2750435Y true CN2750435Y (en) | 2006-01-04 |
Family
ID=35823815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420070094 Expired - Lifetime CN2750435Y (en) | 2004-08-03 | 2004-08-03 | Side outlet structure of single-phase three-winding converter transformer valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2750435Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830361A (en) * | 2017-11-23 | 2019-05-31 | 特变电工沈阳变压器集团有限公司 | A kind of single-phase three winding converter power transformer of large capacity |
| EP3726718A1 (en) * | 2019-04-19 | 2020-10-21 | General Electric Technology GmbH | Improvements in or relating to hvdc converter stations |
-
2004
- 2004-08-03 CN CN 200420070094 patent/CN2750435Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830361A (en) * | 2017-11-23 | 2019-05-31 | 特变电工沈阳变压器集团有限公司 | A kind of single-phase three winding converter power transformer of large capacity |
| EP3726718A1 (en) * | 2019-04-19 | 2020-10-21 | General Electric Technology GmbH | Improvements in or relating to hvdc converter stations |
| WO2020212172A1 (en) * | 2019-04-19 | 2020-10-22 | General Electric Technology Gmbh | Improvements in or relating to hvdc converter stations |
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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 |
Expiration termination date: 20140803 Granted publication date: 20060104 |