SVG hybrid dynamic reactive power compensation cabinet

Abstract

The utility model belongs to the field of capacitor cabinets, and provides an SVG (static var generator) hybrid dynamic reactive power compensation cabinet, which comprises a cabinet body, adjusting frames mounted in the cabinet body, mounting rods connected between the adjusting frames, and a heat dissipation mechanism mounted at the top of the cabinet body. The anti-interference mechanism is mounted in the cabinet body; the anti-interference mechanism comprises an anti-interference box, the two sides of the anti-interference box are connected with the inner wall of the cabinet body, a cross rod is installed in the anti-interference box, a plurality of SVG compensators are erected at the top of the cross rod, and a plurality of LC filters are installed at the top of the anti-interference box; according to the utility model, the anti-interference mechanism and the anti-interference plate are installed, so that the SVG compensator assembled in the cabinet body can be isolated and protected during use, the SVG compensator is prevented from being interfered by external electromagnetism, harmonic waves and high-frequency components in the output of the SVG compensator can be eliminated through the LC filter, the electromagnetic interference to adjacent equipment is effectively reduced, and the service life of the SVG compensator is prolonged. And the operation of the equipment is more stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the capacitor cabinet field, specifically a kind of SVG hybrid type dynamic reactive compensation cabinet. BACKGROUND

[0002] In power system, reactive compensation is an important means to improve power transmission capability and stability, SVG (Static Var Generator) dynamic reactive compensation device is a new type of power electronic device for dynamic harmonic suppression, compensation reactive, it realizes dynamic compensation to reactive power by quickly adjusting the phase and amplitude of output voltage, with fast response speed, compensation precision and other advantages.

[0003] However, the existing SVG hybrid type dynamic reactive compensation cabinet is susceptible to interference in complex electromagnetic environment, which affects the compensation effect. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a kind of SVG hybrid type dynamic reactive compensation cabinet to solve the existing SVG hybrid type dynamic reactive compensation cabinet in prior art in complex electromagnetic environment susceptible to interference problem.

[0005] A kind of SVG hybrid type dynamic reactive compensation cabinet, comprising:

[0006] Cabinet, the inside of the cabinet is equipped with adjusting frame, the adjusting frame is connected with mounting rod, the top of the cabinet is equipped with heat dissipation mechanism;

[0007] Anti-interference mechanism, the anti-interference mechanism is installed in the inside of the cabinet;

[0008] The anti-interference mechanism includes the anti-interference box connected with the inner wall of the cabinet on both sides, the inside of the anti-interference box is equipped with cross bar, the top of the cross bar is erected with a plurality of SVG compensators, the top of the anti-interference box is equipped with a plurality of LC filters;

[0009] Grounding mechanism, the grounding mechanism is installed below the inside of the cabinet;

[0010] The grounding mechanism includes mounting seat installed in the inside of the cabinet, the both sides of the mounting seat are connected with metal contact, the metal contact is connected with the anti-interference box and cabinet respectively, the bottom of the mounting seat is connected with grounding wire extended from the bottom of the cabinet;

[0011] Cabinet door, the cabinet door is rotatably connected on the side of cabinet by hinge, the rear end of the cabinet door is equipped with cabinet radiator, the front end of the cabinet door is equipped with anti-interference plate corresponding with the position of the anti-interference box, the inside of the anti-interference plate is equipped with ventilation window matched with the cabinet radiator.

[0012] Preferably, the anti-interference mechanism further comprises an air inlet window formed in the bottom of the anti-interference box.

[0013] Preferably, the anti-interference box is made of aluminum alloy material, and a copper foil shielding layer is attached to one side of the anti-interference box.

[0014] Preferably, a base is mounted on both sides of the bottom of the cabinet body, and a positioning hole is formed in the base.

[0015] Preferably, an air inlet window is mounted on the bottom of the cabinet body, and a waterproof filter core is mounted in the air inlet window.

[0016] Preferably, the heat dissipation mechanism comprises a fan mounted on the top of the cabinet body, and a through hole is formed in the top of the cabinet body and matched with the fan.

[0017] Preferably, a top box is mounted on the top of the cabinet body on the top of the fan, and a heat dissipation window is formed in the side of the top box.

[0018] Compared with the prior art, the anti-interference mechanism has the following beneficial effects:

[0019] 1. The anti-interference mechanism and the anti-interference plate are installed, which can isolate and protect the SVG compensator assembled in the cabinet body, avoid the SVG compensator from being disturbed by external electromagnetic interference, eliminate the harmonics and high-frequency components in the SVG compensator output through the LC filter, effectively reduce the electromagnetic interference on the adjacent equipment, and make the equipment run more stably and reliably.

[0020] 2. The grounding mechanism is used to connect the anti-interference box and the cabinet body through metal contacts, and then grounded through grounding wires, so that the static electricity and electromagnetic interference on the cabinet body and the anti-interference box can be discharged in time. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the utility model;

[0022] Figure 2 It is a rear view of the utility model;

[0023] Figure 3 It is a partial sectional view of the cabinet body and the heat dissipation mechanism of the utility model;

[0024] Figure 4 It is a structure schematic view of the anti-interference mechanism and the adjusting frame of the utility model;

[0025] Figure 5 It is a partial sectional view of the anti-interference mechanism of the utility model.

[0026] In the drawing:

[0027] 1, cabinet; 2, anti-interference mechanism; 201, anti-interference box; 202, crossbar; 203, LC filter; 204, air inlet window; 3, SVG compensator; 4, grounding mechanism; 401, mounting seat; 402, metal contact; 403, grounding wire; 5, adjusting frame; 6, mounting rod; 7, heat dissipation mechanism; 701, top box; 702, fan; 703, heat dissipation window; 8, cabinet door; 9, anti-interference plate; 10, cabinet radiator; 11, air inlet window; 12, base. DETAILED DESCRIPTION

[0028] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0029] As shown in the accompanying Figure 1 , the accompanying Figure 2 , the accompanying Figure 3 , the accompanying Figure 4 and the accompanying Figure 5 :

[0030] Example 1: The present application provides a kind of SVG hybrid type dynamic reactive compensation cabinet, comprising:

[0031] Cabinet 1, adjusting frame 5 is installed in the inside of cabinet 1, adjusting frame 5 is connected with mounting rod 6, heat dissipation mechanism 7 is installed at the top of cabinet 1;

[0032] Anti-interference mechanism 2, anti-interference mechanism 2 is installed in the inside of cabinet 1;

[0033] Anti-interference mechanism 2 includes the anti-interference box 201 connected with the inner wall of cabinet 1 on both sides, crossbar 202 is installed in the inside of anti-interference box 201, a plurality of SVG compensators 3 are erected on the top of crossbar 202, a plurality of LC filters 203 are installed on the top of anti-interference box 201;

[0034] Grounding mechanism 4, grounding mechanism 4 is installed below in the inside of cabinet 1;

[0035] Grounding mechanism 4 includes mounting seat 401 installed in the inside of cabinet 1, metal contact 402 is connected on both sides of mounting seat 401, metal contact 402 is connected with anti-interference box 201 and cabinet 1 respectively, grounding wire 403 extending from the bottom of cabinet 1 is connected on the bottom of mounting seat 401;

[0036] Cabinet door 8, cabinet door 8 is rotatably connected on one side of cabinet 1 by hinge, cabinet radiator 10 is installed at the rear end of cabinet door 8, anti-interference plate 9 corresponding with the position of anti-interference box 201 is installed at the front end of cabinet door 8, ventilation window matched with cabinet radiator 10 is formed in the inside of anti-interference plate 9.

[0037] The positions of the LC filter 203 and the SVG compensator 3 are in one-to-one correspondence, and the input terminal of the SVG compensator 3 is connected to the LC filter 203 at the corresponding position.

[0038] As can be seen from the above, when using the SVG compensator 3, it is assembled on the top of the crossbar 202. After assembly, the required components are assembled on the mounting rod 6 according to the requirements, and the components are connected. After connection, the mounting base 401 is assembled inside the cabinet 1. The metal contact 402 is connected to the anti-interference box 201 and the cabinet 1 respectively. After connection, it is grounded through the grounding wire 403 to realize the timely discharge of static electricity and electromagnetic interference on the cabinet 1 and the anti-interference box 201. After the cabinet door 8 is closed, the anti-interference plate 9 is driven by the cabinet door 8 to contact the anti-interference box 201 to form a complete sealed space, which improves the anti-electromagnetic interference effect of the SVG compensator 3.

[0039] During operation, the SVG compensator 3 can quickly adjust the phase and amplitude of the output voltage to achieve dynamic compensation of reactive power. The LC filter 203 can eliminate harmonics and high-frequency components in the output of the SVG compensator 3, which can effectively reduce electromagnetic interference to nearby equipment and ensure the waveform quality of voltage and current in the power grid. During operation, the cabinet heat sink 10 can promote the flow of gas inside the anti-interference box 201 to dissipate the heat generated by the SVG compensator 3 during operation, prevent the SVG compensator 3 from overheating and being damaged during operation, and extend its service life.

[0040] By installing the anti-interference mechanism 2 and the anti-interference plate 9, the SVG compensator 3 installed inside the cabinet 1 can be isolated and protected during use, avoiding external electromagnetic interference to the SVG compensator 3. The LC filter 203 can eliminate harmonics and high-frequency components in the output of the SVG compensator 3, effectively reducing electromagnetic interference to nearby equipment, making the equipment operation more stable and reliable. The grounding mechanism 4 can promptly discharge static electricity and electromagnetic interference on the cabinet 1 and the anti-interference box 201.

[0041] As attached Figure 4 and attached Figure 5 As shown:

[0042] Specifically, regarding the aforementioned anti-interference mechanism 2, the anti-interference mechanism 2 also includes an air intake window 204 located at the bottom of the anti-interference box 201.

[0043] As can be seen from the above, the air intake window 204, in conjunction with the cabinet radiator 10, can promote the flow of gas inside the anti-interference box 201 and improve the protection effect on the SVG compensator 3.

[0044] As attachedFigure 1 , as shown in Figure 3 , as shown in Figure 4 and as shown in Figure 5 , as shown in

[0045] Specifically, regarding the above-mentioned anti-interference mechanism 2 and the anti-interference plate 9, the anti-interference box 201 is made of aluminum alloy material, and the side of the anti-interference plate 9 close to the anti-interference box 201 is attached with a copper foil shielding layer.

[0046] As can be seen from the above, through the copper foil shielding layer attached to the anti-interference plate 9, when the cabinet door 8 is closed, the anti-interference plate 9 is in contact with the anti-interference box 201, so that the anti-interference box 201 forms a closed space, reduces the electromagnetic interference of the SVG compensator 3 to external equipment, and prevents the SVG compensator 3 from being interfered by external electromagnetic interference, thereby improving the anti-interference effect of the device.

[0047] As shown in Figure 1 , as shown in Figure 2 and as shown in Figure 3 , as shown in

[0048] Specifically, regarding the above-mentioned cabinet 1, the bottom of the cabinet 1 is provided with a base 12, and the inside of the base 12 is provided with a positioning hole;

[0049] The bottom of the cabinet 1 is provided with an air inlet window 11, and the inside of the air inlet window 11 is provided with a waterproof filter element.

[0050] As can be seen from the above, through the base 12, the bottom of the cabinet 1 can be kept a certain distance from the ground, improving the air circulation at the bottom of the cabinet 1, and the positioning bolt is connected between the positioning hole on the base 12 and the ground, so as to limit the position of the device. Through the air inlet window 11, the gas around the bottom of the cabinet 1 can be introduced into the inside of the cabinet 1, and the waterproof filter element can be used to filter the impurities in the gas entering the inside of the cabinet 1, so as to avoid damage to the equipment in the cabinet 1 caused by rain and dust.

[0051] As shown in Figure 1 , as shown in Figure 2 and as shown in Figure 3 , as shown in

[0052] Embodiment two: this embodiment is basically the same as the above embodiment, the difference is that:

[0053] The heat dissipation mechanism 7 includes a fan 702 installed on the top of the cabinet 1, and the top of the cabinet 1 is provided with a through hole matched with the fan 702;

[0054] The top of the fan 702 is provided with a top box 701 on the top of the cabinet 1, and the side of the top box 701 is provided with a heat dissipation window 703.

[0055] From the above, the fan 702 in the process of running, through the cabinet 1 top opening hole will be the high temperature gas inside the cabinet 1 export, and from the heat dissipation window 703 discharge, after discharge make the device around the gas through the air inlet window 11 into the inside of the cabinet 1, thereby realizing physical heat dissipation, improve the heat dissipation effect of the device, through the top box 701 can be wrapped in the use of fan 702 protection, avoid the fan 702 suffer the harm of rain.

[0056] The embodiments of the present application are given for the purpose of example and description, although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as limiting the present application, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the present application.

Claims

1. A hybrid SVG dynamic var compensation cabinet, characterized in that, Include: The cabinet body (1), the inside of the cabinet body (1) is installed with adjusting frame (5), the adjusting frame (5) is connected with installation rod (6), the top of the cabinet body (1) is installed with heat dissipation mechanism (7); Anti-interference mechanism (2), the anti-interference mechanism (2) is installed in the inside of the cabinet body (1); The anti-interference mechanism (2) includes the anti-interference box (201) connected with the inner wall of the cabinet body (1) on both sides, the inside of the anti-interference box (201) is installed with crossbar (202), the top of the crossbar (202) is erected with a plurality of SVG compensators (3), the top of the anti-interference box (201) is installed with a plurality of LC filters (203); Grounding mechanism (4), the grounding mechanism (4) is installed below the inside of the cabinet body (1); The grounding mechanism (4) includes the mounting seat (401) installed in the inside of the cabinet body (1), the both sides of the mounting seat (401) are connected with metal contact (402), the metal contact (402) is connected with the anti-interference box (201) and the cabinet body (1) respectively, the bottom of the mounting seat (401) is connected with the grounding wire (403) extending from the bottom of the cabinet body (1); Cabinet door (8), the cabinet door (8) is rotatably connected on one side of the cabinet body (1) through the hinge, the rear end of the cabinet door (8) is installed with cabinet radiator (10), the front end of the cabinet door (8) is installed with anti-interference plate (9) corresponding to the position of the anti-interference box (201), the inside of the anti-interference plate (9) is provided with ventilation window matched with the cabinet radiator (10).

2. The SVG hybrid dynamic var compensation cabinet according to claim 1, characterized in that: The anti-interference mechanism (2) further includes the air inlet window (204) opened in the bottom of the anti-interference box (201).

3. The SVG hybrid dynamic var compensation cabinet according to claim 2, characterized in that: The anti-interference box (201) is made of aluminum alloy material, one side of the anti-interference plate (9) close to the anti-interference box (201) is attached with copper foil shielding layer.

4. The SVG hybrid dynamic var compensation cabinet of claim 1, wherein: The both sides of the bottom of the cabinet body (1) are installed with base (12), the inside of the base (12) is provided with positioning hole.

5. The SVG hybrid dynamic var compensation cabinet of claim 4, wherein: The bottom of the cabinet body (1) is installed with air inlet window (11), the inside of the air inlet window (11) is installed with waterproof filter element.

6. The SVG hybrid dynamic var compensation cabinet of claim 1, wherein: The heat dissipation mechanism (7) includes fan (702) installed on the top of the cabinet body (1), the top of the cabinet body (1) is provided with through hole matched with fan (702).

7. The SVG hybrid dynamic var compensation cabinet of claim 6, wherein: The top of the cabinet body (1) is installed with top box (701) on the top of the fan (702), the side of the top box (701) is provided with heat dissipation window (703).

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