CN217768095U - Isolating tap switch type converter transformer - Google Patents
Isolating tap switch type converter transformer Download PDFInfo
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- CN217768095U CN217768095U CN202220985666.7U CN202220985666U CN217768095U CN 217768095 U CN217768095 U CN 217768095U CN 202220985666 U CN202220985666 U CN 202220985666U CN 217768095 U CN217768095 U CN 217768095U
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- oil tank
- oil
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- converter transformer
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Abstract
An isolation tap switch type converter transformer comprises an insulation partition plate, a first oil tank, a second oil tank and a switch, wherein the first oil tank and the second oil tank are arranged in parallel, the first oil tank and the second oil tank share the same side wall, the first oil tank and the second oil tank are connected in a welding mode, the switch is arranged in the first oil tank, and a transformer body is arranged in the second oil tank; the oil sample valve and the pressure relief device are arranged in a plurality, and the valves are arranged on the side walls of the bottoms of the first oil tank and the second oil tank. Therefore, the damage of the converter transformer caused by the self-fault of the switch is effectively reduced, and the converter transformer with the on-load tap-changer in an isolation arrangement mode and an embedded arrangement mode has interchangeability.
Description
Technical Field
The utility model relates to a transformer equipment field specifically is an keep apart tapping switch formula converter transformer.
Background
The vacuum on-load tap-changer applied to the converter transformer at the present stage always depends on import, which seriously restricts the comprehensive localization of the converter transformer and is one of the neck parts of the converter transformer and even the whole direct current transmission project.
The converter transformer with independent design in China is quite important for realizing the domestic application of the vacuum on-load tap-changer of the converter transformer and reducing the risk of the influence of possible faults of the vacuum on-load tap-changer on the converter transformer.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides an keep apart tapping switch formula converter transformer to effectively reduce the damage that switch self trouble led to the fact to converter transformer, the converter transformer that has the tapping switch isolation type arrangement mode and bury formula arrangement mode simultaneously possesses interchangeability.
The utility model discloses a realize through following technical scheme: an isolated tap switch type converter transformer comprises an insulating partition plate, a first oil tank, a second oil tank and a switch, wherein the first oil tank and the second oil tank are arranged in parallel, the first oil tank and the second oil tank share the same side wall, the switch is arranged in the first oil tank, and a transformer body is arranged in the second oil tank; the oil sample valves and the pressure release devices are arranged in a plurality of numbers, and the valves are arranged on the side walls of the bottoms of the first oil tank and the second oil tank.
Further, an insulating partition plate is arranged between the first oil tank and the second oil tank.
Furthermore, a hole is formed in the shared side wall, a welding flange is arranged in the hole, and the welding flange is used for installing the insulating partition plate.
Further, the insulating partition plate includes an insulating plate and a plurality of lead terminals.
Further, the lead terminal array is disposed on the insulating plate, a plurality of lead terminals are disposed, and the lead terminals are disposed on both sides of the insulating plate.
Further, the amount of oil in the first tank is less than the amount of oil in the second tank.
Furthermore, a pressing device, a valve side outlet, a net side outlet, a neutral point outlet and a manhole are arranged on the second oil tank.
Furthermore, the first oil tank and the second oil tank are connected through welding.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the transformer body and the tap switch are respectively arranged in the two isolated oil tanks, so that the influence of switch faults on the converter transformer is effectively reduced; the switch can be independently replaced and maintained, and meanwhile, the maintenance cost is greatly reduced.
Furthermore, an insulating partition plate is arranged between the switch oil tank and the transformer body oil tank to realize the isolation and the sealing of the oil chamber; simultaneously, can be used for stable connection insulating barrier through the setting of hole, convenient to detach and regulation simultaneously, the convenient operation of reality that can be very big.
Furthermore, the electric connection between the coil lead and the switch is realized by arranging the connector lugs on two sides of the insulating partition plate, and the interchangeability of isolated arrangement and embedded arrangement of the on-load tap-changer is met.
Furthermore, the oil quantity in the first oil tank is less than that in the second oil tank, so that oil can be discharged more quickly when serious accidents such as fire happen to the switch, the accident loss is reduced, and the accident hazard is reduced. Meanwhile, a brand new insulation structure and an oil tank structure are designed through the arrangement particularity of the tap switch and the tap arrangement of a plurality of structural members.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of an overall structure of an isolated tap changer type converter transformer according to an embodiment of the present invention.
Fig. 2 is a top view of an overall structure of an isolated tap changer type converter transformer according to an embodiment of the present invention.
Fig. 3 is a left side view of an overall structure of an isolated tap changer type converter transformer according to an embodiment of the present invention.
Fig. 4 is a front view of an insulating partition plate of an isolated tap changer type converter transformer according to an embodiment of the present invention.
Fig. 5 is a schematic view of an overall structure of an insulation partition board of an isolation tap changer type converter transformer according to an embodiment of the present invention.
Fig. 6 is a schematic view of a lead wire arrangement of an insulation barrier of an isolation tap changer type converter transformer according to an embodiment of the present invention.
In the figure: the device comprises a first oil tank 1, a switch 2, an insulating partition plate 3, a pressure release device 4, a valve 5, a second oil tank 6, an oil sample valve 7, a neutral point outlet 8, a net side outlet 9, a pressing device 10, a valve side outlet 11, a manhole 12, an insulating plate 101 and a lead terminal 102.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The utility model provides an keep apart tapping switch formula converter transformer through placing tapping switch and transformer ware body in two different oil tanks, will have the voltage regulation switch that carries to shift out from converter transformer ware body position, sets up insulating barrier between switch oil tank and ware body oil tank and realizes the isolation and the sealing of grease chamber to set up the lead terminal through insulating barrier both sides and realize the electrical connection between coil lead wire and switch, simultaneously, adopt the welding mode to connect two oil tanks.
Specifically, a transformer body and a tap switch of a transformer are respectively arranged in two oil tanks with isolated oil chambers, a switch 2 is arranged in a first oil tank 1, the transformer body is arranged in a second oil tank 6, and an insulating partition plate 3 is arranged between the first oil tank 1 and the second oil tank 6, so that the isolation and the sealing of the oil chambers are realized; the first oil tank 1 and the second oil tank 6 are both arranged to be rectangular structures, and the volume of the first oil tank 1 is smaller than that of the second oil tank 6; the first oil tank 1 and the second oil tank 6 share the same side wall, and the coil lead and the switch are electrically connected through the insulating partition plate 3; the transformer body and the tap switch are respectively arranged in two isolated oil tanks, so that the influence of the fault of the switch 2 on the converter transformer is reduced; the switch can be independently replaced and maintained, and the maintenance cost is reduced; the interchangeability of the isolation type arrangement and the embedded type arrangement of the on-load tap-changer is met; the oil quantity in the first oil tank 1 is less, and oil can be discharged more quickly if serious accidents such as fire on a switch occur, so that the accident loss is reduced, and the accident hazard is reduced.
As shown in fig. 1, the structure of the oil tank of the tap changer isolation type converter transformer. The transformer body is placed in the second oil tank 6, the switch 2 is placed in the first oil tank 1, and the two oil tanks share one oil tank wall and are connected in a welding mode. An insulating partition plate 3 is arranged between the two oil tanks to separate the oil tank where the switch 2 is located from a mailbox where the transformer body is located, and a hole is formed in the wall of the shared oil tank, and a flange is welded to the wall of the shared oil tank and used for installing the insulating partition plate 3. The insulating spacer 3 is provided with lead terminals 102 and connected as shown in the lead diagram of fig. 6.
As shown in fig. 1, a pressure release device is arranged at the top of a tank cover of a first oil tank 1, an oil sampling valve 7 is arranged on the side wall of the first oil tank 1, and 3 sampling valves are arranged; 1 oil drain valve is additionally arranged at the bottom of the first oil tank 1; the second oil tank 6 sets up oil sampling valve 7, oil sampling valve 7 be provided with 3, still be provided with the neutral point and be qualified for the next round of competitions 8 and net side 9, the pressure release is provided with 2, closing device is provided with 14, the valve side is qualified for the next round of competitions and is provided with 2, the manhole is provided with 2, simultaneously, it needs to explain, still is provided with other necessary annexes on the transformer oil tank.
This product adopts single-phase four-column type iron core and isolated oil tank structure, separates switch and transformer ware body with insulating barrier 3, makes the oil tank at switch 2 place separate with the oil tank at ware body place, can effectual improvement product reliability, according to this product tap changer arrange the particularity, designs brand-new insulating structure and oil tank structure, has solved the problem that exists among the prior art basically.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (8)
1. An isolated tap switch type converter transformer is characterized by comprising an insulating partition plate (3), a first oil tank (1), a second oil tank (6) and a switch (2), wherein the first oil tank (1) and the second oil tank (6) are arranged in parallel, the first oil tank (1) and the second oil tank (6) share the same side wall, the switch (2) is arranged in the first oil tank (1), and a transformer body is arranged in the second oil tank (6); wherein, the first and the second end of the pipe are connected with each other,
all be provided with valve (5), oil appearance valve (7) and pressure release ware (4) on first oil tank (1) and second oil tank (6), oil appearance valve (7) and pressure release ware (4) are provided with a plurality ofly, valve (5) all set up the bottom lateral wall in first oil tank (1) and second oil tank (6).
2. An isolating tap changer transformer according to claim 1, characterized in that an insulating barrier (3) is arranged between the first tank (1) and the second tank (6).
3. An isolated tap changer converter transformer according to claim 1, characterized in that the common side wall is provided with a hole, and a welding flange is arranged in the hole, and the welding flange is used for mounting the insulating partition plate (3).
4. An isolated tap changer converter transformer according to claim 2, characterized in that said insulating barrier (3) comprises an insulating plate (101) and lead terminals (102), said lead terminals (102) being provided in plurality.
5. An isolated tap changer converter transformer according to claim 4, characterized in that said array of lead terminals (102) is arranged on said insulating plate (101), said lead terminals (102) being arranged in plurality, said lead terminals (102) being arranged on both sides of said insulating plate (101).
6. An isolating tap changer transformer according to claim 1, characterised in that the amount of oil in the first tank (1) is less than the amount of oil in the second tank (6).
7. An isolating tap changer converter transformer according to claim 1, characterised in that the second tank (6) is provided with a hold-down device (10), a valve side outlet (11), a net side outlet (9) and a neutral point outlet (8) and a manhole (12).
8. An isolating tap changer transformer according to claim 1, characterised in that a welded connection is used between the first tank (1) and the second tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220985666.7U CN217768095U (en) | 2022-04-25 | 2022-04-25 | Isolating tap switch type converter transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220985666.7U CN217768095U (en) | 2022-04-25 | 2022-04-25 | Isolating tap switch type converter transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217768095U true CN217768095U (en) | 2022-11-08 |
Family
ID=83883265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220985666.7U Active CN217768095U (en) | 2022-04-25 | 2022-04-25 | Isolating tap switch type converter transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217768095U (en) |
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2022
- 2022-04-25 CN CN202220985666.7U patent/CN217768095U/en active Active
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