A high voltage SVG dynamic compensation device

Abstract

The present invention discloses a high-voltage SVG dynamic compensation device, which relates to the technical field of SVG dynamic compensation devices, and is designed to solve the problem that the maintenance performance of the internal components of the existing high-voltage SVG dynamic compensation device is not flexible and convenient enough, and the structural performance of the inlet and outlet lines is not stable enough. An upper fixed cabinet door is installed above the front end of the dynamic compensation device housing, a pull-out fixed door is installed below the upper fixed cabinet door, side heat dissipation structures are installed on both sides of the dynamic compensation device housing, a busbar chamber is arranged inside the dynamic compensation device housing, a component installation cavity is arranged on one side of the busbar chamber, a cable chamber is arranged below the component installation cavity, an instrument chamber is arranged above the other side of the busbar chamber, and a maintenance pull-out cavity is arranged below the instrument chamber, a main busbar is installed inside the busbar chamber, a wiring fixed sleeve is installed on one side of the main busbar, and a pull-out structure is installed below the inside of the maintenance pull-out cavity.

Description

Technical Field

[0001] The invention relates to the technical field of SVG dynamic compensation devices, in particular to a high-voltage SVG dynamic compensation device. Background Art

[0002] SVG static VAR generator uses a self-commutated bridge circuit composed of switchable power electronic devices, which is connected to the power grid in parallel through a reactor to appropriately adjust the amplitude and phase of the output voltage on the AC side of the bridge circuit, or directly control the current on the AC side. As an active compensation device, it can not only track the impact current of the impact load, but also track and compensate the harmonic current. All places where low-voltage transformers are installed and next to large electrical equipment should be equipped with reactive power compensation devices. This is the regulation of the national power department, especially those industrial and mining, enterprises, and residential areas with low power factors must be installed. Large asynchronous motors, transformers, electric welding machines, punching machines, lathes, air compressors, presses, cranes, smelting, steel rolling, aluminum rolling, large switches, electric irrigation equipment, electric locomotives, etc. are particularly needed. In addition to incandescent lighting, air conditioners, refrigerators, etc. in residential areas are also consumers of reactive power that cannot be ignored.

[0003] However, the maintenance performance of the internal components of the existing high-voltage SVG dynamic compensation device is not flexible and convenient enough, and the structural performance of the inlet and outlet lines is not stable enough; therefore, it does not meet the existing needs. In this regard, we propose a high-voltage SVG dynamic compensation device. Summary of the invention

[0004] The purpose of the present invention is to provide a high-voltage SVG dynamic compensation device to solve the problems in the above background technology that the maintenance performance of the internal components of the existing high-voltage SVG dynamic compensation device is not flexible and convenient enough, and the structural performance of the inlet and outlet lines is not stable enough.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-voltage SVG dynamic compensation device, comprising a dynamic compensation device shell, an upper fixed cabinet door is installed above the front end of the dynamic compensation device shell, a pull-out fixed door is installed below the upper fixed cabinet door, side heat dissipation structures are installed on both sides of the dynamic compensation device shell, a busbar chamber is arranged inside the dynamic compensation device shell, a component installation cavity is arranged on one side of the busbar chamber, a cable chamber is arranged below the component installation cavity, an instrument chamber is arranged above the other side of the busbar chamber, a maintenance pull-out cavity is arranged below the instrument chamber, a lightning protection grounding component is installed below the maintenance pull-out cavity, a main busbar is installed inside the busbar chamber, a wiring fixing sleeve is installed on one side of the main busbar, and a pull-out structure is installed below the inside of the maintenance pull-out cavity.

[0006] Preferably, the upper fixed cabinet door is connected to the shell of the dynamic compensation device through a card slot, an instrument display slot is installed above the front end of the upper fixed cabinet door, a display light is installed below the instrument display slot, and there are several instrument display slots and display lights, and the pull-out fixed door is slidingly connected to the shell of the dynamic compensation device, a heat dissipation fixed slot is provided below the front end of the pull-out fixed door, and there are several heat dissipation fixed slots.

[0007] Preferably, the side heat dissipation structure is connected to the dynamic compensation device housing by screws, three wiring fixing sleeves are provided, a current transformer is installed inside the cable chamber, a static contact box is installed on the other side of the main bus, and a pressure releaser is provided at the upper end of the dynamic compensation device housing.

[0008] Preferably, a bottom mounting fixing plate is provided on one side of the lower end of the dynamic compensation device shell, and a plurality of bottom mounting fixing plates are provided, a fixed mounting plate is installed at the rear end of the bottom mounting fixing plate, a wire fixing frame is installed on one side of the component mounting cavity, and the wire fixing frame is connected to the dynamic compensation device shell by screws.

[0009] Preferably, the pulling structure includes a sliding stabilization frame and a component mounting plate, sliding support frames are installed on both sides of the component mounting plate, a fixed slider is installed on the outer side of the sliding support frame, auxiliary limiting sliders are installed on both ends of the fixed slider, and the component mounting plate and the fixed slider are fixedly connected to the sliding support frame.

[0010] Preferably, a sliding stabilizing groove is provided inside the sliding stabilizing frame, a limited fixed sliding groove is provided at the middle position of the inner side of the sliding stabilizing frame, and the sliding supporting frame and the fixed sliding block extend to the inside of the limited fixed sliding groove and the sliding stabilizing groove, a supporting sliding wheel is installed below the component mounting plate, and four supporting sliding wheels are provided, and a sliding groove is provided below the supporting sliding wheel.

[0011] Preferably, the wiring fixing sleeve includes an outer limiting sleeve, an extended fixing sleeve and an inner fixing sleeve, the outer limiting sleeve and the inner fixing sleeve are all rotatably connected with the extended fixing sleeve through threads, a wire groove is arranged inside the outer limiting sleeve, an installation limiting card edge is arranged at the upper end of the inner fixing sleeve, a sealing fixing block is installed above the inner fixing sleeve, a center fixing hole is arranged at the middle position of the sealing fixing block, an extension card block is arranged at the lower end of the sealing fixing block, an extended fixing card hole is arranged inside the installation limiting card edge, the installation limiting card edge and the sealing fixing block are connected through a card groove, and the lower end of the extension card block extends to the inside of the extended fixing card hole.

[0012] Preferably, a rotating cooling fan is installed inside the side cooling structure, a dust cover is installed at the front end of the rotating cooling fan, and the dust cover is connected to the side cooling structure through a slot, a refrigeration block is installed on the outside of the rotating cooling fan, a dustproof fixing leaf is installed at the front end of the dust cover, and the dustproof fixing leaf is connected to the side cooling structure through a slot.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention is equipped with a pull-out structure, and after the component is installed in the maintenance pull-out cavity, the internal maintenance can be carried out by pulling out the internal component installation plate. The structure is simple, and the sliding performance of the component is more stable and flexible by providing a sliding support frame, a fixed slider, an auxiliary limit slider and a limit fixed slide groove, and the stability and support performance of the pull-out are better guaranteed, which solves the problem that the maintenance performance of the internal components of the existing high-voltage SVG dynamic compensation device is not flexible and convenient enough;

[0015] 2. The present invention can better ensure the structural performance of the incoming and outgoing wires by installing a wiring fixing sleeve, and can better protect the protection performance and stability of the cable in and out by connecting the outer limit sleeve, the extended fixing sleeve and the inner fixing sleeve, and can avoid damage caused by direct contact between the cable and the shell, thereby solving the problem that the structural performance of the incoming and outgoing wires of the existing high-voltage SVG dynamic compensation device is not stable enough;

[0016] 3. The present invention provides a plurality of cavities inside the shell of the dynamic compensation device, so that components can be installed according to needs, and classified maintenance can be better performed later. By installing side heat dissipation structures on both sides of the shell of the dynamic compensation device, the internal heat can be better dissipated to avoid excessive heat and affect the internal working performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of a high-voltage SVG dynamic compensation device of the present invention;

[0018] Figure 2 A cross-sectional view of a high-voltage SVG dynamic compensation device according to the present invention;

[0019] Figure 3 It is a structural schematic diagram of the pull-out structure of the present invention;

[0020] Figure 4 A three-dimensional diagram of a wiring fixing sleeve of the present invention;

[0021] Figure 5 It is a structural schematic diagram of the side heat dissipation structure of the present invention.

[0022] In the figure: 1. Dynamic compensation device housing; 2. Upper fixed cabinet door; 3. Instrument display slot; 4. Display light; 5. Pull-out fixed door; 6. Heat dissipation fixed slot; 7. Side heat dissipation structure; 8. Busbar room; 9. Component installation cavity; 10. Cable room; 11. Instrument room; 12. Maintenance pull-out cavity; 13. Lightning protection grounding component; 14. Main busbar; 15. Wiring fixed bushing; 16. Current transformer; 17. Static contact box; 18. Pressure release; 19. Bottom installation fixing plate; 20. Fixed installation plate; 21. Wire fixing frame; 22. Pull-out structure; 23. Sliding stabilizing frame; 24, component mounting plate; 25, sliding supporting frame; 26, fixed slider; 27, auxiliary limiting slider; 28, limiting fixed slide groove; 29, sliding stabilizing groove; 30, supporting sliding wheel; 31, sliding groove; 32, outer limiting sleeve; 33, extended fixed sleeve; 34, inner fixed sleeve; 35, wire groove; 36, installation limiting card edge; 37, sealing fixing block; 38, center fixing hole; 39, extension card block; 40, extension fixed card hole; 41, rotating cooling fan; 42, dust cover; 43, refrigeration block; 44, dustproof fixing leaf. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-5 An embodiment of the present invention is as follows: a high-voltage SVG dynamic compensation device comprises a dynamic compensation device housing 1, an upper fixed cabinet door 2 is installed above the front end of the dynamic compensation device housing 1, a drawer fixed door 5 is installed below the upper fixed cabinet door 2, side heat dissipation structures 7 are installed on both sides of the dynamic compensation device housing 1, and the heat dissipation performance is better guaranteed, a busbar chamber 8 is arranged inside the dynamic compensation device housing 1, a component installation chamber 9 is arranged on one side of the busbar chamber 8, and the component installation performance is simpler and more perfect, a cable chamber 10 is arranged below the component installation chamber 9, an instrument chamber 11 is arranged above the other side of the busbar chamber 8, a maintenance drawer chamber 12 is arranged below the instrument chamber 11, a lightning protection grounding component 13 is installed below the maintenance drawer chamber 12, a main busbar 14 is installed inside the busbar chamber 8, a wiring fixed sleeve 15 is installed on one side of the main busbar 14, and a drawer structure 22 is installed below the maintenance drawer chamber 12, which can better guarantee the overall structural performance and is more convenient and easy to use.

[0025] Furthermore, the upper fixed cabinet door 2 is connected to the dynamic compensation device shell 1 through a card slot, an instrument display slot 3 is installed above the front end of the upper fixed cabinet door 2, a display light 4 is installed below the instrument display slot 3, and there are several instrument display slots 3 and display lights 4. The pull-out fixed door 5 is slidingly connected to the dynamic compensation device shell 1, and the mobility is more flexible and convenient. A heat dissipation fixed slot 6 is arranged below the front end of the pull-out fixed door 5, and there are several heat dissipation fixed slots 6, the internal heat dissipation performance is simpler and more comprehensive, and the use performance is simpler and more perfect.

[0026] Furthermore, the side heat dissipation structure 7 is connected to the dynamic compensation device housing 1 by screws, three wiring fixing sleeves 15 are provided, a current transformer 16 is installed inside the cable chamber 10, a static contact box 17 is installed on the other side of the main bus 14, and a pressure releaser 18 is provided at the upper end of the dynamic compensation device housing 1, which can better ensure the working performance of the overall device and make the structural performance of the internal components more comprehensive.

[0027] Furthermore, a bottom mounting fixing plate 19 is provided on one side of the lower end of the dynamic compensation device housing 1, and a plurality of bottom mounting fixing plates 19 are provided, a fixed mounting plate 20 is installed at the rear end of the bottom mounting fixing plate 19, a wire fixing frame 21 is installed on one side of the component mounting cavity 9, and the wire fixing frame 21 is connected to the dynamic compensation device housing 1 by screws. The screw connection facilitates the installation and disassembly of the wire fixing frame 21 and the dynamic compensation device housing 1, reduces the installation strength, and also reduces the technical content of the installation workers.

[0028] Furthermore, the pulling structure 22 includes a sliding stabilizing frame 23 and a component mounting plate 24, sliding support frames 25 are installed on both sides of the component mounting plate 24, a fixed slider 26 is installed on the outer side of the sliding support frame 25, auxiliary limiting sliders 27 are installed on both ends of the fixed slider 26, and the component mounting plate 24 and the fixed slider 26 are fixedly connected to the sliding support frame 25, so the connection performance is more stable and comprehensive, and the structural strength is higher.

[0029] Furthermore, a sliding stabilizing groove 29 is provided inside the sliding stabilizing frame 23, a limited fixed sliding groove 28 is provided at the middle position inside the sliding stabilizing frame 23, and the sliding supporting frame 25 and the fixed sliding block 26 extend to the inside of the limited fixed sliding groove 28 and the sliding stabilizing groove 29, a supporting sliding wheel 30 is installed below the component mounting plate 24, and four supporting sliding wheels 30 are provided, and a sliding groove 31 is provided below the supporting sliding wheel 30, so that the sliding flexibility is better guaranteed, and it is more convenient and trouble-free to use.

[0030] Furthermore, the wiring fixing sleeve 15 includes an outer limiting sleeve 32, an extended fixing sleeve 33 and an inner fixing sleeve 34. The outer limiting sleeve 32 and the inner fixing sleeve 34 are all rotatably connected to the extended fixing sleeve 33 through threads. The threaded connection realizes the disassembly and assembly of the outer limiting sleeve 32, the extended fixing sleeve 33 and the inner fixing sleeve 34. When one of them is damaged, only that one needs to be replaced, which is simple to operate and has low maintenance costs. The outer limiting sleeve 32 is provided with a wire groove 35 inside, and the inner fixing sleeve 34 is provided with a wire groove 35 inside. 4 is provided with an installation limit card edge 36, a sealing fixing block 37 is installed above the inner fixing sleeve 34, a central fixing hole 38 is provided at the middle position of the sealing fixing block 37, an extension card block 39 is provided at the lower end of the sealing fixing block 37, an extension fixing card hole 40 is provided inside the installation limit card edge 36, the installation limit card edge 36 and the sealing fixing block 37 are connected by a card groove, and the lower end of the extension card block 39 extends to the inside of the extension fixing card hole 40, which can better ensure the stability of the cable.

[0031] Furthermore, a rotating cooling fan 41 is installed inside the side heat dissipation structure 7, a dust cover 42 is installed at the front end of the rotating cooling fan 41, and the dust cover 42 is connected to the side heat dissipation structure 7 through a slot, a refrigeration block 43 is installed on the outside of the rotating cooling fan 41, a dustproof fixing leaf 44 is installed at the front end of the dust cover 42, and the dustproof fixing leaf 44 is connected to the side heat dissipation structure 7 through a slot. The slot connection makes the connection between the dustproof fixing leaf 44 and the dust cover 42 and the side heat dissipation structure 7 more flexible, and can be quickly disassembled and assembled, saving the time-consuming assembly and disassembly of screws.

[0032] Working principle: When in use, install the components inside the busbar chamber 8, the component installation chamber 9, the cable chamber 10, the instrument chamber 11 and the maintenance pull-out chamber 12 as needed. When the cable is introduced into the housing 1 of the dynamic compensation device, rotate and remove the outer limit sleeve 32, put the sealing fixing block 37 on the outside of the cable, insert one end of the cable into the inside of the wire groove 35, and lead it out from the other end of the extended fixing sleeve 33, rotate the outer limit sleeve 32 and install it with the extended fixing sleeve 33, and at the same time, clamp the sealing fixing block 37 inside the installation limit card edge 36, and the extended card block 39 enters the inside of the extended fixed card hole 40 to ensure the stability of the installation. When the internal components generate heat during operation, the heat is dissipated through the side heat dissipation structure 7. Heat dissipation, rotating the cooling fan 41 to allow air to enter on one side and exit on the other side, can better circulate the internal air and discharge heat, the dust cover 42 and the refrigeration block 43 can improve the working efficiency of internal heat dissipation while ensuring the heat dissipation and dustproof performance, when the internal components need to be inspected, the overall pull-out structure 22 can be pulled out by pulling out the fixed door 5 to inspect the components, and while pulling, the supporting sliding wheel 30 slides inside the sliding groove 31, and the sliding support frame 25, the fixed slider 26 and the auxiliary limiting slider 27 respectively contact the sliding stable groove 29 and the limiting fixed slide groove 28 to slide, which can better ensure the stability of the structure, is more convenient and trouble-free to use, and has higher overall practicality.

[0033] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A high voltage SVG dynamic compensation device, comprising a dynamic compensation device housing (1), characterized in that: An upper fixed cabinet door (2) is installed above the front end of the dynamic compensation device housing (1), and a drawer-fixed door (5) is installed below the upper fixed cabinet door (2). Side heat dissipation structures (7) are installed on both sides of the dynamic compensation device housing (1). A busbar chamber (8) is provided inside the dynamic compensation device housing (1), and a component installation chamber (9) is provided on one side of the busbar chamber (8). A cable chamber (10) is provided below the component installation chamber (9). An instrument chamber (11) is provided above the other side of the busbar chamber (8), and a maintenance drawer chamber (12) is provided below the instrument chamber (11). A lightning protection grounding component (13) is installed below the maintenance drawer chamber (12). A main busbar (14) is installed inside the busbar chamber (8), and a wiring fixing sleeve (15) is installed on one side of the main busbar (14). A drawer structure (22) is installed below the maintenance drawer chamber (12). The pull-out structure (22) comprises a sliding stabilizing frame (23) and a component mounting plate (24), sliding support frames (25) are mounted on both sides of the component mounting plate (24), a fixed slider (26) is mounted on the outer side of the sliding support frame (25), auxiliary limiting sliders (27) are mounted on both ends of the fixed slider (26), and the component mounting plate (24) and the fixed slider (26) are fixedly connected to the sliding support frame (25); A sliding stabilizing groove (29) is provided inside the sliding stabilizing frame (23), a limited fixed sliding groove (28) is provided at a middle position inside the sliding stabilizing frame (23), and the sliding support frame (25) and the fixed sliding block (26) extend into the limited fixed sliding groove (28) and the sliding stabilizing groove (29), a supporting sliding wheel (30) is installed below the component mounting plate (24), and four supporting sliding wheels (30) are provided, and a sliding groove (31) is provided below the supporting sliding wheel (30); The wiring fixing sleeve (15) comprises an outer limiting sleeve (32), an extended fixing sleeve (33) and an inner fixing sleeve (34); the outer limiting sleeve (32) and the inner fixing sleeve (34) are both rotatably connected to the extended fixing sleeve (33) by means of threads; a wire groove (35) is provided inside the outer limiting sleeve (32); a mounting limiting clamping edge (36) is provided at the upper end of the inner fixing sleeve (34); a sealing fixing block (37) is installed above the inner fixing sleeve (34); a central fixing hole (38) is provided at the middle position of the sealing fixing block (37); an extended clamping block (39) is provided at the lower end of the sealing fixing block (37); an extended fixing clamping hole (40) is provided inside the mounting limiting clamping edge (36); the mounting limiting clamping edge (36) and the sealing fixing block (37) are connected by means of a clamping groove; and the lower end of the extended clamping block (39) extends to the inside of the extended fixing clamping hole (40).

2. A high voltage SVG dynamic compensation device according to claim 1, characterized in that: The upper fixed cabinet door (2) is connected to the housing (1) of the dynamic compensation device via a slot; an instrument display slot (3) is installed above the front end of the upper fixed cabinet door (2); a display light (4) is installed below the instrument display slot (3); and a plurality of instrument display slots (3) and display lights (4) are provided; the drawable fixed door (5) is slidably connected to the housing (1) of the dynamic compensation device; a heat dissipation fixed slot (6) is provided below the front end of the drawable fixed door (5); and a plurality of heat dissipation fixed slots (6) are provided.

3. A high voltage SVG dynamic compensation device according to claim 1, characterized in that: The side heat dissipation structure (7) is connected to the dynamic compensation device housing (1) by screws, three wiring fixing sleeves (15) are provided, a current transformer (16) is installed inside the cable chamber (10), a static contact box (17) is installed on the other side of the main busbar (14), and a pressure release device (18) is provided at the upper end of the dynamic compensation device housing (1).

4. A high voltage SVG dynamic compensation device according to claim 1, characterized in that: A bottom mounting fixing plate (19) is provided on one side of the lower end of the dynamic compensation device housing (1), and a plurality of bottom mounting fixing plates (19) are provided. A fixing mounting plate (20) is installed at the rear end of the bottom mounting fixing plate (19). A wire fixing frame (21) is installed on one side of the component installation cavity (9), and the wire fixing frame (21) is connected to the dynamic compensation device housing (1) via screws.

5. The high voltage SVG dynamic compensation device according to claim 1, characterized in that: A rotating cooling fan (41) is installed inside the side cooling structure (7), a dust cover (42) is installed at the front end of the rotating cooling fan (41), and the dust cover (42) is connected to the side cooling structure (7) via a slot, a cooling block (43) is installed outside the rotating cooling fan (41), a dustproof fixing leaf (44) is installed at the front end of the dust cover (42), and the dustproof fixing leaf (44) is connected to the side cooling structure (7) via a slot.

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