CN208478113U - A kind of Multifunction transformer of the double pressure regulation of double high pressures - Google Patents
A kind of Multifunction transformer of the double pressure regulation of double high pressures Download PDFInfo
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- CN208478113U CN208478113U CN201820999619.1U CN201820999619U CN208478113U CN 208478113 U CN208478113 U CN 208478113U CN 201820999619 U CN201820999619 U CN 201820999619U CN 208478113 U CN208478113 U CN 208478113U
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Abstract
The utility model relates to a kind of Multifunction transformers of the double pressure regulation of double high pressures on each core limb, to be cased with low-voltage coil, I coil of high pressure, II coil of high pressure and voltage regulation coil respectively from inside to outside using three-phase three-column iron core；Its I coil of mesohigh connects 1 contact of off circuit tap changer, and II coil of high pressure connects 2 contacts of off circuit tap changer, and I coil of high pressure is connected or disconnected by off circuit tap changer with II coil of high pressure；I coil of high pressure connects 3 contacts of off circuit tap changer with the public end of II coil of high pressure, and connects load ratio bridging switch, and voltage regulation coil is connected to load ratio bridging switch by pressure regulation lead.The utility model can realize the voltage of the double range of regulation of double high pressures, and economic cost is low, light-weight, small in size, can both meet the voltage output of the double range of regulation of double high pressures, while meet technical parameter, cost-effectiveness requirement, transport and the requirement of basic load-bearing of transformer.
Description
Technical field
The utility model relates to transformer manufacturing field, the multi-functional transformation of the double pressure regulation of specifically a kind of double high pressures
Device.
Background technique
This kind of transformer, which mostly becomes as replacement, to be used, and original space and basic load-bearing are all restricted.According to conventional structure,
The transformer of double high tension voltages, double range of regulation, needs two sets of independent high-tension coils and voltage regulation coil, and high-pressure side needs six
Bushing is drawn, and structure is complicated, and volume is big, weight is big, at high cost.In order to meet economy, transport and field basic simultaneously
The requirement of load-bearing needs to realize the change of voltage and range of regulation using special structure.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of Multifunction transformer of double pressure regulation of double high pressures, realizes
The voltage of the double range of regulation of double high pressures.
The utility model technical solution used for the above purpose is:
A kind of Multifunction transformer of the double pressure regulation of double high pressures, using three-phase three-column iron core, on each core limb, from inside to outside
It is cased with low-voltage coil, I coil of high pressure, II coil of high pressure and voltage regulation coil respectively；Wherein
I coil of high pressure connects the first contact of off circuit tap changer, and II coil of high pressure connects off circuit tap changer
Second contact, I coil of high pressure are connected or are disconnected by off circuit tap changer with II coil of high pressure；I coil of high pressure and height
It presses the public end of II coil to connect the third contact of off circuit tap changer, and connects load ratio bridging switch, voltage regulation coil passes through
Pressure regulation lead is connected to load ratio bridging switch.
I coil of high pressure be it is left around to, II coil of high pressure be it is left around to.
The lifting one's head of I coil of high pressure, lifting one's head for II coil of high pressure is drawn by common bushing.
I coil of high pressure and II coil of high pressure share a voltage regulation coil.
The voltage regulation coil include it is several lift one's head, it is real by selecting lifting one's head for different number to be connected to load ratio bridging switch
Existing range of regulation is adjusted.
It is described lift one's head to lift one's head including top lift one's head with lower part, top, which lifts one's head to lift one's head with lower part, to be connected respectively to loaded tap-off and opens
It closes.
It is described it is several lift one's head to lift one's head including 9 lift one's head with 6, double high pressures choose 220kV or 150kV, and number of lifting one's head is 9
When, range of regulation is (220kV-9 × 1.1%kV)~(220kV+9 × 1.1%kV), when number of lifting one's head is 6, (150kV-6
× 1.67%kV)~(150kV+6 × 1.67%kV).
The bushing is chosen by 220kV grade.
The utility model has the advantages that and advantage:
1. the utility model realizes double high pressures by two high-tension coil series connection, and shares a voltage regulation coil, realize double
Range of regulation meets the voltage output of the double range of regulation of double high pressures simultaneously.
2. off circuit tap changer selects 3 switch contacts, 1 contact connects I coil of high pressure, and 2 contacts connect II coil of high pressure, 3 touchings
Head connects I coil of high pressure and the public end of II coil of high pressure and connects load ratio bridging switch.High pressure is realized using off circuit tap changer
Two coil series connection and disconnection, to realize the voltage of the double range of regulation of double high pressures.
3. the casing of the utility model high-pressure side three is drawn, bushing is chosen by voltage levels, covers lower voltage
The high-pressure side casing of grade.
4. load ratio bridging switch is chosen by ± 9 grades of switches, load ratio bridging switch electric operating, off circuit tap changer is manual
Operation.
5. the research and development success of the utility model, has biggish breakthrough, while meeting transformer in the design of transformer
Technical parameter, cost-effectiveness requirement, transport and basic load-bearing, meet the requirement of user to greatest extent.
Detailed description of the invention
Fig. 1 is the utility model transformer connection schematic diagram.
Fig. 2 is the utility model transformer switch elementary diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
A kind of Multifunction transformer of the double range of regulation of double high pressures of the utility model, fuel tank is interior to be arranged three-phase three-column iron core knot
Structure on each core limb, is respectively installed with low-voltage coil, I coil of high pressure, II coil of high pressure and voltage regulation coil from inside to outside.
I coil of high pressure be it is left around to, II coil of high pressure be it is left around to.
As shown in Figure 1, I coil Xk ' connection off circuit tap changer of high pressure, 1 contact, II loop A of high pressure ' it connects without excitation
2 contact of tap switch, I coil of high pressure are connected and are disconnected by off circuit tap changer realization with II coil of high pressure.I coil of high pressure
3 contact of off circuit tap changer is connected with the public end Xk of II coil of high pressure, and connects load ratio bridging switch range switch and realizes just
Demodulate pressure.Voltage regulation coil is that I coil of high pressure and II coil of high pressure share.
I winding protruding head A of high pressure, II winding protruding head A ' of high pressure are drawn in upper end by three shared bushings.High pressure
Casing is chosen by 220kV grade, covers 150kV grade.
As shown in Fig. 2, I coil of high pressure and II coil of high pressure share a voltage regulation coil, because range of regulation is different, respectively
± 9 × 1.1% and ± 6 × 1.67%, voltage regulation coil is by ± 9 × 1.1% design.Voltage regulation coil top draws 1~9 and lifts one's head, under
Portion, which is drawn, 1 '~9 ' to lift one's head, in ± 9 × 1.1% range of regulation, it is all lift one's head participate in pressure regulation.Switch to ± 6 × 1.67% tune
When pressing range, voltage regulation coil top, which is lifted one's head, 1~6 lifts one's head with lower part and 1 '~6 ' lifts one's head and participate in pressure regulation.By pressure regulation lead by pressure regulation
Winding protruding head is connected to load ratio bridging switch.The double range of regulation of double high pressures are respectively 220 ± 9 × 1.1%kV, 150 ± 6 ×
1.67%kV.
Load ratio bridging switch is chosen by ± 9 grades of switches, covers ± 6 grades of pressure regulation, load ratio bridging switch electric operating, according to electricity
Net voltage fluctuation carries out pressure regulation automatically.III 600Y-123C-10191W of load ratio bridging switch model M.Off circuit tap changer is made
It for switching switch, is switched over according to the needs of high tension voltage, for manual operation.Off circuit tap changer model WSL VI-
600-170-3×2。
The utility model by using biswitch, load ratio bridging switch and off circuit tap changer, using I coil of high pressure with
Double high pressures are realized in the series connection of II coil of high pressure, and share a voltage regulation coil, realize double range of regulation.The research and development of the utility model at
Function has biggish breakthrough in the design of transformer, at the same meet the technical parameter of transformer, cost-effectiveness requirement, transport and
Basic load-bearing meets the requirement of user to greatest extent.
Claims (8)
1. the Multifunction transformer of the double pressure regulation of a kind of double high pressures, using three-phase three-column iron core, it is characterised in that: each core limb
On, it is cased with low-voltage coil, I coil of high pressure, II coil of high pressure and voltage regulation coil respectively from inside to outside；Wherein
I coil of high pressure connects 1 contact of off circuit tap changer, and II coil of high pressure connects 2 contacts of off circuit tap changer, high
I coil is pressed to be connected or disconnected by off circuit tap changer with II coil of high pressure；The public affairs of II coil of I coil of high pressure and high pressure
3 contacts of off circuit tap changer are connected with end, and connect load ratio bridging switch, and voltage regulation coil has been connected to by pressure regulation lead
On-load shunting switch.
2. the Multifunction transformer of the double pressure regulation of double high pressures according to claim 1, it is characterised in that: I coil of high pressure
For a left side around to, II coil of high pressure be it is left around to.
3. the Multifunction transformer of the double pressure regulation of double high pressures according to claim 1, it is characterised in that: I coil of high pressure
Lift one's head, lifting one's head for II coil of high pressure is drawn by common bushing.
4. the Multifunction transformer of the double pressure regulation of double high pressures according to claim 1, it is characterised in that: I coil of high pressure
A voltage regulation coil is shared with II coil of high pressure.
5. the Multifunction transformer of the double pressure regulation of double high pressures according to claim 1 or 4, it is characterised in that: the line pressure regulator
Circle is lifted one's head including several, by selecting lifting one's head for different number to be connected to load ratio bridging switch, realizes that range of regulation is adjusted.
6. the Multifunction transformer of the double pressure regulation of double high pressures according to claim 5, it is characterised in that: described to lift one's head including upper
Portion lifts one's head to lift one's head with lower part, and top, which lifts one's head to lift one's head with lower part, is connected respectively to load ratio bridging switch.
7. the Multifunction transformer of the double pressure regulation of double high pressures according to claim 5, it is characterised in that: double high pressures are chosen
220kV or 150kV, range of regulation are respectively (220 ± 9 × 1.1%) kV and (150 ± 6 × 1.67%) kV.
8. the Multifunction transformer of the double pressure regulation of double high pressures according to claim 3, it is characterised in that: the bushing is pressed
220kV grade is chosen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820999619.1U CN208478113U (en) | 2018-06-27 | 2018-06-27 | A kind of Multifunction transformer of the double pressure regulation of double high pressures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820999619.1U CN208478113U (en) | 2018-06-27 | 2018-06-27 | A kind of Multifunction transformer of the double pressure regulation of double high pressures |
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| Publication Number | Publication Date |
|---|---|
| CN208478113U true CN208478113U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820999619.1U Active CN208478113U (en) | 2018-06-27 | 2018-06-27 | A kind of Multifunction transformer of the double pressure regulation of double high pressures |
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| CN (1) | CN208478113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379610A (en) * | 2019-08-19 | 2019-10-25 | 辽宁易发式电气设备有限公司 | Single-phase double-voltage self coupling phase shifting transformer |
| CN112992497A (en) * | 2021-03-22 | 2021-06-18 | 保定天威保变电气股份有限公司 | Fixed connection type tapping winding for adjustable reactor |
| CN113161132A (en) * | 2021-03-11 | 2021-07-23 | 云南电网有限责任公司电力科学研究院 | Combined winding transformer, adjusting method and data relation analysis method |
-
2018
- 2018-06-27 CN CN201820999619.1U patent/CN208478113U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379610A (en) * | 2019-08-19 | 2019-10-25 | 辽宁易发式电气设备有限公司 | Single-phase double-voltage self coupling phase shifting transformer |
| CN113161132A (en) * | 2021-03-11 | 2021-07-23 | 云南电网有限责任公司电力科学研究院 | Combined winding transformer, adjusting method and data relation analysis method |
| CN112992497A (en) * | 2021-03-22 | 2021-06-18 | 保定天威保变电气股份有限公司 | Fixed connection type tapping winding for adjustable reactor |
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