CN206564172U - Multipurpose three-phase transformer - Google Patents
Multipurpose three-phase transformer Download PDFInfo
- Publication number
- CN206564172U CN206564172U CN201720209915.2U CN201720209915U CN206564172U CN 206564172 U CN206564172 U CN 206564172U CN 201720209915 U CN201720209915 U CN 201720209915U CN 206564172 U CN206564172 U CN 206564172U
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- China
- Prior art keywords
- phase
- fuel tank
- winding
- multipurpose
- oil
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- Expired - Fee Related
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Abstract
The utility model is related to transformer, can not separately adjustable problem to solve existing three-phase transformer three-phase output voltage, the utility model constructs a kind of multipurpose three-phase transformer, three single-phase potential devices in same oil tank of transformer, it is connected after the star-like connection of first winding or angle-style connection of single-phase potential device described in three with three-phase high-voltage binding post, the secondary winding of single-phase potential device described in three is connected with low-voltage wiring terminal, and individually load tap changer is respectively connected with each first winding；The oil conservater connected with fuel tank is installed in top of oil-tank, the oil-water cooler being connected with fuel tank is provided with fuel tank side.In the utility model three-phase transformer per mutually can independent pressure regulation export the transmission voltages mutually different from other, the power supply of different voltages is realized, different voltage needs for electricity are met, three single phase change devices are in same fuel tank, manufacturing cost is reduced, and reduces floor space.
Description
Technical field
The utility model is related to a kind of transformer, more specifically to a kind of multipurpose three-phase transformer.
Background technology
All it is three-phase electricity mostly in existing commercial power, factory is equipped with three-phase transformer for this, and is equipped with a three-phase
Switch, adjusts transformer output voltage, and the voltage of the three-phase output of this transformer is identical.But in smelting process, exist not
With the demand of power voltage supply, above-mentioned three-phase transformer can only at a time export a kind of voltage, meet a kind of demand.Factory is
Different transmission of electricity demands are met, are equipped with many independent transformers to meet different transmission of electricity demands.But many are equipped with simultaneously
Independent transformer, cost is high, and many independent transformers occupy larger place.
Utility model content
The technical problems to be solved in the utility model is that existing three-phase transformer three-phase output voltage separately adjustable can not be asked
Topic can multipurpose three-phase transformer that is separately adjustable, realizing different voltage outputs there is provided a kind of three-phase output voltage.
The utility model is to realize that the technical scheme of its purpose is such：A kind of multipurpose three-phase transformer is constructed, its
Three single-phase potential devices for including being arranged in same oil tank of transformer are characterised by, the single-phase potential device described in three
It is connected after the star-like connection of first winding or angle-style connection with three-phase high-voltage binding post, two of the single-phase potential device described in three
Secondary winding is connected with low-voltage wiring terminal, and individually load tap changer is respectively connected with each first winding；In top of oil-tank
The oil conservater connected with fuel tank is installed, the oil-water cooler being connected with fuel tank is provided with fuel tank side.
Further, the first winding and secondary winding of three single-phase potential devices are each via outside lead and fuel tank
Each self-corresponding binding post connection in portion.The first winding of three single-phase potential devices can connect into star-like company in fuel tank
Connect or angle-style connection after be connected again with outside binding post, lead and each self-corresponding wiring in fuel tank outside can also be first passed through
Terminal is connected, then according to produce reality need again outside fuel tank by wire by the first winding of three single-phase potential devices
Connect into star-like connection or angle-style connection.Secondary winding is then each via each self-corresponding binding post outside lead and fuel tank
Connection, then is needing again to connect the secondary winding of three single-phase potential devices by wire outside fuel tank according to produce reality
It is connected into star-like connection or angle-style connection.
Further, the secondary winding of each single-phase potential device includes at least two low-voltage coils in parallel.
The connected mode of the secondary winding of further three single-phase potential devices is star-like connection or angle-style connection.
In above-mentioned multipurpose three-phase transformer, the first winding of three single-phase potential devices is corresponding with secondary winding to be set
Put on three single-column iron cores.Or the first winding and secondary winding of three single-phase potential devices are arranged on three posts
On iron core, the three-limb core is by three iron core columns, the iron core upper yoke positioned at iron core column upper end, the iron core positioned at iron core column lower end
Lower yoke piece into.
Compared with prior art, every phase in the utility model three-phase transformer can independent pressure regulation for the utility model
The output transmission voltage mutually different from other, realizes the power supply of different voltages, meets different voltage needs for electricity, three single-phase changes
Device is in same fuel tank, reduces manufacturing cost, and reduce floor space.
Brief description of the drawings
Fig. 1 is the side structure schematic view of the utility model multipurpose three-phase transformer.
Fig. 2 is the overlooking the structure diagram of the utility model multipurpose three-phase transformer.
Fig. 3 is the electrical schematic diagram of the utility model multipurpose three-phase transformer.
Parts title and sequence number in figure：
Fuel tank 1, single-phase potential device 2, load tap changer 21, high-tension coil 22, high-voltage connection 221, low-voltage coil 23,
Low-voltage lead 231, oil conservater 3, oil-water cooler 4.
Embodiment
Illustrate specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, multipurpose three-phase transformer in the present embodiment, including fuel tank, top of oil-tank be provided with
The oil conservater of fuel tank connection, the oil-water cooler being connected with fuel tank is provided with fuel tank side.Be provided with fuel tank three it is single-phase
Potential device, is connected after three single-phase potential device first winding angle-style connections through three-phase high-voltage lead with high-voltage connection terminal
（The A ends of the first winding of three single-phase potential devices are connected with Y ends, B ends are connected with Z ends, C-terminal and X ends are connected）, once around
Group is high-tension coil, is respectively connected with individually load tap changer in each first winding, three single-phase potential devices it is secondary
Parallel-connection structure is formed after the star-like connection of winding, and is connected through low-voltage lead with low-voltage wiring terminal, secondary winding is low-voltage coil.
As shown in figure 3, the secondary winding of each single-phase potential device includes eight low-voltage coils in parallel.
In the present embodiment, the first winding and secondary winding of three single-phase potential devices can be separately positioned on three lists
On column iron core.It can also be arranged on a three-limb core, the three-limb core is by three iron core columns, the iron positioned at iron core column upper end
Core upper yoke, under the iron core of iron core column lower end yoke piece into.
In the present embodiment, the first winding of three single-phase potential devices can also be can also be star-like as needed
Connection（Neutral point, tri- ends of A, B, C will be turned into after tri- terminal connections of X, Y, Z of the first winding of three single-phase potential devices
Son is electrically connected with high pressure three-phase）.Equally, the secondary winding of each single-phase potential device can also select angle-style to connect as needed
Mode.
Every phase in three-phase transformer in the present embodiment can the independent pressure regulation output transmissions of electricity electricity mutually different from other
Pressure, realizes the power supply of different voltages, meets different voltage needs for electricity, and three single phase change devices are in same fuel tank, drop
Low manufacturing cost, and reduce floor space.
Claims (6)
1. a kind of multipurpose three-phase transformer, it is characterised in that including three single-phase transformations in same oil tank of transformer
Device, connects after the star-like connection of first winding or angle-style connection of the single-phase potential device described in three with three-phase high-voltage binding post
Connect, the secondary winding of the single-phase potential device described in three is connected with low-voltage wiring terminal, is respectively connected with each first winding
Individually load tap changer；The oil conservater connected with fuel tank is installed in top of oil-tank, is provided with and connects with fuel tank in fuel tank side
The oil-water cooler connect.
2. multipurpose three-phase transformer according to claim 1, it is characterised in that the one of three single-phase potential devices
Secondary winding and secondary winding are connected each via lead with each self-corresponding binding post outside fuel tank.
3. multipurpose three-phase transformer according to claim 2, it is characterised in that each single-phase potential device it is secondary around
Group includes at least two low-voltage coils in parallel.
4. multipurpose three-phase transformer according to claim 3, it is characterised in that the two of three single-phase potential devices
Secondary winding connects into star-like connection by the binding post outside fuel tank or angle-style is connected.
5. the multipurpose three-phase transformer according to any one of claim 1-4, it is characterised in that three single-phase changes
The first winding and secondary winding of pressure device are correspondingly arranged on three single-column iron cores.
6. the multipurpose three-phase transformer according to any one of claim 1-4, it is characterised in that three single-phase changes
The first winding and secondary winding of pressure device are arranged on a three-limb core, the three-limb core by three iron core columns, be located at
The iron core upper yoke of iron core column upper end, under the iron core of iron core column lower end yoke piece into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720209915.2U CN206564172U (en) | 2017-03-06 | 2017-03-06 | Multipurpose three-phase transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720209915.2U CN206564172U (en) | 2017-03-06 | 2017-03-06 | Multipurpose three-phase transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206564172U true CN206564172U (en) | 2017-10-17 |
Family
ID=60032108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720209915.2U Expired - Fee Related CN206564172U (en) | 2017-03-06 | 2017-03-06 | Multipurpose three-phase transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206564172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197759A (en) * | 2018-02-26 | 2019-09-03 | 西门子公司 | Transformer, three-phase transformer and its mode of connection |
| CN114156070A (en) * | 2021-12-30 | 2022-03-08 | 济南清河电气有限公司 | Oil-immersed transformer |
-
2017
- 2017-03-06 CN CN201720209915.2U patent/CN206564172U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197759A (en) * | 2018-02-26 | 2019-09-03 | 西门子公司 | Transformer, three-phase transformer and its mode of connection |
| CN114156070A (en) * | 2021-12-30 | 2022-03-08 | 济南清河电气有限公司 | Oil-immersed transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20180306 |