CN213185524U

CN213185524U - Modularized reactive compensation module

Info

Publication number: CN213185524U
Application number: CN202021748019.1U
Authority: CN
Inventors: 黄伟昊; 黄伟轩; 蔡伟鹏
Original assignee: A Energy Electric Zhuhai Co ltd
Current assignee: A Energy Electric Zhuhai Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-11
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a modularization reactive compensation module, including quick-witted case, controller, condenser on-off switch and condenser. The rear panel of the case is provided with a plurality of wiring terminals. The controller is arranged in the case and electrically connected with the wiring terminal. The capacitor fling-cut switch is arranged in the case and electrically connected with the controller. The capacitor is arranged in the box body, one end of the capacitor is electrically connected with the capacitor fling-cut switch, and the other end of the capacitor is electrically connected with the wiring terminal. According to the modularized reactive compensation module of the technical scheme, all the parts are integrated in one box, the occupied space is small, the installation is convenient, the wiring is convenient through wiring of the wiring terminals on the rear panel of the case, and the use is convenient.

Description

Modularized reactive compensation module

Technical Field

The utility model relates to a power equipment field, in particular to modularization reactive compensation module.

Background

In the power distribution process, the filtering compensation processing is generally needed to be carried out on a power system, in the existing low-voltage power distribution system, a mode of capacitance-added reactor and switching unit compensation is generally adopted to suppress harmonic current in a power distribution grid, and meanwhile, compensation processing is carried out on reactive power in the grid.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a modularization reactive compensation module, the electric capacity among the integrated reactive compensation, switching device and controller equal a box in, the wiring is simple and occupation space is little.

According to the utility model discloses a modularization reactive power compensation module, include: the rear panel of the case is provided with a plurality of wiring terminals; the controller is arranged in the case and is electrically connected with the wiring terminal; the capacitor switching switch is arranged in the case and is electrically connected with the controller; the capacitor is arranged in the case, one end of the capacitor is electrically connected with the capacitor fling-cut switch, and the other end of the capacitor is electrically connected with the wiring terminal.

According to the utility model discloses modularization reactive power compensation module has following beneficial effect at least: the controller, the capacitor switching switch and the capacitor are integrated in one box body, so that the installation and maintenance are convenient, and the occupied space is small. The controller, the capacitor fling-cut switch and the capacitor are electrically connected with each other internally, and only a wiring terminal on the rear panel of the case needs to be connected during use, so that wiring is convenient.

According to some embodiments of the utility model, still include active filter, active filter with binding post electric connection.

According to some embodiments of the utility model, be equipped with the heat dissipation grid on the rear panel of machine case and the front panel.

According to some embodiments of the utility model, be equipped with first radiator fan on the rear panel of machine case, first radiator fan set up in one side of controller.

According to some embodiments of the present invention, one side of the active filter is provided with a second cooling fan.

According to some embodiments of the utility model, the condenser fling-cut switch is synchronous switch.

According to some embodiments of the present invention, the front panel of the case is provided with a handle.

According to some embodiments of the utility model, be equipped with the pilot lamp on the front panel of machine case, the pilot lamp with controller electric connection.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of an internal structure of a modular reactive compensation module according to an embodiment of the present invention;

fig. 2 is a schematic side view of a modular reactive compensation module according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a modular reactive compensation module according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of the modular reactive compensation module according to an embodiment of the present invention.

Reference numerals:

the cabinet 100, the handle 110, the indicator light 120, the heat dissipation grid 130,

the control unit (200) is provided with a controller,

the capacitor-switching switch (300) is,

the number of the capacitors 400 is such that,

the active filter (500) is provided with,

a first heat-dissipating fan 600 is provided,

the second heat dissipation fan 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, a modular reactive compensation module according to an embodiment of the present invention includes a chassis 100, a controller 200, a capacitor fling-cut switch 300, and a capacitor 400. Wherein, a plurality of terminals are disposed on the rear panel of the case 100, and the controller 200, the capacitor fling-cut switch 300 and the capacitor 400 are disposed inside the case 100. The controller 200 is electrically connected to the connection terminal and the capacitor fling-cut switch 300, the capacitor fling-cut switch 300 is further electrically connected to one end of the capacitor 400, and the other end of the capacitor 400 is electrically connected to the connection terminal, as shown in fig. 4. According to the modular reactive power compensation module in the technical scheme, the wiring terminal on the rear panel of the chassis 100 is electrically connected with the three-phase bus, the controller 200 collects the electric energy quality information and controls the capacitor switching switch 300 to switch the capacitor 400 into the system according to the collected electric energy quality information so as to compensate the reactive power in the system. According to the modularized reactive compensation module of the technical scheme, the controller 200, the capacitor fling-cut switch 300 and the capacitor 400 are centralized in one box, the occupied space is small, the installation is convenient, the wiring is only needed through wiring terminals, and the use is convenient. It will be appreciated that the controller 200 may be a DSP processor, an FPGA processor, or a PLC.

Referring to fig. 1, in some embodiments, the modular reactive compensation module further includes an active filter 500, and the active filter 500 is electrically connected to the connection terminal. Referring to fig. 4, the transformer and IGBT circuits of the active filter 500 are connected in parallel to the system through the connection terminals.

The modular reactive compensation module according to the embodiment of the present invention is described in detail with a specific embodiment with reference to fig. 1 to 3. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

Referring to fig. 1, in the present embodiment, in order to facilitate the heat dissipation, heat dissipation grids 130 are disposed on the front panel and the rear panel of the heat dissipation case 100. The rear panel of the chassis 100 is provided with a first cooling fan 600, the first cooling fan 600 is disposed on one side of the controller 200, and the wind direction of the first cooling fan 600 faces the rear panel of the chassis 100. A heat sink and a second heat dissipation fan 700 are provided on the front side of the active filter 500, and the wind direction of the second heat dissipation fan 700 is directed toward the front side of the chassis 100. Since the wind directions of the first cooling fan 600 and the second cooling fan 700 are opposite, the cooling air channels are not overlapped, and the heat dissipated by the controller 200 and the active filter 500 will not be affected by each other.

Referring to fig. 2 and 3, in the embodiment, the 2U enclosure 100 made of aluminum alloy is selected as the enclosure 100, a pair of handles 110 is disposed on the front panel of the enclosure 100, and an indicator light 120 is further disposed on the front panel of the enclosure 100, and the indicator light 120 is electrically connected to the controller 200, so as to indicate the operation state of the device.

In this embodiment, the capacitor switching switch 300 is a synchronous switch, so that arc-free segmentation of switch power connection can be realized, and the fault rate and the reliability are low.

According to the utility model discloses modularization reactive power compensation module, each part is integrated in a box, and occupation space is little, the installation of being convenient for, and wiring through the binding post wiring on the quick-witted case back panel, the wiring of being convenient for, convenient to use.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A modular reactive compensation module, comprising:

the rear panel of the case is provided with a plurality of wiring terminals;

the controller is arranged in the case and is electrically connected with the wiring terminal;

the capacitor switching switch is arranged in the case and is electrically connected with the controller;

the capacitor is arranged in the case, one end of the capacitor is electrically connected with the capacitor fling-cut switch, and the other end of the capacitor is electrically connected with the wiring terminal.

2. The modular reactive compensation module of claim 1, further comprising an active filter electrically connected to the connection terminal.

3. The modular reactive compensation module of claim 1, wherein heat dissipation grids are disposed on the rear panel and the front panel of the chassis.

4. The modular reactive compensation module according to claim 1, wherein a first heat dissipation fan is disposed on a rear panel of the chassis, and the first heat dissipation fan is disposed on a side of the controller.

5. The modular reactive compensation module according to claim 2, wherein a second heat dissipation fan is provided at one side of the active filter.

6. The modular reactive compensation module of claim 1, wherein the capacitor fling-cut switches are synchronous switches.

7. The modular reactive compensation module of claim 1, wherein a handle is provided on a front panel of the chassis.

8. The modular reactive compensation module of claim 1, wherein an indicator light is disposed on a front panel of the chassis, and the indicator light is electrically connected to the controller.