CN209913280U

CN209913280U - Reactive power compensation cabinet

Info

Publication number: CN209913280U
Application number: CN201920849786.2U
Authority: CN
Inventors: 张兵; 袁江涛; 曾万清; 黄勇刚
Original assignee: CHINA CHUAN KAI ELECTRIC Co Ltd
Current assignee: CHINA CHUAN KAI ELECTRIC Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-01-07
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to an electrical equipment technical field specifically is a reactive compensation cabinet for the arrangement of solving spare part in the current reactive compensation cabinet is reasonable inadequately, and leads to generating heat seriously to influence life, the problem of maintenance of being not convenient for overhaul. The utility model discloses a cabinet body, cross slab and main switch room, the indoor main switch of installing of main switch, the cross slab below is installed perpendicular baffle in vertical direction, it separates the cabinet body front side for control protection room and perpendicular generating line room to erect the baffle, be equipped with fuse group and contactor group in the control protection room, the rear side of the cabinet body is equipped with the function room, be equipped with reactor group and capacitor bank in the function room. The utility model has the advantages that the parts in the cabinet body are more reasonably arranged, so that the path of the secondary line is shorter, the wiring is more convenient, the mutual heating interference is avoided, the failure rate is effectively reduced, and the service life is prolonged; the components are simple and beautiful in arrangement, and the user can overhaul and maintain the components more conveniently.

Description

Reactive power compensation cabinet

Technical Field

The utility model relates to an electrical equipment technical field, more specifically relate to a reactive power compensation cabinet.

Background

The reactive compensation cabinet is low-voltage equipment consisting of a fuse, a capacitor, a reactor, a primary loop and a secondary loop, and mainly has the function of compensating reactive power in a power distribution system. The essence of reactive compensation is that an external current source is adopted to compensate reactive power consumed in the process of load operation, equipment for providing the current source is reactive compensation equipment, and the reactive compensation equipment is in an indispensable important position in an electric power supply system. A large number of heating devices are usually arranged in the reactive compensation cabinet, and the cabinet body has higher requirements on heat dissipation performance.

The current arrangement mode of the internal part structure of the reactive compensation cabinet in the prior art is as follows: the main circuit comprises a main switch (a fuse isolating switch or a molded case circuit breaker), a fuse group, a contactor (or a thyristor controller or an electromechanical composite switch) group, a reactor group and a capacitor group from top to bottom in sequence, wherein the main circuit electrical elements are arranged in front of and behind the main circuit electrical elements. The arrangement mode of the parts has the defects that the secondary line is long, the capacitor bank and the reactor bank generate heat to bake the contactor to influence the service life, the front and back arrangement of the contactor is inconvenient to overhaul and maintain, the attractiveness is poor, and the like. Therefore, there is a strong need for a reactive power compensation cabinet which can reduce the above disadvantages.

SUMMERY OF THE UTILITY MODEL

Based on above problem, the utility model provides a reactive compensation cabinet for the arrangement of solving spare part in the current reactive compensation cabinet is reasonable inadequately, and leads to generating heat seriously to influence life, be not convenient for overhaul the problem of maintaining, pleasing to the eye degree difference. The utility model can arrange the parts in the cabinet more reasonably, so that the path of the secondary line is shorter and the wiring is more convenient; the arrangement of the heating devices is more scientific and reasonable, mutual heating interference is avoided, the failure rate is effectively reduced, and the service life is prolonged; the components are simple and beautiful in arrangement, and the user can overhaul and maintain the components more conveniently.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a reactive compensation cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, the internal middle part of cabinet is equipped with the cross slab, the cross slab top just is located cabinet body front side and is equipped with the main switch room, the main switch is installed to the main switch indoor, the cross slab below is installed perpendicular baffle in vertical direction, perpendicular baffle separates cabinet body front side lower part for control protection room and perpendicular generating line room, be equipped with fuse group and contactor group in the control protection room, the rear side of the cabinet body is equipped with the function room, be equipped with reactor group and capacitor bank in the function room.

As a preferred mode, the protection chamber is internally provided with a mounting plate, the mounting plate is provided with a first mounting hole, a line passing hole and an air vent, and the fuse group and the contact group are both mounted on the mounting plate through the first mounting hole.

Preferably, the functional chamber is provided with a mounting member, the mounting member is provided with a second mounting hole, and the reactor group and the capacitor group are mounted on the mounting member through the second mounting hole.

Preferably, a vertical bus bar is provided in the vertical bus bar chamber.

As a preferable mode, the vertical partition plate is provided with a plurality of holes.

The working principle is as follows: through the overall arrangement with spare part in the reactive power compensation cabinet among the prior art: the main circuit comprises a main switch (a fuse isolating switch or a molded case circuit breaker), a fuse group, a contactor (or a thyristor controller or an electromechanical composite switch) group, a reactor group and a capacitor group from top to bottom in sequence, wherein the main circuit electrical elements are arranged in front of and behind the main circuit electrical elements. The optimization is as follows: the front side of the cabinet body is divided into a main switch chamber, a control protection chamber and a vertical bus chamber by a transverse partition plate and a vertical partition plate, and the main switch chamber is separated from the vertical bus chamber and the control protection chamber by the transverse partition plate, so that the mutual influence of respective accidents is avoided; the vertical partition plate is provided with holes for the branch loop cables to pass through, and the vertical partition plate separates the vertical bus chamber from the control protection chamber, so that the mutual accident influence is avoided; the mounting plates are arranged in the control protection chamber, a first mounting hole, a line passing hole and an air vent are punched on each mounting plate, the first mounting holes are used for mounting and fixing a fuse group and a contact group, the line passing holes are used for passing through a connecting cable between the contact group and a reactor group, and the air vent is used for ventilation and heat dissipation of the front side and the rear side in the cabinet body; the main switch is arranged in the main switch chamber and plays a role in protecting the whole reactive power compensation cabinet; the fuse set and the contact set are arranged in the control protection chamber and play a role in protecting and controlling each branch loop of the device; the reactor group and the capacitor bank are arranged in the functional room at the rear side of the cabinet body, the harmonic suppression and reactive power compensation effects are achieved in the device, the reactor group and the capacitor bank are arranged front and back, the mutual heating influence is avoided, and the second mounting hole in the mounting piece is used for fixing the reactor group and the capacitor bank.

The greatest advantages of the patent are particularly emphasized as follows: by reasonably arranging the parts in the cabinet body, the path of the secondary line is shorter and the wiring is more convenient; the arrangement of the heating devices is more scientific and reasonable, mutual heating interference is avoided, the failure rate is effectively reduced, and the service life is prolonged; the components are simple and beautiful in arrangement, and the user can overhaul and maintain the components more conveniently.

The utility model has the advantages as follows:

(1) the utility model can arrange the parts in the cabinet more reasonably, so that the path of the secondary line is shorter and the wiring is more convenient; the arrangement of the heating devices is more scientific and reasonable, mutual heating interference is avoided, the failure rate is effectively reduced, and the service life is prolonged; the components are simple and beautiful in arrangement, and the user can overhaul and maintain the components more conveniently.

(2) The middle diaphragm plate of the utility model separates the main switch chamber from the vertical bus chamber and the control protection chamber, thereby avoiding the mutual influence of the respective accidents; the vertical partition plate is provided with holes for the branch loop cables to pass through, and the vertical partition plate separates the vertical bus chamber from the control protection chamber, so that the mutual accident influence is avoided.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the front side of the box door of the present invention;

FIG. 3 is a schematic diagram of the right side structure of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 4 according to the present invention;

fig. 6 is an enlarged schematic view of fig. 2 at C according to the present invention;

reference numerals: the vertical bus chamber 1, the vertical bus that converges 11, 2 function rooms, 21 capacitor bank, 22 reactor group, 23 installed parts, 231 second mounting hole, 3 protection rooms, 31 contactor group, 32 fuse group, 33 mounting panel, 331 first mounting hole, 332 cross the line hole, 333 air vent, 4 vertical partition, 41 hole, 5 main switch rooms, 51 main switch, 6 cabinets, 7 cross slab.

Detailed Description

For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.

Example 1:

as shown in fig. 1-6, a reactive power compensation cabinet, including the cabinet body 6, the internal middle part of cabinet is equipped with the cross slab 7, the top of cross slab 7 just is located the cabinet body 6 front side and is equipped with main switch room 5, install main switch 51 in the main switch room 5, install perpendicular baffle 4 in vertical direction below the cross slab 7, perpendicular baffle 4 separates the cabinet body 6 front side lower part for control protection room 3 and perpendicular generating line room 1, be equipped with fuse group 32 and contactor group 31 in the control protection room 3, the rear side of cabinet body 6 is equipped with function room 2, be equipped with reactor group 22 and capacitor group 21 in the function room 2.

Preferably, a vertical bus bar 11 is arranged in the vertical bus bar chamber 1, and the vertical bus bar 11 is arranged to distribute electric energy to each branch circuit of the device.

Preferably, the mounting plate 33 is installed in the protection room 3, the mounting plate 33 is provided with a first mounting hole 331, a line passing hole 332 and a vent hole 333, the fuse set 32 and the contact set 31 are both installed on the mounting plate 33 through the first mounting hole 331, the first mounting hole 331 is used for installing and fixing the fuse set 32 and the contact set 31, the line passing hole 332 is used for passing through a connecting cable between the contact set 31 and the reactor set 22, and the vent hole 333 is used for ventilation and heat dissipation on the front side and the rear side in the cabinet 6.

Preferably, the installation member 23 is provided in the function chamber 2, the installation member 23 is provided with a second installation hole 231, the reactor block 22 and the capacitor block 21 are installed on the installation member 23 through the second installation hole 231, and the second installation hole 231 is used for installing and fixing the reactor block 22 and the capacitor block 21.

Preferably, the vertical partition 4 is provided with a plurality of holes 41, and the holes 41 are used for allowing each branch loop cable to pass through.

The working principle is as follows: through the overall arrangement with spare part in the reactive power compensation cabinet among the prior art: the main circuit comprises a main switch (a fuse isolating switch or a molded case circuit breaker), a fuse group, a contactor (or a thyristor controller or an electromechanical composite switch) group, a reactor group and a capacitor group from top to bottom in sequence, wherein the main circuit electrical elements are arranged in front of and behind the main circuit electrical elements. The optimization is as follows: the front side of the cabinet body 6 is divided into a main switch chamber 5, a control protection chamber 3 and a vertical bus chamber 1 by a transverse partition plate 7 and a vertical partition plate 4, the main switch chamber 5 is divided from the vertical bus chamber 1 and the control protection chamber 3 by the transverse partition plate 7, and the mutual influence of respective accidents is avoided; the vertical partition plate 4 is provided with a hole 41 for each branch loop cable to pass through, and the vertical partition plate 4 separates the vertical bus chamber 1 from the control protection chamber 3, so that the mutual accident influence is avoided; the mounting plates 33 are arranged in the control protection chamber 3, each mounting plate 33 is punched with a first mounting hole 331, a line passing hole 332 and a vent hole 333, the first mounting holes 331 are used for mounting and fixing the fuse set 32 and the contact set 31, the line passing holes 332 are used for passing through a connecting cable between a contactor and a reactor, and the vent holes 333 are used for ventilation and heat dissipation on the front side and the rear side in the cabinet 6; the main switch 51 is arranged in the main switch chamber 5, and the main switch 51 plays a role in protecting the whole reactive power compensation cabinet; the fuse group 32 and the contact group 31 are arranged in the control protection chamber 3 and play a role in protecting and controlling each branch circuit of the device; the reactor group 22 and the capacitor group 21 are arranged in the functional chamber 2 at the rear side of the cabinet body 6, and play a role in harmonic suppression and reactive power compensation in the device, and the reactor group 22 and the capacitor group 21 are arranged in front and back to avoid mutual heating influence, and the second mounting hole 231 on the mounting piece 23 is used for mounting and fixing the reactor group 22 and the capacitor group 21.

The greatest advantages of the patent are particularly emphasized as follows: by reasonably arranging the parts in the cabinet body 6, the path of the secondary line is shorter and the wiring is more convenient; the arrangement of the heating devices is more scientific and reasonable, mutual heating interference is avoided, the failure rate is effectively reduced, and the service life is prolonged; the components are simple and beautiful in arrangement, and the user can overhaul and maintain the components more conveniently.

Other parts of this embodiment are the same as those of the above embodiment, and are not described herein again.

The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a reactive compensation cabinet, includes the cabinet body (6), its characterized in that: the utility model discloses a cabinet, including the cabinet body, the cabinet body is equipped with in the middle part in (6) the cross slab (7), the cross slab (7) top just is located the cabinet body (6) front side and is equipped with main switch room (5), install main switch (51) in main switch room (5), cross slab (7) below is installed perpendicular baffle (4) in vertical direction, perpendicular baffle (4) separate the cabinet body (6) front side lower part for control protection room (3) and perpendicular generating line room (1), be equipped with fuse group (32) and contactor group (31) in control protection room (3), the rear side of the cabinet body (6) is equipped with function room (2), be equipped with reactor group (22) and capacitor group (21) in function room (2).

2. A reactive compensation cabinet according to claim 1, characterized in that: install mounting panel (33) in protection room (3), it has first mounting hole (331), crosses line hole (332) and air vent (333) to open on mounting panel (33), fuse group (32) and contact group (31) are all installed on mounting panel (33) through first mounting hole (331).

3. A reactive compensation cabinet according to claim 2, characterized in that: be equipped with installed part (23) in function room (2), it has second mounting hole (231) to open on installed part (23), reactor group (22) and capacitor bank (21) are installed on installed part (23) through second mounting hole (231).

4. A reactive compensation cabinet according to claim 3, characterized in that: and a vertical bus bar (11) is arranged in the vertical bus bar chamber (1).

5. A reactive compensation cabinet according to claim 4, characterized in that: the vertical partition plate (4) is provided with a plurality of holes (41).