CN209087526U - A kind of loaded capacity-regulated transformer - Google Patents

A kind of loaded capacity-regulated transformer Download PDF

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Publication number
CN209087526U
CN209087526U CN201822079798.XU CN201822079798U CN209087526U CN 209087526 U CN209087526 U CN 209087526U CN 201822079798 U CN201822079798 U CN 201822079798U CN 209087526 U CN209087526 U CN 209087526U
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China
Prior art keywords
cabinet
plate
winding
oil inlet
low pressure
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CN201822079798.XU
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Chinese (zh)
Inventor
王婉儿
胡周南
杨金华
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NINGBO RENDONG ELECTRIC Co Ltd
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NINGBO RENDONG ELECTRIC Co Ltd
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Abstract

The utility model discloses a kind of loaded capacity-regulated transformers, including placing box, top plate, first cabinet, iron core, second cabinet and reactive compensation cabinet, first bottom of box is fixedly installed with several feets, feet is for carrying out the first cabinet to install storage living, first cabinet two sides are fixedly installed with radiating fin, first top of the box is fixedly installed with top plate, top plate top side is fixedly installed with oil inlet table, oil inlet table input terminal is fixedly installed with oil inlet pipe, the output end of oil inlet table is connected to by pipeline with the first cabinet, first top of the box is fixedly installed with insulating support, several bushings and low-tension bushing are fixedly installed at the top of insulating support, the bottom end of bushing and low-tension bushing is through in the first cabinet, the utility model structure is simple, it is easy to operate, it is low with no-load loss, the small equal advantage of noise, it can Play energy saving, raising power supply quality, the effect of mitigation Noise upon Environment pollution, environmental protection and energy saving.

Description

A kind of loaded capacity-regulated transformer
Technical field
The utility model relates to a kind of transformer, specifically a kind of loaded capacity-regulated transformer.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary Grade coil and iron core (magnetic core).Major function has: voltage transformation, current transformation, impedance transformation, isolation, pressure stabilizing (magnetic saturation transformation Device) etc..Can be divided into, according to use: (electric furnace becomes, rectifies change, power frequency testing transformer, pressure regulation for power transformer and special transformer Device, mining change, audio-frequency transformer, intermediate-frequency transformer, high frequency transformer, impact transformer, instrument transformer, electronic transformer, Reactor, mutual inductor etc.).
Existing loaded capacity-regulated transformer has biggish no-load loss in use, so that damage of the transformer to the energy It consumes larger, causes unnecessary energy waste, noise is larger in transformer equipment operation, influences power supply quality.
The purpose of this utility model is to provide a kind of loaded capacity-regulated transformers, mentioned above in the background art to solve Problem.
To achieve the above object, the utility model provides the following technical solutions:
A kind of loaded capacity-regulated transformer, including placing box, top plate, the first cabinet, iron core, the second cabinet and reactive compensation Cabinet, first bottom of box are fixedly installed with several feets, and the first top of the box is fixedly installed with top plate, top plate top side It is fixedly installed with oil inlet table, oil inlet table input terminal is fixedly installed with oil inlet pipe, and the output end of oil inlet table passes through pipeline and the first case Body connection, the first top of the box are fixedly installed with insulating support, and several bushings and low are fixedly installed at the top of insulating support The bottom end of pressing sleeve pipe, bushing and low-tension bushing is through in the first cabinet, and the top other side of top plate is fixedly installed with Placing box is fixedly installed with capacitance switch in placing box, and the setting of the first box inside is cored, and it is high that iron core winding is set with first Press winding, low pressure winding and the second high-voltage winding, the first high-voltage winding and low pressure winding and low pressure winding and the second high voltage winding Insulation board is provided between group, the first cabinet leading exterior surface is fixedly installed with the second cabinet, is fixedly mounted in the second cabinet There is partition, the second box house is divided into two chambers, is fixedly installed with protection on the inside end plate of the second cabinet by partition With relay, high toggle switch, low toggle switch, reactive compensation switch and controller.
As a further solution of the present invention: first cabinet two sides are fixedly installed with radiating fin.
The iron core chooses high magnetic conduction cold-reduced silicon sheet as a further solution of the present invention, is connect using seven grades Seam closed assembly forms.
The low pressure winding is located above the second high-voltage winding as a further solution of the present invention, and first is high Pressure winding is located at the top of low pressure winding.
Second box inside bottom is fixedly installed with reactive compensation as a further solution of the present invention, Cabinet, reactive compensation cabinet are located at side of the partition far from controller, and reactive compensation cabinet is electrically connected with reactive compensation switch.
Compared with prior art, the utility model has the beneficial effects that
The utility model structure is simple, easy to operate, and iron core chooses high magnetic conduction cold-reduced silicon sheet, folded using seven grades of seams Dress, has the advantages that no-load loss is low, noise is small, good manufacturability, plays energy saving, raising power supply quality, mitigation noise The effect of environmental pollution, when transformer electricity carries large capacity, is opened to achieve the effect that environmental protection and energy saving by high pressure switching Pass makes three groups of coils of three-phase high-voltage winding be connected into triangle connection type, and by low toggle switch by the three of low pressure winding Group coil is connected into parallel way, when transformer electricity carries low capacity, makes three groups of three-phase high-voltage winding by high toggle switch Coil is connected into star-like connection mode, and three groups of coils of low pressure winding are connected into company's connection of two and a string by low toggle switch Mode completes capacity transfer work according to the capacity load size cases of detection to reach by capacitance switch, and relay is used in protection The setting of device, can examinations the first box house situation power off, avoided more in time when transformer occurs abnormal Big property loss, iron core use vacuum drying technique, and transformer oil uses the technique of vacuum oil filtering and oiling, makes the first cabinet Internal moisture minimizes, to be conducive to the normal work of transformer, transformer body element is opened with secondary control loop It closes and uses branch mailbox combined type, structurally reasonable, good appearance atmosphere, while being easily installed wiring, it is easy to maintain, pass through controller energy Enough automatically control second case intracorporal secondary control loop switch, the setting of radiating fin, can effectively to transformer body into Row heat dissipation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of loaded capacity-regulated transformer.
Fig. 2 is the front view in a kind of loaded capacity-regulated transformer.
Fig. 3 is a kind of structural schematic diagram of the second cabinet in loaded capacity-regulated transformer.
In figure: oil inlet pipe 1, oil inlet table 2, low-tension bushing 3, bushing 4, placing box 5, top plate 6, capacitance switch 7, first Cabinet 8, the first high-voltage winding 9, low pressure winding 10, the second high-voltage winding 11, radiating fin 12, feet 13, iron core 14, insulation board 15, the second cabinet 16, protection relay 17, high toggle switch 18, low toggle switch 19, reactive compensation cabinet 20, idle Compensating switch 21, controller 22, partition 23 and insulating support 24.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of loaded capacity-regulated transformer, including oil inlet pipe 1, oil inlet table 2, low-tension bushing 3, bushing 4, placing box 5, top plate 6, capacitance switch 7, the first cabinet 8, the first high-voltage winding 9, low pressure around Relay is used in the 10, second high-voltage winding 11 of group, radiating fin 12, feet 13, iron core 14, insulation board 15, the second cabinet 16, protection 17, high toggle switch 18, low toggle switch 19, reactive compensation cabinet 20, reactive compensation switch 21, controller 22, partition 23 With insulating support 24,8 bottom of the first cabinet is fixedly installed with several feets 13, and feet 13 is used to carry out the first cabinet 8 Installation storage living, 8 two sides of the first cabinet are fixedly installed with radiating fin 12, are fixedly installed with top plate at the top of the first cabinet 8 6,6 top side of top plate is fixedly installed with oil inlet table 2, and 2 input terminal of oil inlet table is fixedly installed with oil inlet pipe 1, the output of oil inlet table 2 End is connected to by pipeline with the first cabinet 8, and insulating support 24 is fixedly installed at the top of the first cabinet 8, is consolidated at the top of insulating support 24 Dingan County is equipped with several bushings 4 and low-tension bushing 3, and the bottom end of bushing 4 and low-tension bushing 3 is through to the first cabinet 8 Interior, the top other side of top plate 6 is fixedly installed with placing box 5, and capacitance switch 7, the first cabinet 8 are fixedly installed in placing box 5 Inside setting cored 14, the iron core 14 chooses high magnetic conduction cold-reduced silicon sheet, is formed using seven grades of seam closed assemblies, iron core 14 twines Around the first high-voltage winding 9, low pressure winding 10 and the second high-voltage winding 11 is set with, the low pressure winding 10 is located at the second high voltage winding 11 top of group, the first high-voltage winding 9 are located at the top of low pressure winding 10, the first high-voltage winding 9 and low pressure winding 10 and low pressure Insulation board 15 is provided between winding 10 and the second high-voltage winding 11,8 leading exterior surface of the first cabinet is fixedly installed with second Cabinet 16, is fixedly installed with partition 23 in the second cabinet 16, and 16 inside division of the second cabinet is two chambers by partition 23, and second Protection relay 17, high toggle switch 18, low toggle switch 19, nothing are fixedly installed on the inside end plate of cabinet 16 Function compensating switch 21 and controller 22,16 inside bottom of the second cabinet are fixedly installed with reactive compensation cabinet 20, reactive compensation Cabinet 20 is located at side of the partition 23 far from controller 22, and reactive compensation cabinet 20 is electrically connected with reactive compensation switch 21, and iron core 14 selects High magnetic conduction cold-reduced silicon sheet is taken, using seven grades of seam closed assemblies, has the advantages that no-load loss is low, noise is small, good manufacturability, plays It is energy saving, power supply quality is improved, the effect of Noise upon Environment pollution is mitigated, thus achieved the effect that environmental protection and energy saving, when When transformer electricity carries large capacity, three groups of coils of three-phase high-voltage winding are made to be connected into triangle connection side by high toggle switch 18 Formula, and three groups of coils of low pressure winding 10 are connected by parallel way by 19 switch of low pressure switching, when transformer electricity carries low capacity When, so that three groups of coils of three-phase high-voltage winding is connected into star-like connection mode by high toggle switch 18, and switch by low pressure Three groups of coils of low pressure winding 10 are connected into company's connection mode of two and a string by switch 19, to reach the capacity load according to detection Size cases complete capacity transfer work by capacitance switch 7, and the protection setting of relay 17 being capable of the first cabinet of examinations 8 inner cases power off in time when transformer occurs abnormal, avoid bigger property loss, and iron core 14 is dry using vacuum Dry technology, transformer oil use the technique of vacuum oil filtering and oiling, minimize the moisture inside the first cabinet 8, to have Conducive to the normal work of transformer, transformer body element and secondary control loop switch use branch mailbox combined type, structurally reasonable, Good appearance atmosphere, while it being easily installed wiring, it is easy to maintain, it can be automatically controlled in the second cabinet 16 by controller 22 Secondary control loop switch, the setting of radiating fin 12 can effectively radiate to transformer body.
The working principle of the utility model is:
The first high-voltage winding of inside transformer 9, low pressure winding 10 and the second high-voltage winding 11 are by alternating current in transformation The magnetic field of alternation is generated in the iron core 14 of device, the magnetic field of alternation will be wound on the first high-voltage winding 9, low pressure winding 10 and second High-voltage winding 11 generates induced electromotive force, to form voltage.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of loaded capacity-regulated transformer, including placing box (5), top plate (6), the first cabinet (8), iron core (14), the second cabinet (16) and reactive compensation cabinet (20), which is characterized in that the first cabinet (8) bottom is fixedly installed with several feets (13), and It is fixedly installed with top plate (6) at the top of one cabinet (8), top plate (6) top side is fixedly installed with oil inlet table (2), and oil inlet table (2) is defeated Enter end to be fixedly installed with oil inlet pipe (1), the output end of oil inlet table (2) is connected to by pipeline with the first cabinet (8), the first cabinet (8) top is fixedly installed with insulating support (24), is fixedly installed with several bushings (4) and low pressure at the top of insulating support (24) The bottom end of casing (3), bushing (4) and low-tension bushing (3) is through in the first cabinet (8), and the top of top plate (6) is another Side is fixedly installed with placing box (5), is fixedly installed with capacitance switch (7) in placing box (5), is provided on the inside of the first cabinet (8) Iron core (14), iron core (14) winding are set with the first high-voltage winding (9), low pressure winding (10) and the second high-voltage winding (11), the Insulation is provided between one high-voltage winding (9) and low pressure winding (10) and low pressure winding (10) and the second high-voltage winding (11) Plate (15), the first cabinet (8) leading exterior surface are fixedly installed with the second cabinet (16), be fixedly installed in the second cabinet (16) every Second cabinet (16) inside division is two chambers by plate (23), partition (23), is consolidated on the inside end plate of the second cabinet (16) Dingan County equipped with protection relay (17), high toggle switch (18), low toggle switch (19), reactive compensation switch (21) and Controller (22).
2. a kind of loaded capacity-regulated transformer according to claim 1, which is characterized in that the first cabinet (8) two sides are equal It is fixedly installed with radiating fin (12).
3. a kind of loaded capacity-regulated transformer according to claim 1, which is characterized in that the iron core (14) chooses high magnetic conduction Cold-reduced silicon sheet is formed using seven grades of seam closed assemblies.
4. a kind of loaded capacity-regulated transformer according to claim 1, which is characterized in that the low pressure winding (10) is located at the Above two high-voltage windings (11), the first high-voltage winding (9) is located at the top of low pressure winding (10).
5. a kind of loaded capacity-regulated transformer according to claim 1, which is characterized in that bottom on the inside of second cabinet (16) Portion is fixedly installed with reactive compensation cabinet (20), and reactive compensation cabinet (20) is located at the side of partition (23) far from controller (22), nothing Function compensating cabinet (20) is electrically connected with reactive compensation switch (21).
CN201822079798.XU 2018-12-12 2018-12-12 A kind of loaded capacity-regulated transformer Active CN209087526U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822079798.XU CN209087526U (en) 2018-12-12 2018-12-12 A kind of loaded capacity-regulated transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822079798.XU CN209087526U (en) 2018-12-12 2018-12-12 A kind of loaded capacity-regulated transformer

Publications (1)

Publication Number Publication Date
CN209087526U true CN209087526U (en) 2019-07-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822079798.XU Active CN209087526U (en) 2018-12-12 2018-12-12 A kind of loaded capacity-regulated transformer

Country Status (1)

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CN (1) CN209087526U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110780130A (en) * 2019-10-17 2020-02-11 合肥市睿电电气技术咨询服务有限责任公司 Transformer internal fault simulation test equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110780130A (en) * 2019-10-17 2020-02-11 合肥市睿电电气技术咨询服务有限责任公司 Transformer internal fault simulation test equipment
CN110780130B (en) * 2019-10-17 2022-04-19 合肥市睿电电气技术咨询服务有限责任公司 Transformer internal fault simulation test equipment

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