CN216599019U - High-voltage reactive compensation composite device - Google Patents

Abstract

The utility model relates to a reactive power compensator technical field discloses a high pressure reactive power compensation set composite. The high-voltage reactive compensation composite device comprises a bearing table, a reactor and a circuit protection assembly, wherein the reactor is arranged on the bearing table and is electrically connected with a bus through a lead; the circuit protection assembly comprises a support frame and a vacuum circuit breaker, the support frame is arranged on the telegraph pole, and the vacuum circuit breaker is arranged on the support frame and connected with the reactor in series. The high-voltage reactive compensation composite device provided by the utility model can effectively prevent field animals from approaching the reactor or damaging the reactor, thereby improving the safety and the service life of the reactor, and reducing the maintenance and operation cost; meanwhile, when the system breaks down, the circuit protection assembly can rapidly cut off the fault current, protect the circuit and prevent the accident range from being enlarged.

Description

High-voltage reactive compensation composite device

Technical Field

The utility model relates to a reactive power compensator technical field, concretely relates to high pressure reactive power compensation set composite.

Background

With the rapid development of power systems and the continuous expansion of power grid capacity, the structure of a power grid is becoming more complex, and a reactor as a novel reactive power compensation device is rapidly developed and applied in various aspects of the power system, for example, the application in voltage stabilization in wind power systems, reactive power compensation in substations and high-voltage-level lines has shown great economic and reliable advantages.

The reactor generates a large amount of heat due to self loss in the operation process, so the heat dissipation must be considered in place when the installation mode of the reactor is designed, and the air circulation needs to be ensured when the reactor is installed indoors, so that the heat dissipation effect of the reactor is ensured. However, the whole volume of the reactor is large, and meanwhile, a large space is needed for a dedicated radiating fin configured for the reactor, if the reactor is to be installed indoors, in order to ensure a good radiating environment, a cabin cannot be avoided to be separately arranged for the reactor, and the reactor and related components thereof are all integrated in the cabin, so that the arrangement is inconvenient to arrange, the occupied space is large, and the cost is high. Therefore, in order to save indoor space and cost, the reactor is generally disposed outdoors.

However, in the prior art, when the reactor is arranged outdoors, for convenience, the reactor is usually installed on the ground, and this arrangement cannot effectively prevent some field animals such as rats from approaching the reactor and damaging the reactor, or gnaw the cable to make the reactor unable to work normally; secondly, outdoor ground is moist, and the reactor contacts with ground for a long time, can shorten the life of reactor. In addition, in the prior art, for convenience, a circuit protection component is not arranged in the series circuit of the reactor independently, and when faults such as overload, short circuit or undervoltage occur in the circuit, the power supply cannot be cut off in time, so that an electric device is burnt out, the fault range is further expanded, and the maintenance cost is increased.

Therefore, it is desirable to provide a high voltage reactive compensation composite device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure reactive compensation set composite can prevent effectively that open-air animal from being close to the reactor and causing the damage to it, guarantees the security and the running life of reactor, and protection circuit reduces and maintains and the running cost simultaneously.

To achieve the purpose, the utility model adopts the following technical proposal to realize:

a high voltage reactive compensation compounding device, comprising:

a bearing table;

the reactor is arranged on the bearing table and is electrically connected with the bus through a lead;

the circuit protection assembly comprises a support frame and a vacuum circuit breaker, wherein the support frame is arranged on the telegraph pole, and the vacuum circuit breaker is arranged on the support frame and connected with the reactor in series.

Optionally, the reactor includes:

the reactor body is arranged on the bearing table and is electrically connected with the bus;

and the magnetic control box is arranged on the bearing table and is arranged at intervals with the reactor body, and the magnetic control box is connected with the reactor body in series.

Optionally, the reactor further comprises a support, the support is arranged on the bearing table, and the magnetron box is arranged on the support.

Optionally, the electric pole pedestal further comprises a control box, the control box is arranged on one side, away from the electric pole, of the bearing platform, and the control box is connected with the magnetic control box in series.

Optionally, the power line further comprises a disconnecting switch, wherein the disconnecting switch is arranged on the power pole and is connected with the reactor in series.

Optionally, still include the lightning-arrest subassembly, the lightning-arrest subassembly includes:

the grounding grid is arranged underground;

one end of the grounding down-leading rod is connected with the grounding grid, and the other end of the grounding down-leading rod is connected with the telegraph pole;

and the lightning arrester is arranged on the telegraph pole, one end of the lightning arrester is electrically connected with the reactor, and the other end of the lightning arrester is electrically connected with the grounding down rod through the telegraph pole.

Optionally, the utility poles are arranged in two, the two utility poles are arranged at intervals along the horizontal direction, and two ends of the support frame are respectively connected to the two utility poles.

Optionally, the height of the carrier table is not less than 2.5 m.

Optionally, the load-bearing platform is made of reinforced concrete.

Optionally, a protective fence is arranged on the periphery of the bearing platform.

The utility model has the advantages that:

the utility model provides a high-voltage reactive compensation composite device, through setting up the reactor on the plummer, can prevent effectively that open-air animal from being close to the reactor or causing the damage to the reactor, guaranteed the normal operating of reactor, improved the security and the running life of reactor, reduced maintenance and running cost, can also guarantee the radiating effect of reactor simultaneously; through setting up vacuum circuit breaker, when the system normal operating, can cut off or interconnecting link in order to guarantee the normal work of reactor, when the system broke down, it can cut off fault current rapidly, prevents that the accident scope from expanding, passes through vacuum circuit breaker and sets up on the wire pole on the support frame, can save certain space, conveniently carries out rational layout to the circuit simultaneously.

Drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly and easily, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and the drawings described below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a high-voltage reactive compensation composite device provided by an embodiment of the present invention;

fig. 2 is a top view of the high-voltage reactive compensation composite device provided by the embodiment of the present invention.

In the figure:

1. a bearing table;

2. a reactor; 21. a reactor body; 22. a magnetic control box; 23. a support;

3. a circuit protection component; 31. a support frame; 32. a vacuum circuit breaker;

4. a control box;

5. an isolating switch;

6. a lightning protection assembly; 61. a lightning arrester; 62. a ground down bar;

7. protecting the fence;

8. a utility pole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 is a front view of a high-voltage reactive compensation composite device provided by the embodiment; fig. 2 shows a top view of the high-voltage reactive compensation composite device provided by the embodiment. As shown in fig. 1 and fig. 2, the present embodiment provides a high-voltage reactive power compensation composite device, which specifically includes a carrier 1, a reactor 2 and a circuit protection component 3, wherein the reactor 2 is disposed on the carrier 1, and the reactor 2 is electrically connected to a bus through a conducting wire; the circuit protection assembly 3 includes a support frame 31 and a vacuum circuit breaker 32, the support frame 31 is provided on the utility pole 8, and the vacuum circuit breaker 32 is provided on the support frame 31 and connected in series with the reactor 2. In this embodiment, the reactor 2 is a magnetic valve type controllable reactor, which works based on the principle of a magnetic amplifier, and is an iron core reactor with controllable saturation, in which alternating current and direct current are magnetized simultaneously.

The utility model provides a high-pressure reactive compensation set composite, through setting up reactor 2 on plummer 1, can prevent effectively that open-air animal from being close to reactor 2 or causing the damage to reactor 2, guaranteed reactor 2's normal operating, improved reactor 2's security and running life, reduced maintenance and running cost, set up in the open air and area is less simultaneously, ventilation condition is good, has guaranteed reactor 2's radiating effect; through setting up vacuum circuit breaker 32, when the system normal operating, can cut off or interconnecting link in order to guarantee reactor 2's normal work, when the system broke down, it can cut off the fault current rapidly, and the accident prevention scope enlarges, sets up vacuum circuit breaker 32 on wire pole 8 through support frame 31, can save certain space, conveniently carries out rational layout to the circuit simultaneously.

Alternatively, as shown in fig. 1, two utility poles 8 are provided at intervals in the horizontal direction, and both ends of the support frame 31 are connected to the two utility poles 8, respectively. It will be appreciated that the utility poles 8 are generally used for supporting and arranging the busbars and connecting wires, and the support frame 31 is disposed between the two utility poles 8, which can ensure stable support and save space.

Further, as shown in fig. 1, the reactor 2 includes a reactor body 21 and a magnetron box 22, the reactor body 21 is disposed on the plummer 1, and the reactor body 21 is electrically connected to the bus; the magnetron box 22 is arranged on the plummer 1 and spaced from the reactor body 21, and the magnetron box 22 is connected in series with the reactor body 21. It can be understood that an iron core is arranged inside the reactor body 21, a winding is wound on the iron core, a thyristor is arranged in the magnetic control box 22, the thyristor is electrically connected with the winding, and the magnetic saturation of the iron core can be changed by controlling the on and off of the thyristor, so that the inductive reactive power of an input system is changed, the running condition of a power grid is further improved, and the voltage stability and reliability of the power grid are improved.

Optionally, the reactor 2 further includes a bracket 23, the bracket 23 is disposed on the plummer 1, and the magnetron box 22 is disposed on the bracket 23. In the embodiment, the distance between the bracket 23 and the reactor body 21 is at least 1 meter, so that the situation of short circuit caused by contact between the magnetron box 22 and the reactor body 21 is avoided; meanwhile, the support 23 can isolate the magnetron box 22 from the table top of the bearing table 1, thereby avoiding the damage of devices in the magnetron box 22 caused by the humidity of the bearing table 1 and facilitating the connection and layout of circuits. In this embodiment, support 23 adopts the metal material to make, and the support 23 of metal material supports intensity better, and sets up in the open air for a long time, and its anticorrosion effect is better, and life is longer.

Further, as shown in fig. 1, the high voltage reactive compensation composite device provided in this embodiment further includes a control box 4, the control box 4 is disposed on a side of the plummer 1 away from the utility pole 8, and the control box 4 is connected in series with the magnetic control box 22. Through setting up control box 4, operating personnel can control convenient operation through man-machine interaction's mode to reactor 2. It can be understood that if the installation distance between the reactor 2 and the control box 4 is too far, the cables and optical fibers which need to be laid are long and complex, and are easy to be broken by field animals, and in the debugging or using process, the operation coordination situation between the reactor 2 and the control box 4 cannot be conveniently known at the same time, and correct feedback cannot be timely obtained when a fault occurs, and the detection and the maintenance are difficult. In the embodiment, the control box 4 is arranged on one side of the bearing platform 1 far away from the telegraph pole 8, is tightly attached to the side surface of the bearing platform 1, and is fixedly connected by screws, so that accidents such as collapse and the like are prevented; after the installation is finished, the control and debugging can be carried out on the spot, and the troubleshooting and the solving can be carried out in time when the problems of line faults and the like occur, so that a large amount of time cost and labor cost are saved, the reactor 2 can enter the running state after the debugging is successful, and the control box 4 can realize the dynamic control on the reactor 2; meanwhile, the line to be laid is shortened, and the installation cost is saved.

Further, with continued reference to fig. 1, the high-voltage reactive compensation composite device further includes a disconnecting switch 5, the disconnecting switch 5 is disposed on a utility pole 8, and the disconnecting switch 5 is connected in series with the reactor 2. It will be appreciated that when a fault occurs in the circuit or needs to be repaired, by opening the disconnector 5, a reliable insulation gap can be established, and the equipment or line to be repaired is reliably isolated from the power supply, so as to ensure the safety of the repair personnel and equipment.

Further, with continued reference to fig. 1, the high voltage reactive compensation composite device further comprises a lightning protection assembly 6, wherein the lightning protection assembly 6 comprises a grounding grid, a grounding down rod 62 and a lightning rod, and the grounding grid is arranged underground; one end of the ground down-lead bar 62 is connected with the ground net, and the other end is connected with the telegraph pole 8; the lightning arrester 61 is provided on the utility pole 8, and has one end electrically connected to the reactor 2 and the other end electrically connected to the ground down rod 62 through the utility pole 8. It can be understood that the lightning arrester 61 is in a high resistance state under a normal working voltage, only microampere current passes through the lightning arrester 61, and when the lightning arrester is struck by lightning, the resistance is sharply reduced under the action of overvoltage large current, and the overvoltage large current passes through the lightning arrester 61, the telegraph pole 8 and the ground down rod 62 in sequence and finally flows to a grounding network, so that the energy of the overvoltage is released, and the equipment is protected from the damage of high transient overvoltage during the lightning strike. In this embodiment, the arrester 61 is a zinc oxide arrester, which has excellent protection performance, light weight and stable performance, and is suitable for outdoor use.

Optionally, the height of the carrier table 1 is not less than 2.5 m. Meanwhile, the length and the width of the carrier 1 are both 2.5m to 3.5m, and in this embodiment, the length and the width of the carrier 1 are both preferably 3 m. Through the arrangement, the phenomenon that field animals are close to the reactor 2 or damage the reactor 2 can be effectively prevented, meanwhile, artificial damage is effectively avoided, normal operation of the reactor 2 is guaranteed, the safety and the service life of the reactor 2 are improved, maintenance and operation cost is reduced, and the heat dissipation effect of the reactor 2 can be guaranteed.

Further, the bearing table 1 is made of reinforced concrete. It can be understood that the reactor 2 has several tons of weight as a whole, and the bearing platform 1 made of reinforced concrete has strong bearing capacity, can not be influenced by the environment after being arranged outdoors for a long time, and has long service life.

Optionally, as shown in fig. 2, a guard rail 7 is provided on the periphery of the carrier table 1. Through setting up rail guard 7, can avoid personnel to be close reactor 2, prevent the occurence of failure, improve reactor 2's security, can also improve reactor 2's theftproof performance simultaneously. Specifically, the guard rail 7 is formed by connecting a plurality of columns and railings, the columns are all vertically arranged on the ground and used for supporting the railings, and a plurality of railings are arranged between every two columns at intervals along the vertical direction. One side of the guard rail 7 is provided with a guard rail door formed by connecting a plurality of guard rails in a vertical and horizontal mode, so that an operator can conveniently go in and out to overhaul the reactor 2. The bottom of every stand all is connected with the stand buttress, and the stand buttress sets up in the underground, can play fine fixed stay effect, and the length and the width of stand buttress are 0.5m, highly is 0.7 m. The upright posts and the railings are galvanized steel pipes, and the upright post buttress is made of concrete. The height of the guard railing 7 is 1.5-2 m, and the length and the width are 4.5-5.5 m. In the present embodiment, the height of the guard rail 7 is preferably 1.8m, and the length and width are preferably 5 m.

The high-voltage reactive compensation composite device provided by the embodiment leads a cable to a vacuum circuit breaker 32 from a bus on a telegraph pole 8, then connects the vacuum circuit breaker 32 with a disconnecting switch 5 by the cable, divides the cable into three phases at one end of the disconnecting switch 5, leads the three phases to a reactor body 21, correspondingly connects the three phases, then correspondingly connects the reactor body 21 with a magnetic control box 22, leads optical fibers from each phase of the magnetic control box 22, gathers together and sleeves a protective sleeve, then fixes the protective sleeve along the edge of a bearing table 1, and leads the optical fibers to a control box 4. It should be noted that the vacuum circuit breaker 32, the disconnecting switch 5, the reactor body 21, the magnetron box 22 and the control box 4 are all connected in series; in addition, the lightning protection component 6 and the reactor 2 are connected in parallel. Wherein, the length of the support frame 31 is about 2.6m, and the setting height of the support frame 31 is about 7.6 m; the setting height of the isolating switch is about 5.7 m; the setting height of the lightning arrester is about 4.5 m; the height of the reactor body 21 is about 1.4m, and the length of the reactor body 21 is about 1 m.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A high-voltage reactive compensation composite device, comprising:

a carrier table (1);

the reactor (2) is arranged on the bearing table (1), and the reactor (2) is electrically connected with the bus through a lead;

circuit protection subassembly (3), including support frame (31) and vacuum circuit breaker (32), support frame (31) set up on wire pole (8), vacuum circuit breaker (32) set up in on support frame (31) and with reactor (2) series connection.

2. The high-voltage reactive compensation composite device according to claim 1, characterized in that the reactor (2) comprises:

a reactor body (21) provided on the susceptor (1), the reactor body (21) being electrically connected to the bus bar;

and the magnetic control box (22) is arranged on the bearing table (1) and is arranged at intervals with the reactor body (21), and the magnetic control box (22) is connected with the reactor body (21) in series.

3. The high-voltage reactive compensation composite device according to claim 2, wherein the reactor (2) further comprises a bracket (23), the bracket (23) is arranged on the bearing platform (1), and the magnetic control box (22) is arranged on the bracket (23).

4. The high-voltage reactive compensation compound device according to claim 2, further comprising a control box (4), wherein the control box (4) is arranged on the side of the bearing platform (1) far away from the telegraph pole (8), and the control box (4) is connected with the magnetic control box (22) in series.

5. The high-voltage reactive compensation composite device according to claim 1, further comprising a disconnecting switch (5), wherein the disconnecting switch (5) is arranged on the telegraph pole (8), and the disconnecting switch (5) is connected with the reactor (2) in series.

6. The high voltage reactive compensation composite device according to claim 1, further comprising a lightning protection assembly (6), wherein the lightning protection assembly (6) comprises:

the grounding grid is arranged underground;

a ground down-lead bar (62) having one end connected to the ground net and the other end connected to the utility pole (8);

and the lightning arrester (61) is arranged on the telegraph pole (8), one end of the lightning arrester is electrically connected with the reactor (2), and the other end of the lightning arrester is electrically connected with the ground down rod (62) through the telegraph pole (8).

7. The high-voltage reactive power compensation composite device according to claim 1, wherein the number of the utility poles (8) is two, the two utility poles (8) are arranged at intervals in the horizontal direction, and both ends of the support frame (31) are respectively connected to the two utility poles (8).

8. The high voltage reactive compensation composite device according to any one of claims 1-7, characterized in that the height of the carrier table (1) is not less than 2.5 m.

9. The high-voltage reactive compensation composite device according to any one of claims 1-7, characterized in that the load-bearing platform (1) is made of reinforced concrete.

10. The high-voltage reactive compensation composite device according to any one of claims 1-7, characterized in that a protective fence (7) is arranged on the periphery of the bearing platform (1).

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