CN221040723U - High-impedance three-phase rectifier transformer - Google Patents

High-impedance three-phase rectifier transformer Download PDF

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Publication number
CN221040723U
CN221040723U CN202322029732.0U CN202322029732U CN221040723U CN 221040723 U CN221040723 U CN 221040723U CN 202322029732 U CN202322029732 U CN 202322029732U CN 221040723 U CN221040723 U CN 221040723U
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China
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transformer
impedance
phase rectifier
mounting seat
insulating layer
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CN202322029732.0U
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Chinese (zh)
Inventor
刘超
衣凤和
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Dalian Yilin Transformer Co ltd
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Dalian Yilin Transformer Co ltd
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Abstract

The utility model discloses a high-impedance three-phase rectifier transformer, which comprises a transformer protective shell, wherein a protective door is arranged at one end of the transformer protective shell, a heat dissipation plate groove is arranged at one end of the protective door, a movable wheel is arranged at the bottom end of the transformer protective shell, a connecting coil is arranged in the transformer protective shell, a flame-retardant layer is arranged at the bottom end of the connecting coil, an insulating layer is arranged in the flame-retardant layer, a high-impedance film is connected to the inner wall of the insulating layer, and enamelled wires are arranged in the high-impedance film. According to the utility model, the high-resistance structure is arranged, and when the high-resistance insulating material is used, the enameled wire is arranged at the bottom of the connecting coil, and the high-resistance film is arranged outside the enameled wire, so that the insulating layer outside the high-resistance film has excellent electrical insulation property and good corrosion resistance and is a high-grade electrical insulating material, and the flame-retardant layer is arranged outside the insulating layer, so that the high-resistance function is realized.

Description

High-impedance three-phase rectifier transformer
Technical Field
The utility model relates to the technical field of rectifier transformers, in particular to a high-impedance three-phase rectifier transformer.
Background
The transformer is a device for changing AC voltage by utilizing electromagnetic induction principle, the main components are primary coil, secondary coil and iron core, and can implement the functions of voltage conversion, current conversion, impedance conversion, isolation and voltage stabilization, etc., the three-phase rectifier transformer is a kind of transformer, and is essentially a series connection of three-phase half-wave controllable rectifier circuits of a group of common cathodes and a group of common anodes.
In the practical use process, the scale of the power grid is enlarged, the short-circuit capacity is rapidly increased, and the condition that the short-circuit current level exceeds the breaking capacity of the circuit breaker occurs. Therefore, we propose a high-impedance three-phase rectifier transformer, which increases the positive sequence impedance of the system, thereby limiting the short-circuit current and improving the above problems.
Disclosure of utility model
The present utility model is directed to a high-impedance three-phase rectifier transformer, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high impedance three-phase rectifier transformer, includes the transformer protection shell, the guard gate is installed to the one end of transformer protection shell, control panel has been inlayed to the one end of guard gate, the heating panel groove is installed to the one end of guard gate, the removal wheel is installed to the bottom of transformer protection shell, the internally mounted of transformer protection shell has the connection coil, the flame retardant coating is installed to the bottom of connection coil, the internally mounted on flame retardant coating has the insulating layer, the inner wall connection of insulating layer has high resistance to hinder the membrane, the internally mounted of high resistance to hinder the membrane has the enamelled wire, the mount pad is installed to the bottom on flame retardant coating.
Preferably, the enamelled wire is equidistant to be installed in the bottom of connecting the coil, high anti-resistance film, insulating layer and fire-retardant layer connect gradually, enamelled wire runs through the inside of high anti-resistance film.
Preferably, a heat dissipation plate groove is arranged at one end of the protective door, a dust filtering net is inserted at the other end of the protective door, and a heat dissipation fan is arranged at one end of the dust filtering net.
Preferably, the heat dissipation plate groove penetrates through one end of the protective door, the dust filtering net and the protective door form a clamping structure, the heat dissipation plate groove is communicated with the dust filtering net through the protective door, and the heat dissipation fan penetrates through one end of the dust filtering net.
Preferably, the mounting seat is installed to the bottom of fire-retardant layer, the attenuator is installed to one side of mounting seat, buffer spring is installed to the bottom of mounting seat, rubber seat is installed to buffer spring's bottom.
Preferably, the rubber seat is connected with the mounting seat through buffer springs, and the buffer springs are arranged at the bottom end of the mounting seat at equal intervals.
Preferably, the mounting seat is connected with the transformer protecting shell through the damper, and the mounting seat and the transformer protecting shell form a telescopic structure through the damper.
Compared with the prior art, the utility model has the beneficial effects that: the high-impedance three-phase rectifier transformer not only realizes a high resistance function, but also realizes a dustproof heat dissipation function and a damping function;
(1) By arranging the high-resistance structure, the utility model has the beneficial effects that: when the high-resistance insulating material is used, the enameled wire is arranged at the bottom of the connecting wire, and the high-resistance film is arranged outside the enameled wire, so that an insulating layer outside the high-resistance film has excellent electrical insulation and good corrosion resistance and is a high-grade electrical insulating material, and a flame-retardant layer is arranged outside the insulating layer, so that the high-resistance insulating material has flame retardance and barrier property, and the safety of a transformer is improved;
(2) By arranging the dustproof heat dissipation structure, the utility model has the beneficial effects that: when the dust-proof protective cover is used, the dust filter net is arranged on the inner wall of the protective door at one end of the protective cover of the transformer, the cooling fan is arranged at one end of the dust filter net, after the cooling fan is started, the cooling fan pumps external cold air into the protective cover of the transformer through the cooling plate groove at one end of the protective door by the dust filter net, and the dust filter net filters the external air, so that the dust-proof function is realized;
(3) By arranging the damping structure, the utility model has the beneficial effects that: during the use through the mount pad of fire-retardant layer bottom through buffer spring and rubber seat with the inside contact of transformer protecting crust, produce vibrations when the transformer protecting crust moves through the drive of movable wheel and link the coil, buffer through the buffer spring of mount pad bottom and the vibrations that the rubber seat can, the attenuator of mount pad both sides can subtract kinetic energy to realized shock-absorbing structure, reduce because the influence that removes inside causing the transformer.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic view of an expanded structure of a dustproof heat dissipation structure according to the present utility model;
FIG. 3 is a schematic top view of a high resistance structure according to the present utility model;
Fig. 4 is a schematic plan view of a shock absorbing structure according to the present utility model.
In the figure: 1. a transformer protective housing; 2. a control panel; 3. a moving wheel; 4. a heat radiation plate groove; 5. a protective door; 6. a dust filtering net; 7. a heat radiation fan; 8. connecting the coils; 9. a flame retardant layer; 10. a rubber seat; 11. a mounting base; 12. an insulating layer; 13. a high resistance film; 14. enamelling wires; 15. a damper; 16. and a buffer spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Example 1: referring to fig. 1-4, a high-impedance three-phase rectifier transformer comprises a transformer protecting shell 1, wherein a protecting door 5 is installed at one end of the transformer protecting shell 1, a control panel 2 is embedded at one end of the protecting door 5, a heat dissipation plate groove 4 is installed at one end of the protecting door 5, a movable wheel 3 is installed at the bottom end of the transformer protecting shell 1, a connecting coil 8 is installed in the transformer protecting shell 1, a flame-retardant layer 9 is installed at the bottom end of the connecting coil 8, an insulating layer 12 is installed in the flame-retardant layer 9, a high-impedance film 13 is connected to the inner wall of the insulating layer 12, and an enamelled wire 14 is installed in the high-impedance film 13;
The enamelled wires 14 are arranged at the bottom end of the connecting coil 8 at equal intervals, the high-resistance film 13, the insulating layer 12 and the flame-retardant layer 9 are sequentially connected, and the enamelled wires 14 penetrate through the inside of the high-resistance film 13;
Specifically, as shown in fig. 2 and 3, by providing a high resistance structure, in use, by installing the enameled wire 14 at the bottom of the connecting wire 8, the high resistance film 13 provided outside the enameled wire 14, the insulating layer 12 outside the high resistance film 13 has excellent electrical insulation and good corrosion resistance, is a high-grade electrical insulating material, and the outside of the insulating layer 12 is provided with the flame retardant layer 9, has flame retardance and barrier property, thereby realizing a high resistance function.
Example 2: a heat radiation plate groove 4 is arranged at one end of the protective door 5, a dust filtering net 6 is inserted at the other end of the protective door 5, and a heat radiation fan 7 is arranged at one end of the dust filtering net 6;
the radiating plate groove 4 penetrates through one end of the protective door 5, the dust filtering net 6 and the protective door 5 form a clamping structure, the radiating plate groove 4 is communicated with the dust filtering net 6 through the protective door 5, and the radiating fan 7 penetrates through one end of the dust filtering net 6;
Specifically, as shown in fig. 1 and 2, through setting up dustproof heat radiation structure, through installing dust filter net 6 on the inner wall of guard gate 5 of transformer shield shell 1 one end during the use, install radiator fan 7 in the one end of dust filter net 6, start the back through radiator fan 7, radiator fan 7 is inside with the cooling air suction transformer shield shell 1 of outside through the heating panel groove 4 of guard gate 5 one end through dust filter net 6, and dust filter net 6 filters outside air to the dustproof function of dispelling.
Example 3: the bottom end of the flame-retardant layer 9 is provided with a mounting seat 11, one side of the mounting seat 11 is provided with a damper 15, the bottom end of the mounting seat 11 is provided with a buffer spring 16, and the bottom end of the buffer spring 16 is provided with a rubber seat 10;
The rubber seat 10 is connected with the mounting seat 11 through the buffer springs 16, the buffer springs 16 are arranged at the bottom end of the mounting seat 11 at equal intervals, the mounting seat 11 is connected with the transformer protecting shell 1 through the damper 15, and the mounting seat 11 and the transformer protecting shell 1 form a telescopic structure through the damper 15;
Specifically, as shown in fig. 2 and 4, through setting up shock-absorbing structure, mount pad 11 through flame retardant coating 9 bottom contacts with transformer protecting crust 1 inside through buffer spring 16 and rubber seat 10 during the use, produces vibrations when transformer protecting crust 1 drives the connection coil 8 through removing wheel 3 and removes, buffers through the shock that buffer spring 16 and rubber seat 10 can of mount pad 11 bottom, and the attenuator 15 of mount pad 11 both sides can subtract kinetic energy to shock-absorbing structure has been realized.
Working principle: according to the utility model, the mounting seat 11 is firstly connected with the transformer protecting shell 1 through the damper 15, then the rubber seat 10 and the buffer spring 16 are sequentially arranged between the transformer protecting shell 1 and the mounting seat 11, when the transformer inside the transformer protecting shell 1 is driven to move through the movable wheel 3 at the bottom end of the transformer protecting shell 1, the influence of external vibration on the internal transformer is buffered through the rubber seat 10 and the buffer spring 16 at the bottom end of the mounting seat 11, kinetic energy is reduced through the dampers 15 at the two sides of the mounting seat 11, the transformer operates, the cooling fan 7 inside the protecting door 5 at one end of the transformer protecting shell 1 is started, external air enters the dust filtering net 6 inside the protecting door 5 through the heat dissipation plate groove 4 and enters the inside the transformer protecting shell 1, the transformer inside the transformer protecting shell 1 is cooled, and finally the high-resistance film 13 arranged outside the enamelled wire 14 inside the transformer increases the stability of the enamelled wire 14 and reduces the leakage magnetism, the insulating layer 12 arranged outside the high-resistance film 13 has good insulation, the flame-retardant layer 9 outside the insulating layer 12 has good flame-retardant property, and the safety of the transformer is increased.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a high impedance nature three-phase rectifier transformer, includes transformer protecting crust (1), its characterized in that: the protection door (5) are installed to the one end of transformer protection shell (1), control panel (2) are inlayed to the one end of protection door (5), heating panel groove (4) are installed to the one end of protection door (5), remove round (3) are installed to the bottom of transformer protection shell (1), internally mounted of transformer protection shell (1) has connection coil (8), flame retardant coating (9) are installed to the bottom of connection coil (8), internally mounted of flame retardant coating (9) has insulating layer (12), the inner wall connection of insulating layer (12) has high resistive film (13), the internally mounted of high resistive film (13) has enameled wire (14), mount pad (11) are installed to the bottom of flame retardant coating (9).
2. A high-impedance three-phase rectifier transformer according to claim 1, characterized in that: the enamelled wire (14) is installed at the bottom of the connecting coil (8) at equal intervals, the high-resistance film (13), the insulating layer (12) and the flame-retardant layer (9) are sequentially connected, and the enamelled wire (14) penetrates through the inside of the high-resistance film (13).
3. A high-impedance three-phase rectifier transformer according to claim 1, characterized in that: the other end of the protective door (5) is inserted with a dust filtering net (6), and one end of the dust filtering net (6) is provided with a cooling fan (7).
4. A high-impedance three-phase rectifier transformer according to claim 3, characterized in that: the cooling plate groove (4) penetrates through one end of the protective door (5), the dust filtering net (6) and the protective door (5) form a clamping structure, the cooling plate groove (4) is communicated with the dust filtering net (6) through the protective door (5), and the cooling fan (7) penetrates through one end of the dust filtering net (6).
5. A high-impedance three-phase rectifier transformer according to claim 1, characterized in that: a damper (15) is arranged on one side of the mounting seat (11), a buffer spring (16) is arranged at the bottom end of the mounting seat (11), and a rubber seat (10) is arranged at the bottom end of the buffer spring (16).
6. The high-impedance three-phase rectifier transformer of claim 5 wherein: the rubber seat (10) is connected with the mounting seat (11) through the buffer springs (16), and the buffer springs (16) are arranged at the bottom end of the mounting seat (11) at equal intervals.
7. The high-impedance three-phase rectifier transformer of claim 5 wherein: the mounting seat (11) is connected with the transformer protecting shell (1) through the damper (15), and the mounting seat (11) and the transformer protecting shell (1) form a telescopic structure through the damper (15).
CN202322029732.0U 2023-07-31 2023-07-31 High-impedance three-phase rectifier transformer Active CN221040723U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322029732.0U CN221040723U (en) 2023-07-31 2023-07-31 High-impedance three-phase rectifier transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322029732.0U CN221040723U (en) 2023-07-31 2023-07-31 High-impedance three-phase rectifier transformer

Publications (1)

Publication Number Publication Date
CN221040723U true CN221040723U (en) 2024-05-28

Family

ID=91190585

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322029732.0U Active CN221040723U (en) 2023-07-31 2023-07-31 High-impedance three-phase rectifier transformer

Country Status (1)

Country Link
CN (1) CN221040723U (en)

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