CN220651807U - Output voltage adjusting structure of oil immersed transformer - Google Patents
Output voltage adjusting structure of oil immersed transformer Download PDFInfo
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- CN220651807U CN220651807U CN202320450402.6U CN202320450402U CN220651807U CN 220651807 U CN220651807 U CN 220651807U CN 202320450402 U CN202320450402 U CN 202320450402U CN 220651807 U CN220651807 U CN 220651807U
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 230000005284 excitation Effects 0.000 claims abstract description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to the technical field of oil immersed transformers, in particular to an output voltage regulating structure of an oil immersed transformer, which comprises an oil tank, wherein a high-voltage sleeve and a low-voltage sleeve are arranged on the oil tank, a non-excitation voltage regulating switch which is regulated according to on-site electric wave motion is further arranged on the oil tank, and the oil tank further comprises a change-over switch which is provided with a first contact corresponding to high rated voltage and a second contact corresponding to low rated voltage; through addding change over switch, connect the switching between first contact and second contact, alright realize switching over smoothly between high rated voltage and the low rated voltage, no longer need dispose two transformers simultaneously, under the prerequisite that satisfies the user demand, the technical problem that the cost is high, the installation space demand is big and wiring technology is complicated when having solved among the prior art adjustment power consumption voltage.
Description
Technical Field
The utility model relates to the technical field of oil immersed transformers, in particular to an output voltage adjusting structure of an oil immersed transformer.
Background
A Transformer (Transformer) is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like, in the circuit conveying process, the transformer is equipment for converting high voltage in a conveying line into needed voltage, is important power equipment, and heat can be generated when current passes through a coil in the working process of the transformer, so that the temperature needs to be reduced, and oil in the oil-immersed transformer can be cooled.
The oil immersed transformer comprises an oil tank, wherein three high-voltage bushings are arranged on a tank cover of the oil tank, are A, B, C phases respectively, four low-voltage bushings are also arranged, are 0, a, b and c phases respectively, and in addition, the oil tank is provided with an excitation-free voltage regulating switch which can be regulated according to on-site electric wave movement and is provided with 3 contacts, wherein the contact point 2 is a rated gear, the contact point 3 is 0.95 of the rated gear, and the contact point 1 is 1.05 of the rated gear; finally, the case cover is also provided with a mercury thermometer base for facilitating temperature measurement and an oil level gauge for judging whether the oil quantity in the transformer is changed or not at the outside.
When the oil immersed transformer is used, the voltage sometimes needs to be regulated according to the special electricity requirement of a customer, the existing means is to configure a plurality of transformers, for example, the electricity requirement of the customer is 10 kilovolts and 6 kilovolts, two transformers are configured on the use site, one high-voltage rated voltage is 10 kilovolts, and the other high-voltage rated voltage is 6 kilovolts, and although the use requirement can be met, the problems of high use cost of the customer, large installation space requirement and complicated wiring process are caused.
Disclosure of Invention
The utility model provides an output voltage regulating structure of an oil immersed transformer, which aims to solve the technical problems of high cost, large installation space requirement and complicated wiring process when regulating the power consumption voltage in the prior art.
In order to solve the problems, the output voltage adjusting structure of the oil immersed transformer provided by the utility model adopts the following technical scheme:
the utility model provides an output voltage regulation structure of oil immersed transformer, includes the oil tank, has arranged high-voltage sleeve pipe and low-voltage sleeve pipe on the oil tank, still has the no excitation voltage regulating switch that adjusts according to on-the-spot electric wave moves, still includes:
a transfer switch having a first contact corresponding to a high rated voltage and a second contact corresponding to a low rated voltage.
Further, the transfer switch is a Y, D transfer switch that includes a Y-terminal for correspondingly contacting the first contact and a D-terminal for correspondingly contacting the second contact.
Further, the high rated voltage corresponding to the first contact is 10 kv, and the low rated voltage corresponding to the second contact is 6 kv.
Further, the non-excitation voltage regulating switch is provided with a 1 contact, a 2 contact and a 3 contact, wherein the 2 contact corresponds to rated gear voltage, the 1 contact corresponds to rated gear voltage 1.05, and the 3 contact corresponds to rated gear 0.95.
Further, the rated voltage is 10 kilovolts corresponding to the first contact.
Further, a mercury thermometer base is arranged on the box cover.
Further, the tank cover is provided with an oil level gauge for judging whether the oil amount in the transformer is changed or not on the outside.
The output voltage adjusting structure of the oil immersed transformer provided by the utility model has the beneficial effects that: through addding change over switch, connect the switching between first contact and second contact, alright realize switching over smoothly between high rated voltage and the low rated voltage, no longer need dispose two transformers simultaneously, under the prerequisite that satisfies the user demand, the technical problem that the cost is high, the installation space demand is big and wiring technology is complicated when having solved among the prior art adjustment power consumption voltage.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
fig. 1 is a schematic structural diagram of an output voltage adjusting structure of an oil immersed transformer provided by the utility model;
fig. 2 is a circuit diagram of an output voltage adjusting structure of an oil immersed transformer provided by the utility model.
Reference numerals illustrate:
1. an oil tank; 2. a high voltage bushing; 3. a low voltage bushing; 4. no excitation voltage regulating switch; 5. y, D transfer switch; 6. a mercury thermometer base.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, the main conception of the application is to add the change-over switch to realize the smooth switching between the high rated voltage and the low rated voltage, and two transformers are not needed to be configured at the same time, so as to solve the technical problems of high cost, large installation space requirement and complicated wiring process when adjusting the power consumption voltage in the prior art.
Having described the basic principles of the present utility model, various non-limiting embodiments of the utility model are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
The embodiment 1 of the output voltage adjusting structure of the oil immersed transformer provided by the utility model comprises the following components:
as shown in fig. 1 and 2, an output voltage adjusting structure of an oil immersed transformer comprises an oil tank 1, a high-voltage sleeve 2 and a low-voltage sleeve 3 are arranged on the oil tank 1, the number of the high-voltage sleeves 2 is three, A, B, C phases are respectively arranged, the number of the low-voltage sleeves 3 is four, 0, a, b and c phases are respectively arranged, and a non-excitation voltage regulating switch 4 which is adjusted according to on-site electric wave motion is further arranged.
As an improvement bright spot, a change-over switch is added to the oil tank 1, which has a first contact corresponding to a high rated voltage and a second contact corresponding to a low rated voltage. Specifically, the change-over switch is Y, D change-over switch 5, which includes a Y-terminal for correspondingly contacting the first contact and a D-terminal for correspondingly contacting the second contact.
In this embodiment, the high rated voltage corresponding to the first contact is 10 kv and the low rated voltage corresponding to the second contact is 6 kv.
The non-excitation voltage regulating switch 4 comprises a contact 1, a contact 2 and a contact 3, wherein the contact 2 corresponds to rated gear voltage, the contact 1 corresponds to rated gear voltage 1.05, and the contact 3 corresponds to rated gear 0.95. The rated voltage of the non-excited voltage regulating switch 4 is 10 kilovolts corresponding to the first contact.
The cover is also provided with a mercury thermometer base 6 and an oil level gauge for determining whether the oil amount in the transformer is changed or not externally.
The working principle of the output voltage regulating structure of the oil immersed transformer provided by the utility model is as follows: through addding change over switch, connect the switching between first contact and second contact, alright realize switching over smoothly between high rated voltage and the low rated voltage, no longer need dispose two transformers simultaneously, under the prerequisite that satisfies the user demand, the technical problem that the cost is high, the installation space demand is big and wiring technology is complicated when having solved among the prior art adjustment power consumption voltage.
Embodiment 2 of the output voltage adjusting structure of the oil immersed transformer provided by the utility model:
the differences from example 1 are mainly that:
in example 1, the high rated voltage corresponding to the first contact is 10 kv and the low rated voltage corresponding to the second contact is 6 kv.
In this embodiment, the high rated voltage corresponding to the first contact is not 10 kv, but other values set according to the field requirements; the low rated voltage corresponding to the second contact is not 6 kv but other values set according to the field requirements.
From the foregoing description of the present specification, it will be further understood by those skilled in the art that terms such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are based on the azimuth or the positional relationship shown in the drawings of the present specification, are for convenience only in explaining aspects of the present utility model and simplifying the description, and do not explicitly or implicitly refer to devices or elements having to have the specific azimuth, be constructed and operate in the specific azimuth, and thus the azimuth or positional relationship terms described above should not be interpreted or construed as limitations of aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (4)
1. The utility model provides an output voltage regulation structure of oil immersed transformer, includes the oil tank, has arranged high-voltage sleeve pipe and low-voltage sleeve pipe on the oil tank, still has the no excitation voltage regulating switch that adjusts according to on-the-spot electric wave moves, its characterized in that still includes:
a change-over switch having a first contact corresponding to a high rated voltage and a second contact corresponding to a low rated voltage;
the change-over switch is a Y, D change-over switch comprising a Y-terminal for correspondingly contacting the first contact and a D-terminal for correspondingly contacting the second contact;
the high rated voltage corresponding to the first contact is 10 kilovolts, and the low rated voltage corresponding to the second contact is 6 kilovolts;
the non-excitation voltage regulating switch is provided with a 1 contact, a 2 contact and a 3 contact, wherein the 2 contact corresponds to rated gear voltage, the 1 contact corresponds to rated gear voltage 1.05, and the 3 contact corresponds to rated gear 0.95.
2. The output voltage regulating structure of an oil immersed transformer according to claim 1, wherein: and the rated voltage is 10 kilovolts corresponding to the first contact.
3. The output voltage regulating structure of an oil immersed transformer according to claim 1 or 2, characterized in that: and a mercury thermometer base is arranged on the tank cover of the oil tank.
4. The output voltage regulating structure of an oil immersed transformer according to claim 1 or 2, characterized in that: the tank cover of the oil tank is provided with an oil level gauge for judging whether the oil quantity in the transformer is changed or not on the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320450402.6U CN220651807U (en) | 2023-03-03 | 2023-03-03 | Output voltage adjusting structure of oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320450402.6U CN220651807U (en) | 2023-03-03 | 2023-03-03 | Output voltage adjusting structure of oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651807U true CN220651807U (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320450402.6U Active CN220651807U (en) | 2023-03-03 | 2023-03-03 | Output voltage adjusting structure of oil immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651807U (en) |
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2023
- 2023-03-03 CN CN202320450402.6U patent/CN220651807U/en active Active
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