High-voltage static var generator (SVG) complete equipment

By optimizing the layout and component connection, using steel core aluminum stranded wire, buffer resistor and hollow reactor, the installation difficulties, insufficient conductivity and safety problems of the complete set of high-voltage stationary reactive power generator (SVG) devices are solved, and stable and safe power transmission and reactive power compensation effects are achieved.

CN223194278UActive Publication Date: 2025-08-05QINGDAO HANRONG ELECTRIC CO LTD
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Patent Information

Application Number
CN202421602035.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-08-05
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

The existing high-voltage stationary reactive power generator (SVG) complete sets of devices have problems such as installation and maintenance, insufficient conductivity and mechanical strength, poor heat dissipation and insufficient safety protection, and it is difficult to meet the stability and efficiency requirements of modern power systems.

Method used

It adopts optimized layout of incoming cable brackets, steel core aluminum stranded wires, buffer resistors and hollow reactors, combined with container design and fence protection to ensure the continuity and safety of power transmission, and improves heat dissipation performance through heat exchangers.

Benefits of technology

It realizes efficient power transmission and control, improves the safety and operation convenience of the device, enhances the integration and operation stability of the equipment, and adapts to the needs of modern power systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides complete equipment of a high-voltage static var generator (SVG), which relates to the technical field of var generators and comprises an inlet cable support, a three-core cable connector lug, an isolating switch and the like, and the inlet cable support is used for enabling the complete equipment of the high-voltage static var generator (SVG) to adopt optimized layout and precise assembly connection. And high-efficiency power transmission and control are ensured. And by using the steel-cored aluminum stranded wire, the conductivity and the mechanical strength of the device are improved, and stable power transmission is guaranteed. And meanwhile, the impact voltage and the short-circuit current are reduced by introducing the buffer resistor and the air-core reactor, and the safety of the equipment is improved. The container type design and the arrangement of the fence and the heat exchanger not only facilitate the integration and maintenance of the equipment, but also strengthen the safety protection and heat dissipation performance. On the whole, the device is compact in structure and convenient to operate, and a stable, safe and efficient reactive compensation and voltage regulation solution is provided for a modern power system.
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Description

Technical Field

[0001] The utility model relates to the technical field of reactive power generators, in particular to a complete set of high-voltage static reactive power generators (SVGs). Background Art

[0002] High-voltage static VAR generator (SVG) systems provide crucial reactive power compensation and voltage regulation functions for modern power systems. With increasing demands for stability and efficiency in power systems, SVGs have attracted widespread attention due to their rapid response and efficient control. However, existing drawbacks include complex layouts that can make installation and maintenance difficult, as well as the limitations of conventional clamps and stranded wire materials that limit conductivity and mechanical strength. Furthermore, these systems can suffer from poor heat dissipation and inadequate safety features. Therefore, the design of the new SVG system incorporates a compact layout, optimized component connections, and the use of high-performance materials. Snubber resistors and air-core reactors are introduced to mitigate the effects of surge voltages and short-circuit currents. Furthermore, a containerized design, protective fencing, and heat exchanger configuration enhance the system's integration, safety, and heat dissipation capabilities. These improvements help improve the system's ease of operation, reactive power compensation effectiveness, and overall operational stability, better adapting it to the demands of modern power systems. However, its practicality remains limited and requires further refinement. Utility Model Content

[0003] The purpose of this utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical solution: a high-voltage static var generator (SVG) complete set includes an incoming cable bracket, a primary incoming cable is arranged on the top of the incoming cable bracket, a three-core cable terminal is fixedly installed on the right side of the primary incoming cable, a three-core cable terminal is fixedly installed on the right side of the three-core cable terminal, an isolating switch is arranged on the right side of the isolating switch, an aluminum equipment clamp A is arranged on the right side of the aluminum equipment clamp A, a steel core aluminum stranded wire A is fixedly installed on the right side of the aluminum equipment clamp A, an outdoor circuit breaker is arranged on the right side of the outdoor circuit breaker, and a three-core cable terminal is fixedly installed on the left side of the three-core cable terminal. An aluminum equipment clamp B is installed, an aluminum equipment clamp C is fixedly installed on the right side of the outdoor circuit breaker, a steel-core aluminum stranded wire B is fixedly installed on the right side of the aluminum equipment clamp C, an aluminum equipment clamp D is fixedly installed on the right side of the steel-core aluminum stranded wire B, a buffer resistor is fixedly installed on the bottom end of the aluminum equipment clamp D, a hollow reactor is fixedly installed on the bottom end of the buffer resistor, a container is provided on the right side of the hollow reactor, a wall bushing is fixedly installed on the left side of the container, a fence is fixedly installed on the left side of the container, a heat exchanger is fixedly installed on the top of the container, and a copper-aluminum compression type equipment clamp is fixedly installed on the left side of the container.

[0005] Preferably, the three-core cable lug is positioned centrally on the primary incoming cable, which is secured to the left side of the disconnector via a three-core cable lug. This provides a more precise and secure connection. This securement helps prevent cable movement due to vibration or temperature fluctuations, ensuring continuous and safe power transmission. Furthermore, this configuration facilitates installation and maintenance, improving efficiency.

[0006] Preferably, the left side of the steel-core aluminum stranded wire A is secured to the right side of the disconnector via aluminum equipment clamp A, while the right side of the steel-core aluminum stranded wire A is secured to the left side of the outdoor circuit breaker via aluminum equipment clamp B. This optimizes the layout of the power transmission path. This configuration ensures continuous and reliable current transmission while reducing energy loss. The steel-core aluminum stranded wire has higher mechanical strength and better conductivity, making it suitable for carrying higher current loads, while the aluminum equipment clamp provides a stable connection, preventing loosening caused by vibration or temperature fluctuations.

[0007] Preferably, the outdoor circuit breaker is connected to the snubber resistor via steel-core aluminum stranded wire B. This reduces stress on the system and equipment. Using steel-core aluminum stranded wire B as the connection medium not only ensures reliable and efficient current transmission, but also provides a stable connection and long-term durability due to its excellent mechanical strength and conductivity.

[0008] Preferably, the air-core reactor is connected to the wall bushing via aluminum equipment clamps A, steel-core aluminum stranded conductor A, and copper-aluminum compression equipment clamps. This ensures the continuity of power transmission. The use of aluminum equipment clamps and copper-aluminum compression equipment clamps improves electrical conductivity, reduces power loss, and prevents loosening of the joints due to vibration or temperature fluctuations.

[0009] Preferably, the fences are evenly distributed along the left side of the container, and the heat exchangers are evenly distributed at the top of the container. This provides effective physical protection and isolation. The fences prevent unauthorized access to the equipment, reducing the risk of accidental damage. They also prevent small animals from entering and causing damage to the equipment.

[0010] Compared with the prior art, the advantages and positive effects of the present invention are:

[0011] This utility model utilizes an incoming cable support, primary incoming cable, three-core cable lug, three-core cable lug, disconnector, aluminum equipment clamp A, steel-core aluminum stranded wire A, aluminum equipment clamp B, outdoor circuit breaker, aluminum equipment clamp C, steel-core aluminum stranded wire B, aluminum equipment clamp D, snubber resistor, air-core reactor, wall bushing, fence, container, heat exchanger, and copper-aluminum compression type equipment clamp. This optimizes the layout and precise connection of components for a high-voltage static VAR generator (SVG) system, including the incoming cable support, three-core cable lug, and disconnector, ensuring efficient power transmission and control. The use of steel-core aluminum stranded wire enhances conductivity and mechanical strength, ensuring stable power transmission. Furthermore, the introduction of snubber resistors and air-core reactors reduces surge voltage and short-circuit current, improving equipment safety. The containerized design, along with its fence and heat exchanger, not only facilitates equipment integration and maintenance but also enhances safety and heat dissipation. Overall, the device has a compact structure and is easy to operate, providing a stable, safe and efficient reactive power compensation and voltage regulation solution for modern power systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a cross-sectional view of a high-voltage static VAR generator (SVG) complete set proposed in the utility model;

[0013] Figure 2 This is a front view of a high-voltage static VAR generator (SVG) complete set proposed in the utility model;

[0014] Figure 3 This is the right side view of the high-voltage static VAR generator (SVG) complete set proposed in the utility model;

[0015] Figure 4 The utility model provides a left view of a high-voltage static VAR generator (SVG) complete set.

[0016] Legend:

[0017] 1. Incoming cable bracket; 2. Primary incoming cable; 3. Three-core cable lug; 4. Three-core cable lug; 5. Disconnector; 6. Aluminum equipment wire clamp A; 7. Steel-core aluminum stranded wire A; 8. Aluminum equipment wire clamp B; 9. Outdoor circuit breaker; 10. Aluminum equipment wire clamp C; 11. Steel-core aluminum stranded wire B; 12. Aluminum equipment wire clamp D; 13. Snubber resistor; 14. Air-core reactor; 15. Wall bushing; 16. Fence; 17. Container; 18. Heat exchanger; 19. Copper-aluminum compression type equipment wire clamp. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification. Example

[0020] See also Figure 1-4The utility model provides a technical solution: a high-voltage static var generator (SVG) complete set includes an incoming cable bracket 1, a primary incoming cable 2 is arranged on the top of the incoming cable bracket 1, a three-core cable terminal 3 is fixedly installed on the right side of the primary incoming cable 2, a three-core cable terminal 4 is fixedly installed on the right side of the three-core cable terminal 3, an isolating switch 5 is arranged on the right side of the isolating switch 5, an aluminum equipment clamp A6 is arranged on the right side of the aluminum equipment clamp A6, a steel core aluminum stranded wire A7 is fixedly installed on the right side of the aluminum equipment clamp A6, an outdoor circuit breaker 9 is arranged on the right side of the aluminum equipment clamp A6, an aluminum equipment clamp B8 is fixedly installed on the left side of the outdoor circuit breaker 9, an aluminum equipment clamp C10 is fixedly installed on the right side of the outdoor circuit breaker 9, and an aluminum equipment clamp C10 is fixedly installed on the right side of the aluminum equipment clamp Steel-core aluminum stranded conductor B11 is fixed to the right side of the conductor, with an aluminum equipment clamp D12 fixed to the bottom. A snubber resistor 13 is fixed to the bottom of the aluminum equipment clamp D12, and an air-core reactor 14 is fixed to the bottom of the snubber resistor 13. A container 17 is installed to the right of the air-core reactor 14, a wall bushing 15 is fixed to the left side of the container 17, and a fence 16 is fixed to the left side of the container 17. A heat exchanger 18 is fixed to the top of the container 17, and a copper-aluminum compression equipment clamp 19 is fixed to the left side of the container 17. The high-voltage static VAR generator (SVG) system features an optimized layout and precise component connections, including the incoming cable bracket 1, three-core cable lug 3, and disconnector 5, ensuring efficient power transmission and control. The use of steel-core aluminum stranded conductor improves the system's electrical conductivity and mechanical strength, ensuring stable power transmission. Furthermore, the introduction of snubber resistor 13 and air-core reactor 14 reduces surge voltage and short-circuit current, enhancing equipment safety. The container design 17, along with its enclosure 16 and heat exchanger 18, not only facilitates equipment integration and maintenance, but also enhances safety and heat dissipation. Overall, the device boasts a compact structure and easy operation, providing a stable, safe, and efficient solution for reactive power compensation and voltage regulation in modern power systems. The three-core cable lug 3 is centrally located on the primary incoming cable 2, which is secured to the left side of the disconnector 5 via a three-core cable lug 4, ensuring a more precise and secure connection. This securement prevents cable movement due to vibration or temperature fluctuations, ensuring continuous and secure power transmission. Furthermore, this configuration facilitates installation and maintenance, improving efficiency. The left side of the steel-core aluminum stranded conductor A7 is secured to the right side of the disconnector 5 via an aluminum equipment clamp A6, while the right side of the steel-core aluminum stranded conductor A7 is secured to the left side of the outdoor circuit breaker 9 via an aluminum equipment clamp B8, optimizing the layout of the power transmission path. This configuration ensures continuous and reliable power transmission while reducing energy loss.Steel-core aluminum stranded wire (SCRI) offers superior mechanical strength and conductivity, making it suitable for carrying high current loads. Aluminum equipment clamps provide a stable connection, preventing loosening due to vibration or temperature fluctuations. The outdoor circuit breaker 9 is connected to the snubber resistor 13 via SCRI B11, thereby reducing stress on the system and equipment. The use of SCRI B11 as a connecting medium ensures reliable and efficient current transmission while also providing a stable connection and long-term durability due to its excellent mechanical strength and conductivity. The air-core reactor 14 is connected to the wall bushing 15 via aluminum equipment clamps A6, SCRI A7, and copper-aluminum compression equipment clamps 19, ensuring continuous power transmission. The use of aluminum equipment clamps and copper-aluminum compression equipment clamps 19 improves conductivity, reduces power loss, and prevents loosening due to vibration or temperature fluctuations. Fences 16 are evenly distributed on the left side of the container 17, and heat exchangers 18 are evenly distributed at the top of the container 17, providing effective physical protection and isolation. The fence 16 can prevent unrelated outside personnel from contacting the equipment, reducing the risk of accidental damage, and can also prevent small animals from entering to avoid damage to the equipment.

[0021] Working principle: When in use, first connect the primary incoming cable 2 through the three-core cable terminal 3, and fix the left side to the top of the incoming cable bracket 1, and fix the right side to the left side of the disconnector 5 through the three-core cable terminal 4. Then fix the steel core aluminum stranded wire A7 between the disconnector 5 and the outdoor circuit breaker 9 through the aluminum equipment clamp A6 and the aluminum equipment clamp B8, and connect the steel core aluminum stranded wire B11 between the outdoor circuit breaker 9 and the buffer resistor 13 through the aluminum equipment clamp C10 and the aluminum equipment clamp D12, and connect the steel core aluminum stranded wire A7 through the aluminum equipment clamp A6 and the copper The aluminum compression equipment wire clamp 19 is fixed between the hollow reactor 14 and the wall bushing 15. During use, the current starts from the incoming cable bracket 1 and flows into the interior of the disconnector 5 through the three-core cable terminal 3, and flows into the interior of the outdoor circuit breaker 9 through the steel-core aluminum stranded wire A7, and finally flows into the interior of the hollow reactor 14 through the steel-core aluminum stranded wire B11, and flows into the interior of the container 17 through the steel-core aluminum stranded wire A7. During daily use, the fence 16 can protect the container 17, and the heat exchanger 18 can cool the heat generated by the container 17.

[0022] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A high voltage static VAR generator (SVG) complete set, comprising an incoming cable support (1), characterized in that: A primary incoming cable (2) is provided at the top of the incoming cable bracket (1), a three-core cable terminal (3) is fixedly installed on the right side of the primary incoming cable (2), a three-core cable terminal lug (4) is fixedly installed on the right side of the three-core cable terminal lug (3), an isolating switch (5) is provided on the right side of the isolating switch (5), an aluminum equipment clamp A (6) is provided on the right side of the isolating switch (5), a steel core aluminum stranded wire A (7) is fixedly installed on the right side of the aluminum equipment clamp A (6), an outdoor circuit breaker (9) is provided on the right side of the aluminum equipment clamp A (6), an aluminum equipment clamp B (8) is fixedly installed on the left side of the outdoor circuit breaker (9), and an aluminum equipment clamp C (10) is fixedly installed on the right side of the outdoor circuit breaker (9) A steel core aluminum stranded wire B (11) is fixedly installed on the right side of the aluminum equipment wire clamp C (10), an aluminum equipment wire clamp D (12) is fixedly installed on the right side of the steel core aluminum stranded wire B (11), a buffer resistor (13) is fixedly installed on the bottom end of the aluminum equipment wire clamp D (12), a hollow reactor (14) is fixedly installed on the bottom end of the buffer resistor (13), a container (17) is provided on the right side of the hollow reactor (14), a wall bushing (15) is fixedly installed on the left side of the container (17), a fence (16) is fixedly installed on the left side of the container (17), a heat exchanger (18) is fixedly installed on the top of the container (17), and a copper-aluminum compression type equipment wire clamp (19) is fixedly installed on the left side of the container (17).

2. The high-voltage static VAR generator (SVG) complete device according to claim 1, characterized in that: The three-core cable terminal (3) is arranged at the center of the primary incoming cable (2), and the primary incoming cable (2) is fixed to the left side of the disconnector (5) via a three-core cable terminal lug (4).

3. The high-voltage static VAR generator (SVG) complete device according to claim 1, characterized in that: The left side of the steel core aluminum stranded wire A (7) is fixed to the right side of the disconnector (5) via an aluminum equipment clamp A (6), and the right side of the steel core aluminum stranded wire A (7) is fixed to the left side of the outdoor circuit breaker (9) via an aluminum equipment clamp B (8).

4. The high-voltage static VAR generator (SVG) complete device according to claim 1, characterized in that: The outdoor circuit breaker (9) is connected to the buffer resistor (13) via a steel-core aluminum stranded wire B (11).

5. The high-voltage static VAR generator (SVG) complete device according to claim 1, characterized in that: The air-core reactor (14) is connected to the wall bushing (15) via an aluminum equipment clamp A (6), a steel-core aluminum stranded wire A (7), and a copper-aluminum compression type equipment clamp (19).

6. The high-voltage static VAR generator (SVG) complete device according to claim 1, characterized in that: The fences (16) are evenly distributed on the left side of the container (17), and the heat exchangers (18) are evenly distributed on the top of the container (17).