CN217935100U - Three-phase unbalance reactive power compensation device for low-voltage power distribution network - Google Patents
Three-phase unbalance reactive power compensation device for low-voltage power distribution network Download PDFInfo
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- CN217935100U CN217935100U CN202221742238.8U CN202221742238U CN217935100U CN 217935100 U CN217935100 U CN 217935100U CN 202221742238 U CN202221742238 U CN 202221742238U CN 217935100 U CN217935100 U CN 217935100U
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- reactive power
- shell body
- power compensator
- compensation device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The application provides an unbalanced three phase reactive power compensator for low voltage network, include the outside of reactive power compensator shell body is equipped with casing protection subassembly, casing protection subassembly includes shell body protective cover, insulation board, lightening hole, shell body louvre, the surface of reactive power compensator shell body opens and shuts and connects the shell body protective cover, the left fixed surface of reactive power compensator shell body connects the insulation board, the surface of insulation board is inlayed and is connected the lightening hole, the last fixed surface of reactive power compensator shell body connects the shell body louvre, the outside of reactive power compensator shell body is equipped with pole ring fixed subassembly, the reactive power compensator shell body outside is equipped with wiring punch combination spare, the reactive power compensator shell body inboard is equipped with reactive power compensation control module, the reactive power compensator shell body inboard is equipped with contravariant subassembly.
Description
Technical Field
The utility model relates to a reactive compensation field particularly, relates to an unbalanced three phase reactive power compensator for low voltage network.
Background
The existing low-voltage distribution network has certain defects in the use process and needs to be improved, the defects are that firstly, a reactive compensation device with unbalanced three phases exists in the use process of the existing low-voltage distribution network, but the reactive compensation device is lacked in the unbalanced three phases of the existing low-voltage distribution network, so that the improvement is made, and the reactive compensation device with unbalanced three phases for the low-voltage distribution network is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to the problem that the background art that exists at present provided, in order to realize the above-mentioned utility model purpose, the utility model provides a following technical scheme: a three-phase unbalance reactive power compensation device for a low-voltage distribution network is used for improving the problems. The present application is specifically such that: include the outside of reactive power compensator shell body is equipped with the casing protection subassembly, the casing protection subassembly includes shell body protective cover, insulation board, lightening hole, shell body louvre, the surface of reactive power compensator shell body opens and shuts and connects the shell body protective cover, the left fixed surface of reactive power compensator shell body connects the insulation board, the surface of insulation board is inlayed and is connected the lightening hole, the last fixed surface of reactive power compensator shell body connects the shell body louvre, the outside of reactive power compensator shell body is equipped with pole ring fixed subassembly, the reactive power compensator shell body outside is equipped with the wire hole group spare, reactive power compensator shell body inboard is equipped with the reactive power compensation control subassembly, the reactive power compensator shell body inboard is equipped with the contravariant subassembly.
As a preferable technical scheme of the application, ten lightening holes are formed, and the uniform linear arrays are arranged on the outer surface of the insulating plate and are in a straight line shape.
As the preferred technical scheme of this application, pole ring fixed subassembly includes pole ring mount, fixed pole ring, installation dead lever, the connection is inlayed to the surface of reactive power compensator shell body the pole ring mount, the external fixed surface of pole ring mount is connected the fixed pole ring, the internal surface through connection of fixed pole ring the installation dead lever.
As the preferred technical scheme of this application, the ring mount the fixed rod ring all is equipped with two, all establishes reactive power compensator shell body surface both sides are the symmetric state.
As the preferred technical scheme of this application, wiring hole subassembly includes electric wire netting electrical property positive pole wiring hole, electric wire netting electrical property negative pole wiring hole, electric wire netting electrical property ground connection wiring hole, the right surface electric connection of reactive power compensator shell body the positive pole wiring hole of electric wire netting electrical property, the lower surface electric connection in the positive pole wiring hole of electric wire netting electrical property the electric wire netting electrical property negative pole wiring hole, the upper surface electric connection in electric wire netting electrical property negative pole wiring hole the electric wire netting electrical property ground connection wiring hole.
As the preferred technical scheme of this application, reactive compensation control subassembly includes remote control ware, voltage constant voltage controller, reactive transient state controller, the internal surface electric connection of reactive compensation device shell body the remote control ware, the left surface electric connection of remote control ware voltage constant voltage controller, the right surface electric connection of remote control ware the reactive transient state controller.
As a preferred technical solution of the present application, the inverter assembly includes an inverter and an inverter bridge pulser, the lower surface of the remote controller is electrically connected to the inverter, and the side surface of the inverter is electrically connected to the inverter bridge pulser.
Compared with the prior art, the beneficial effects of the utility model are that:
in the scheme of the application:
1. the voltage constant voltage controller and the reactive transient controller in the reactive compensation control assembly are used for realizing the connection of the power grid and the compensation device, so that voltage, current and temperature signals of the power grid are transmitted into the compensation device, the remote controller is used for controlling the compensation device to compensate three-phase unbalance of the power grid at a remote place, and the voltage constant voltage controller and the reactive transient controller provide voltage for stabilizing the power grid and state of the reactive compensation device;
2. through dc-to-ac converter and inverter bridge pulser among the contravariant subassembly, realized when voltage, electric current, the temperature signal of electric wire netting spread into to compensation arrangement in, electric wire netting voltage probably is in the reverse flow, through the inverter, the effectual voltage that will be in the reverse flow carries out the contravariant, and inverter side is equipped with inverter bridge pulser, can carry out the contravariant pulse when the voltage contravariant, plays the effect of buffering to the contravariant.
Description of the drawings:
fig. 1 is a main sectional view of a three-phase unbalance reactive power compensation device of a low-voltage distribution network provided by the present application;
fig. 2 is a top cross-sectional view of a three-phase imbalance reactive power compensation device of a low-voltage distribution network provided by the present application;
fig. 3 is a schematic structural diagram of a three-phase unbalanced reactive power compensation device of a low-voltage distribution network provided by the present application;
fig. 4 is a schematic rear-side structural diagram of a three-phase unbalanced reactive power compensation device of a low-voltage distribution network provided by the present application;
fig. 5 is a top view of a three-phase unbalance reactive power compensation device of a low-voltage distribution network provided by the present application;
fig. 6 is a left side view of the three-phase unbalance reactive power compensation device of the low-voltage distribution network provided by the present application;
fig. 7 is a bottom view of the three-phase unbalanced reactive power compensation device of the low-voltage distribution network provided by the present application.
Good time and bad time of device state
The following are marked in the figure:
1. a reactive power compensation device outer shell;
2. a housing protection assembly; 201. a protective cover of the outer shell; 202. an insulating plate; 2021. lightening holes; 203. a heat dissipation hole of the outer shell;
3. a rod ring fixing assembly; 301. a rod ring fixing frame; 3011. a fixed rod ring; 302. mounting a fixed rod;
4. a wire hole assembly; 401. a power grid electrical positive wiring hole; 402. a power grid electrical negative wiring hole; 403. an electric grounding wiring hole of the power grid;
5. a reactive compensation control component; 501. a remote controller; 502. a voltage constant voltage controller; 503. a reactive transient controller;
6. an inverting component; 601. an inverter; 602. an inverter bridge pulser.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are some, not all embodiments of the invention.
Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
As shown in fig. 1 to fig. 7, the embodiment provides an unbalanced three-phase reactive power compensation device for a low-voltage power distribution network, which includes a shell protection assembly 2 disposed outside a shell 1 of the reactive power compensation device, the shell protection assembly 2 includes a shell protection cover 201, an insulation board 202, lightening holes 2021, and shell heat dissipation holes 203, the outer surface of the shell 1 of the reactive power compensation device is open and close to connect the shell protection cover 201, the left surface of the shell 1 of the reactive power compensation device is fixedly connected to the insulation board 202, the outer surface of the insulation board 202 is inlaid with the lightening holes 2021, the upper surface of the shell 1 of the reactive power compensation device is fixedly connected to the shell heat dissipation holes 203, a rod ring fixing assembly 3 is disposed outside the shell 1 of the reactive power compensation device, a wiring hole assembly 4 is disposed outside the shell 1 of the reactive power compensation device, a reactive power compensation control assembly 5 is disposed inside the shell 1 of the reactive power compensation device, and an inverter assembly 6 is disposed inside the shell 1 of the reactive power compensation device.
In a preferred embodiment, in addition to the above embodiment, ten lightening holes 2021 are provided, and the uniform linear array is formed on the outer surface of the insulating plate 202 in a straight line shape.
In a preferred embodiment, in addition to the above-described embodiment, the rod ring fixing assembly 3 further includes a rod ring fixing frame 301, a fixing rod ring 3011, and a fixing rod 302, the rod ring fixing frame 301 is embedded and connected to an outer surface of the reactive power compensation device outer casing 1, the fixing rod ring 3011 is fixedly connected to an outer surface of the rod ring fixing frame 301, and the fixing rod 302 is connected to an inner surface of the fixing rod ring 3011 through penetration.
In a preferred embodiment, in addition to the above-described embodiment, two ring fixing frames 301 and two fixing rod rings 3011 are provided, and are provided on both sides of the surface of the outer shell 1 of the reactive power compensator in a symmetrical state.
As a preferred embodiment, on the basis of the above manner, the wiring hole assembly 4 further includes a grid electrical positive wiring hole 401, a grid electrical negative wiring hole 402, and a grid electrical grounding wiring hole 403, the right surface of the reactive power compensation device outer shell 1 is electrically connected to the grid electrical positive wiring hole 401, the lower surface of the grid electrical positive wiring hole 401 is electrically connected to the grid electrical negative wiring hole 402, and the upper surface of the grid electrical negative wiring hole 402 is electrically connected to the grid electrical grounding wiring hole 403.
In a preferred embodiment, based on the above-mentioned manner, the reactive compensation control component 5 further includes a remote controller 501, a voltage constant voltage controller 502, and a reactive transient controller 503, wherein the remote controller 501 is electrically connected to the inner surface of the outer shell 1 of the reactive compensation device, the voltage constant voltage controller 502 is electrically connected to the left surface of the remote controller 501, and the reactive transient controller 503 is electrically connected to the right surface of the remote controller 501.
In a preferred embodiment, in addition to the above-mentioned embodiment, the inverter module 6 further includes an inverter 601 and an inverter bridge pulser 602, wherein the lower surface of the remote controller 501 is electrically connected to the inverter 601, and the side surface of the inverter 601 is electrically connected to the inverter bridge pulser 602.
A three-phase imbalance reactive power compensation device for a low voltage distribution network, when in use: firstly, the protective cover 201 of the outer shell needs to be moved to the surface of the outer shell 1 of the reactive power compensation device for protecting internal components, and the rod ring fixing frame 301 is arranged on the surface of the outer shell 1 of the reactive power compensation device, so that the installation fixing rod 302 penetrates through the fixing rod ring 3011 to be fixed, secondly, a power grid is connected with the power grid electrical positive wiring hole 401, the power grid electrical negative wiring hole 402 and the power grid electrical grounding wiring hole 403, voltage, current and temperature signals of the power grid are effectively transmitted into the compensation device, because the insulating plate 202 is arranged on the side of the outer shell, the effect of insulating the power grid is achieved, remote compensation needs to be carried out by the remote controller 501, the voltage constant voltage controller 502 and the reactive transient controller 503 are respectively used for stabilizing the voltage of the power grid and the state of the reactive power compensation device, and finally, when the voltage is transmitted into the compensation device, the voltage of the power grid can be in a reverse flow state, the voltage can be effectively inverted by the inverter 601, the inverter can carry out inversion pulse when the voltage is inverted, and the effect of buffering is achieved.
In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, or the orientation or position relationship that the skilled person usually understands, and such terms are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all the technical solutions and modifications without departing from the spirit and scope of the present invention are covered by the claims of the present invention.
Claims (7)
1. The utility model provides an unbalanced three phase reactive power compensator for low voltage distribution network, includes reactive power compensator shell body (1), its characterized in that, the outside of reactive power compensator shell body (1) is equipped with casing protection subassembly (2), casing protection subassembly (2) include shell body protective cover (201), insulation board (202), lightening hole (2021), shell body louvre (203), the surface of reactive power compensator shell body (1) opens and shuts the connection shell body protective cover (201), the left fixed surface of reactive power compensator shell body (1) connects insulation board (202), the surface of insulation board (202) is inlayed and is connected lightening hole (2021), the last fixed surface of reactive power compensator shell body (1) connects shell body louvre (203), the outside of reactive power compensator shell body (1) is equipped with pole ring fixed component (3), the reactive power compensator shell body (1) outside is equipped with wiring punch combination spare (4), reactive power compensator shell body (1) inboard is equipped with reactive power compensation control assembly (5), reactive power compensator shell body (1) inboard is equipped with contravariant subassembly (6).
2. The reactive compensation device for three-phase unbalance of a low-voltage distribution network according to claim 1, characterized in that the lightening holes (2021) are provided with ten uniform linear arrays which are in a straight shape on the outer surface of the insulating plate (202).
3. The unbalanced three phase reactive power compensation device of claim 1, wherein the rod-ring fixing assembly (3) comprises a rod-ring fixing frame (301), a fixing rod ring (3011) and a fixing rod (302), the outer surface of the outer shell (1) of the reactive power compensation device is connected with the rod-ring fixing frame (301) in an embedded manner, the outer surface of the rod-ring fixing frame (301) is fixedly connected with the fixing rod ring (3011), and the inner surface of the fixing rod ring (3011) is connected with the fixing rod (302) in a penetrating manner.
4. The unbalanced three phase reactive power compensator for low voltage distribution network of claim 3, characterized in that the ring holder (301) and the fixed rod ring (3011) are provided with two symmetrical ring holders on both sides of the surface of the reactive power compensator outer casing (1).
5. The unbalanced three phase reactive power compensation device of claim 1, wherein the wiring hole assembly (4) comprises a grid electrical positive wiring hole (401), a grid electrical negative wiring hole (402), and a grid electrical grounding wiring hole (403), the right surface of the reactive power compensation device outer casing (1) is electrically connected to the grid electrical positive wiring hole (401), the lower surface of the grid electrical positive wiring hole (401) is electrically connected to the grid electrical negative wiring hole (402), and the upper surface of the grid electrical negative wiring hole (402) is electrically connected to the grid electrical grounding wiring hole (403).
6. The unbalanced three phase reactive power compensation device for low voltage distribution network of claim 1, wherein the reactive power compensation control assembly (5) comprises a remote controller (501), a voltage constant voltage controller (502) and a reactive transient controller (503), the inner surface of the outer casing (1) of the reactive power compensation device is electrically connected with the remote controller (501), the left surface of the remote controller (501) is electrically connected with the voltage constant voltage controller (502), and the right surface of the remote controller (501) is electrically connected with the reactive transient controller (503).
7. The three-phase unbalance reactive power compensation device for the low-voltage distribution network according to claim 6, wherein the inverting assembly (6) comprises an inverter (601) and an inverter bridge pulser (602), the lower surface of the remote controller (501) is electrically connected with the inverter (601), and the side surface of the inverter (601) is electrically connected with the inverter bridge pulser (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742238.8U CN217935100U (en) | 2022-07-08 | 2022-07-08 | Three-phase unbalance reactive power compensation device for low-voltage power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742238.8U CN217935100U (en) | 2022-07-08 | 2022-07-08 | Three-phase unbalance reactive power compensation device for low-voltage power distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217935100U true CN217935100U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221742238.8U Active CN217935100U (en) | 2022-07-08 | 2022-07-08 | Three-phase unbalance reactive power compensation device for low-voltage power distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217935100U (en) |
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2022
- 2022-07-08 CN CN202221742238.8U patent/CN217935100U/en active Active
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