CN213400772U - Transformer device and power supply system - Google Patents
Transformer device and power supply system Download PDFInfo
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- CN213400772U CN213400772U CN202021616144.7U CN202021616144U CN213400772U CN 213400772 U CN213400772 U CN 213400772U CN 202021616144 U CN202021616144 U CN 202021616144U CN 213400772 U CN213400772 U CN 213400772U
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Abstract
The utility model relates to a potential device and power supply system. The voltage transformation device comprises: the transformer box body, the lifting seat and the cable plug head; the side of the transformer box body, which is far away from the ground, is a top surface, and the lifting seat is fixedly arranged on the top surface of the transformer box body and used for leading out a winding lead in the transformer box body; the winding lead in the transformer box body is connected with a cable plug through a lifting seat, and the cable plug is used for externally connecting an outgoing cable. Because the lifting seat is arranged on the top surface of the transformer box body far away from the ground, the transverse width size of the transformer device can be reduced and the occupied area can be reduced by adopting an upper wire outlet mode.
Description
Technical Field
The utility model relates to an electric power tech field especially relates to a potential device and power supply system.
Background
The transformer is one of the main devices in the power supply system, for example, after the generator set generates power, the power is boosted through the step-up transformer and then transmitted to the power utilization area, and the voltage is reduced to the use voltage of each stage through the step-down transformer.
The transformer uses accessories, such as an oil tank for accommodating the transformer, besides the basic winding and the iron core, so that the size of the space occupied by the transformation part is influenced by the layout of the accessories, besides the volume of the transformer. Some transformers are limited in use places, so the transformers are generally arranged indoors, and the outgoing mode is generally divided into overhead outgoing lines and cable outgoing lines. For example, conventional 120MVA-300MVA or even larger capacity transformers basically employ overhead outlets; the main transformer of the offshore wind farm mostly adopts a cable outgoing line, and a winding lead of the transformer is connected with a cable plug head. The traditional cable outlet structure generally has large transverse width and large occupied area.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for a transformer device and a power supply system with reduced lateral width and reduced floor space.
A voltage transformation apparatus, comprising: the transformer box body, the lifting seat and the cable plug head;
the transformer box body is characterized in that one surface, far away from the ground, of the transformer box body is a top surface, and the lifting seat is fixedly arranged on the top surface of the transformer box body and used for leading out a winding lead in the transformer box body;
and a winding lead in the transformer box body is connected with the cable plug head through the lifting seat, and the cable plug head is used for externally connecting an outgoing cable.
In one embodiment, the transformer box body comprises a transformer body and an oil tank, the transformer body is arranged in the oil tank, the lifting seat is fixedly arranged on one surface of the oil tank far away from the ground, and a winding lead of the transformer body is connected with the cable plug head through the lifting seat.
In one embodiment, the winding lead is a high-voltage side winding lead of the transformer body.
In one embodiment, the cable plug is used for connecting one end of the outgoing cable to face the ground.
In one embodiment, the lifting seat comprises a first part, a second part and a third part, the first part and the third part are perpendicular to the ground and are connected through the second part, the first part is fixedly arranged on the top surface of the transformer box body, and the cable plug head is arranged at one end, facing the ground, of the third part.
In one embodiment, the transformer apparatus further includes a flange, and the lifting seat is fixed to the top surface of the transformer tank through the flange.
In one embodiment, the transformer device further comprises a bracket for supporting the lifting seat.
In the transformer device, a winding lead in a transformer box body is connected with a cable plug head through a lifting seat and is connected to a wire outlet cable through the cable plug head, so that wire outlet is realized; because the lifting seat is arranged on the top surface of the transformer box body far away from the ground, and the upper part of the lifting seat is in a wire outgoing mode, at least part of the occupied area of the lifting seat is overlapped with the occupied area of the transformer box body, the transverse width size of the transformer device can be reduced, the occupied area is reduced, and the transformer device can be used in a relatively compact transformer chamber.
A power supply system comprises a generator set and the transformer device, wherein the generator set is connected with the transformer device.
In one embodiment, the generator set is an offshore wind turbine generator set, and the voltage transformation device is a voltage boosting device of an offshore voltage boosting station.
In one embodiment, the power supply system further comprises an outgoing cable connected with the voltage transformation device.
Above-mentioned power supply system has adopted aforementioned potential device, and on the same way, because the top surface that keeps away from ground at the transformer box sets up the seat that rises, adopts the mode that upper portion was qualified for the next round of competitions, can reduce potential device horizontal width size, reduce area, reduce the construction area of transformer substation, reduce construction cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions 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 block diagram of a conventional wire outlet method;
FIG. 2 is a schematic diagram of an embodiment of a transformer apparatus;
fig. 3 is a schematic structural diagram of a transformer device in another embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the present application. The first resistance and the second resistance are both resistances, but they are not the same resistance.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
As described in the background art, the cable outlet method of the transformer in the prior art has a problem of a wide lateral dimension, and the inventor finds that the problem occurs because the conventionally adopted cable outlet method is to outlet the cable from a side surface of the transformer, as shown in fig. 1, the right side of the oil tank 110 is provided with the lifting seat 120, and the cable plug head 130 is arranged on the lifting seat 120, and this method connects the cable plug head to the side surface of the transformer through the lifting seat, which increases the dimension of the whole structure in the width direction of the transformer, and has a large floor area, and is only suitable for a scene with a large width direction of the transformer. The width direction refers to the arrangement direction of the transformer and the lifting seat, and is parallel to the ground, such as the AA direction in fig. 1.
Based on this, the utility model provides a can reduce horizontal width size, reduce area's scheme.
In one embodiment, as shown in fig. 2, there is provided a transforming device comprising a transformer tank 210, a lifting seat 220 and a cable plug 230; one surface of the transformer tank 210, which is far away from the ground, is a top surface, and the lifting seat 220 is fixedly arranged on the top surface of the transformer tank 210 and used for leading out a winding lead in the transformer tank 210; the winding lead wires in the transformer tank 210 are connected to the cable plug 230 through the raised base 220, and the cable plug 230 is used for externally connecting an outgoing cable (not shown).
The transformer tank 210 has a tank structure in which a transformer body is built, and the surface of the transformer tank 210 includes a bottom surface facing the ground, a top surface opposite to the bottom surface, and side surfaces connected to the bottom surface and the top surface. The surface of the transformer tank 210 away from the ground is the top surface opposite to the bottom surface. Specifically, the transformer body comprises an iron core, a high-voltage winding and a low-voltage winding, wherein the high-voltage winding and the low-voltage winding are wound on the iron core respectively. The winding lead is a winding lead of the transformer body. The winding lead is divided into a high-voltage side winding lead and a low-voltage side winding lead, the high-voltage side winding lead is a lead connected with the high-voltage winding, and the low-voltage side winding lead is a lead connected with the low-voltage winding; the high-voltage winding is a winding on the side with higher voltage in the primary coil and the secondary coil of the transformer body, and the low-voltage winding is a winding on the side with lower voltage. The riser 220 connects the winding lead out to the cable plug 230, and the cable plug 230 connects the outgoing cable.
The elevating base 220 is located above the transformer tank 210. Specifically, the projection of the lifting seat 220 on the plane parallel to the ground partially overlaps or completely overlaps the projection of the top surface of the transformer tank 210 on the ground, so that the floor area of the lifting seat 220 partially overlaps or completely overlaps the floor area of the transformer tank 210, and the dimension of the lifting seat 220 in the width direction only partially widens the width of the transformer device, or does not widen the width of the transformer device. Specifically, if all of the raised bases are overlapped, all of the structures of the raised bases 220 are located within the outline covered by the top surface of the transformer tank 210, that is, the occupied area of the raised bases 220 is located within the occupied area of the transformer tank 210, and the whole width of the transformer device is not widened; if the parts are overlapped, part of the structure of the lifting seat 220 is located within the outline covered by the top surface of the transformer tank 210, that is, the occupied area of the lifting seat 220 is partially located within the occupied area of the transformer tank 210, and the whole width of the transformer device is locally widened. Thus, by partially or completely overlapping, the overall width dimension of the transformer apparatus can be reduced, and the footprint can be reduced, compared to the case 210 in which the raised base 220 is provided on the side surface of the case 210 so that the entire structure of the raised base 220 is exposed to the outside of the case 210.
In the transformer device, a winding lead in the transformer box 210 is connected with the cable plug 230 through the lifting seat 220 and is connected to a wire outlet cable through the cable plug 230, so that wire outlet is realized; because the lifting seat 220 is arranged on the top surface of the transformer box body 210 far away from the ground, and the upper part is adopted for wire outgoing, at least part of the occupied area of the lifting seat 220 is overlapped with the occupied area of the transformer box body 210, the transverse width size of the transformer device can be reduced, the occupied area is reduced, and the transformer device can be used for a relatively compact transformer chamber.
The transformer device can be applied to places with limited transverse width dimension, such as places with limited offshore wind power platforms, the transformer device is applied to an offshore wind power generation system, the transformer device can be placed in a relatively compact transformer room, and the occupied area is small.
In one embodiment, the transformer tank 210 includes a transformer body (not shown) and an oil tank, the transformer body is disposed in the oil tank, the lifting seat 220 is fixedly disposed on a surface of the oil tank away from the ground, and the winding lead of the transformer body is connected to the cable plug 230 through the lifting seat 220.
The surface of the oil tank, which is the surface of the transformer tank 210, includes a bottom surface facing the ground, a top surface opposite to the bottom surface, and side surfaces connected to the bottom surface and the top surface; specifically, the rising seat 220 is fixedly provided to the top surface of the oil tank. The transformer body comprises an iron core, a high-voltage winding and a low-voltage winding, wherein the high-voltage winding and the low-voltage winding are wound on the iron core; the high-voltage side winding lead is connected with the high-voltage winding, and the low-voltage side winding lead is connected with the low-voltage winding. Specifically, transformer oil is filled in the oil tank, so that the iron core, the high-voltage winding and the low-voltage winding are immersed in the transformer oil, and the transformer oil plays roles in insulation and heat dissipation. The transformer body is placed in the oil tank, so that insulation and heat dissipation are facilitated, and the work of the transformer body is protected.
In one embodiment, the winding lead is a high-voltage side winding lead of the transformer body. That is, the high-voltage side winding lead wire to which the high-voltage winding of the transformer body is connected to the cable plug 230 through the rising seat 220 of the tank top surface. Specifically, the elevated seat 220 is an elevated seat on the high-voltage side, and the cable plug 230 is a cable plug on the high-voltage side. Therefore, for the high-voltage side of the transformer body, an upper wire outlet mode is adopted, the transverse width size is reduced, and the occupied area is reduced.
It can be understood that the low-voltage side of the transformer body may also adopt an upper wire outgoing manner, for example, the transformation device may further include a raising seat of the low-voltage side and a cable plug head of the low-voltage side, the raising seat of the low-voltage side is also disposed on the top surface of the oil tank, and the low-voltage side winding lead of the transformer body is connected to the cable plug head of the low-voltage side through the raising seat of the low-voltage side.
In one embodiment, the cable plug 230 is used to connect one end of the outgoing cable towards the ground. Because the cable plug 230 is connected the one end of being qualified for the next round of competitions the cable and is faced ground, so the cable of being qualified for the next round of competitions can directly walk ground arrangement after the access, does not need the wire winding, and the wiring is convenient.
In one embodiment, as shown in fig. 3, the lifting base 220 includes a first part 221, a second part 222, and a third part 223, the first part 221 and the third part 223 are perpendicular to the ground and are connected through the second part 222, the first part 221 is fixedly disposed on the top surface of the transformer tank 210, and the cable plug 230 is disposed at one end of the third part 223 facing the ground.
The first 221 and third 223 members each include a bottom end facing the ground and a top end facing away from the ground. The second member 222 may be perpendicular to the first member 221 and the third member 223, or may not be perpendicular to the first member 221 and the third member 223. The first 221 and third 223 sections may be highly flush, i.e., top flush; the second member 222 may be positioned at the top ends of the first member 221 and the third member 223 so that the elevating seat 220 has a door frame shape; the second member 222 may also be located at the middle end of the first member 221 and the third member 223, so that the elevated block 220 may have an H-shape. By providing the cable plug 230 at the end of the third part 223 facing the ground, such that the cable plug 230 is disposed facing the ground, it is convenient to arrange that the end of the cable plug 230 connected to the outgoing cable faces the ground.
Specifically, the first member 221, the second member 222, and the third member 223 may be integrally formed, and manufacturing is simple.
In one embodiment, the transformer apparatus further includes a flange (not shown), and the lifting seat 220 is fixed to the top surface of the transformer tank 210 through the flange. The raised seat 220 is connected to the transformer tank 210 by a flange, and the connection is stable.
In one embodiment, as shown in fig. 3, the transformer apparatus further includes a support 240 for supporting the lifting seat 220. That is, the elevation seat 220 is caught on the supporter 240. The mounting stability of the lift seat 220 can be further improved by using the bracket 240 for support. Specifically, the cable plug 230 may also be supported by the bracket and may be draped over the bracket 240.
In one embodiment, a power supply system is provided, which comprises a generator set and the transformer device, wherein the generator set is connected with the transformer device. The voltage output by the generator set is output after being transformed by the transformer device.
The transformer device comprises a transformer box body 210, a lifting seat 220 and a cable plug-in head 230; the lifting seat 220 is fixedly arranged on the top surface of the transformer tank 210 and is used for leading out a winding lead in the transformer tank 210; the winding leads in the transformer tank 210 are connected to the cable plug 230 through the raised sockets 220. Specifically, the genset is connected to transformer tank 210.
Specifically, the transformer tank 210 includes a transformer body (not shown) and an oil tank, the transformer body is disposed in the oil tank, the lifting seat 220 is fixedly disposed on a surface of the oil tank away from the ground, and a winding lead of the transformer body is connected to the cable plug 230 through the lifting seat 220.
Specifically, the winding lead is a high-voltage side winding lead of the transformer body. The high-voltage side winding lead wire to which the high-voltage winding of the transformer body is connected to the cable plug 230 through the rising seat 220 of the top surface of the oil tank.
Specifically, the cable plug 230 is used to connect one end of the outgoing cable to face the ground. Further, the lifting seat 220 includes a first part 221, a second part 222 and a third part 223, the first part 221 and the third part 223 are perpendicular to the ground and are connected through the second part 222, the first part 221 is fixedly disposed on the top surface of the transformer tank 210, and the cable plug 230 is disposed at one end of the third part 223 facing the ground.
Specifically, the transforming apparatus further includes a flange, and the elevating base 220 is fixed to the top surface of the transformer tank 210 by the flange. Further, the transforming device further comprises a bracket 240 for supporting the elevating base 220.
Above-mentioned power supply system, owing to adopted aforementioned potential device, on the same way, owing to set up the seat 220 that rises at the top surface that transformer box 210 kept away from ground, adopt the mode that upper portion was qualified for the next round of competitions to the at least partial area of seat 220 that rises overlaps with transformer box 210's area, can reduce the horizontal width size of potential device, reduce area, reduces the construction area of transformer substation, reduces construction cost.
The power supply system may be an offshore wind power generation system. In one embodiment, the power generating unit is an offshore wind power generating unit, and the voltage transformation device is a voltage boosting device of an offshore voltage boosting station. The transformer device is applied to the offshore wind power generation system, the transformer device can be placed in a relatively compact transformer room, the occupied area is small, the problem that the transformer device of the existing offshore wind power generation system occupies a large area in indoor arrangement is solved, the construction area of an offshore platform is reduced, and the construction cost is reduced.
In one embodiment, the power supply system further comprises an outlet cable connected to the cable plug. The outgoing cable is connected with the winding lead through the cable plug head to realize outgoing.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A voltage transformation device, comprising: the transformer box body, the lifting seat and the cable plug head;
the transformer box body is characterized in that one surface, far away from the ground, of the transformer box body is a top surface, and the lifting seat is fixedly arranged on the top surface of the transformer box body and used for leading out a winding lead in the transformer box body;
and a winding lead in the transformer box body is connected with the cable plug head through the lifting seat, and the cable plug head is used for externally connecting an outgoing cable.
2. The transformation device according to claim 1, wherein the transformer tank comprises a transformer body and an oil tank, the transformer body is disposed in the oil tank, the lifting seat is fixedly disposed on a surface of the oil tank away from the ground, and a winding lead of the transformer body is connected to the cable plug through the lifting seat.
3. The transformation device according to claim 2, wherein the winding lead is a high-voltage side winding lead of the transformer body.
4. The transformation device as claimed in claim 1, wherein the cable plug is used to connect one end of the outgoing cable to the ground.
5. The transformation device according to claim 4, wherein the lifting seat comprises a first member, a second member and a third member, the first member and the third member are perpendicular to the ground and are connected through the second member, the first member is fixedly arranged on the top surface of the transformer tank, and the cable plug is arranged at one end of the third member facing the ground.
6. The transformation device according to claim 1, further comprising a flange, wherein the lifting seat is fixed to a top surface of the transformer tank by the flange.
7. The transformation device according to claim 1, further comprising a bracket for supporting the elevated seat.
8. A power supply system comprising a power generating unit and a voltage transformation device according to any one of claims 1 to 7, the power generating unit being connected to the voltage transformation device.
9. The power supply system of claim 8, wherein the power generating unit is an offshore wind power generating unit and the voltage boosting device is a voltage boosting device of an offshore booster station.
10. The power supply system of claim 8, further comprising an outgoing cable connected to the voltage transformation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616144.7U CN213400772U (en) | 2020-08-06 | 2020-08-06 | Transformer device and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616144.7U CN213400772U (en) | 2020-08-06 | 2020-08-06 | Transformer device and power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213400772U true CN213400772U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021616144.7U Active CN213400772U (en) | 2020-08-06 | 2020-08-06 | Transformer device and power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213400772U (en) |
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2020
- 2020-08-06 CN CN202021616144.7U patent/CN213400772U/en active Active
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