CN219067869U - Compensation capacitor single-common compensation integrated cabinet - Google Patents

Compensation capacitor single-common compensation integrated cabinet Download PDF

Info

Publication number
CN219067869U
CN219067869U CN202223572958.7U CN202223572958U CN219067869U CN 219067869 U CN219067869 U CN 219067869U CN 202223572958 U CN202223572958 U CN 202223572958U CN 219067869 U CN219067869 U CN 219067869U
Authority
CN
China
Prior art keywords
unit
cabinet
compensation
electrically connected
control unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223572958.7U
Other languages
Chinese (zh)
Inventor
周宗泉
华占峰
周宗永
童晋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yizhang Automation Technology Shanghai Co ltd
Original Assignee
Yizhang Automation Technology Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yizhang Automation Technology Shanghai Co ltd filed Critical Yizhang Automation Technology Shanghai Co ltd
Priority to CN202223572958.7U priority Critical patent/CN219067869U/en
Application granted granted Critical
Publication of CN219067869U publication Critical patent/CN219067869U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model relates to a compensation capacitor single-common compensation integrated cabinet which comprises a cabinet unit, a control unit, a circuit breaker unit, a contactor unit, a relay unit, a reactor unit and a capacitor unit. The control unit is arranged on the side wall of the cabinet unit and is electrically connected with the current transformer; the breaker unit is arranged in the cabinet unit and is electrically connected with the control unit; the contactor unit is arranged in the cabinet unit and is electrically connected with the control unit and the circuit breaker respectively; the relay unit is arranged in the cabinet unit and is electrically connected with the contactor unit; the reactor unit is arranged in the cabinet unit and is electrically connected with the relay unit; the capacitor unit is arranged in the cabinet unit and is electrically connected with the reactor unit. The utility model has the advantages of quick switching and strong circuit protection function, and realizes the series-parallel connection of the compensation capacitors and the single compensation and the common compensation.

Description

Compensation capacitor single-common compensation integrated cabinet
Technical Field
The utility model relates to the technical field of capacitance compensation cabinets, in particular to a compensation capacitance single-common compensation integrated cabinet.
Background
The capacitance compensation cabinet is used for balancing inductive loads in the power system and improving the power factor, so that the utilization rate of power electronic equipment is improved, and the service life of the power electronic equipment is prolonged.
The existing capacitance compensation cabinet comprises a three-phase co-compensation capacitance compensation cabinet and a single-phase sub-compensation capacitance compensation cabinet, and the three-phase co-compensation capacitance compensation cabinet and the single-phase sub-compensation capacitance compensation cabinet cannot perform split-phase detection and split-phase control, so that the existing capacitance compensation cabinet has single function and cannot simultaneously adapt to three-phase current and single-phase current; in addition, when the existing three-phase co-compensation capacitance compensation cabinet and the single-phase sub-compensation capacitance compensation cabinet are used, the capacitor in the existing three-phase co-compensation capacitance compensation cabinet is often influenced by harmonic current, closing inrush current and operation overvoltage under the condition of no power in compensation capacity, so that the capacitor is damaged and the power factor is reduced, the capacitor is damaged easily, and the service life of the capacitor is shortened.
At present, aiming at the problems that the existing three-phase co-compensation capacitance compensation cabinet and the single-phase sub-compensation capacitance compensation cabinet are single in function and cannot influence three-phase current and single-phase current simultaneously and the capacitor inside the three-phase current and single-phase current are easy to damage due to the influence of harmonic current, closing inrush current and operation overvoltage, no effective solution is proposed.
Disclosure of Invention
The utility model aims at overcoming the defects in the prior art, and provides a compensation capacitor single-common compensation integrated cabinet, which at least solves the problems that the existing three-phase common compensation capacitor compensation cabinet and single-phase separate compensation capacitor compensation cabinet are single in function and cannot influence three-phase current and single-phase current simultaneously, and capacitors in the three-phase current and single-phase current are easy to damage due to the influence of harmonic current, closing inrush current and operation overvoltage.
In order to achieve the above purpose, the present utility model provides a compensation capacitor single co-compensation integrated cabinet, comprising:
a cabinet unit;
the control unit is arranged on the side wall of the cabinet unit and is electrically connected with the current transformer, and is used for acquiring information acquired by the current transformer;
the circuit breaker unit is arranged in the cabinet unit and is electrically connected with the control unit;
the contactor unit is arranged in the cabinet unit and is electrically connected with the control unit and the circuit breaker respectively;
the relay unit is arranged in the cabinet unit and is electrically connected with the contactor unit;
the reactor unit is arranged in the cabinet unit and is electrically connected with the relay unit;
the capacitor unit is arranged in the cabinet unit and is electrically connected with the reactor unit;
when the control unit detects that the three-phase power factor is smaller than a first set value, the control unit controls the co-compensation capacitance element in the capacitance unit to work through the 5 contactor unit; detecting a small single-phase power factor at the control unit
Under the condition of a second set value, the control unit controls the single compensation capacitor element of the capacitor unit to work through the contactor unit.
Further, the cabinet unit includes:
a cabinet element;
the cabinet door elements are arranged at the openings of the cabinet elements through hinges respectively;
and the two handle elements are arranged on the cabinet door element.
Further, the cabinet unit further includes:
the mounting plate element is vertically arranged in the cabinet element and is used for mounting the circuit breaker unit, the contactor unit, the relay unit, the reactor unit and the capacitor unit.
5 further, the contactor unit includes:
the co-compensation capacitor contactor element is arranged in the cabinet unit and is electrically connected with the control unit, the circuit breaker unit and the relay unit respectively;
and the single-compensation capacitor contactor element is arranged in the cabinet unit and is electrically connected with the control unit, the circuit breaker unit and the relay unit.
0 further, the capacitor unit includes:
the co-compensation capacitance element is arranged in the cabinet unit and is electrically connected with the reactor unit;
and the single compensation capacitance element is arranged in the cabinet unit and is electrically connected with the reactor unit.
5 further, the compensation capacitor single-common compensation integrated cabinet further comprises:
the line row unit is arranged in the cabinet unit and is electrically connected with the control unit and the circuit breaker unit respectively.
Further, the compensation capacitor single-common compensation integrated cabinet further comprises:
the switch unit is arranged on the cabinet unit and is electrically connected with the control unit.
Further, the compensation capacitor single-common compensation integrated cabinet further comprises:
the indicating unit is arranged on the cabinet unit and is electrically connected with the control unit.
Further, the indication unit includes:
the power supply indicating element is arranged on the cabinet unit and is electrically connected with the control unit.
Further, the control unit is a power factor controller.
Compared with the prior art, the utility model has the following technical effects:
(1) According to the compensation capacitance single-common compensation integrated cabinet, the control unit is used for detecting and controlling the split phases, so that the three-phase common compensation capacitance compensation cabinet and the unidirectional split compensation capacitance compensation cabinet are not required to be separated, and the control unit is used for controlling the capacitance unit through the contact unit according to the three-phase power factor and the unidirectional power factor, so that the problems that the three-phase common compensation capacitance compensation cabinet and the single-phase split compensation capacitance compensation cabinet in the prior art are single in function and cannot influence three-phase current and single-phase current simultaneously are solved;
(2) The reactor is set as the harmonic capacitor, so that under the condition of low-voltage serial operation, harmonic waves are restrained and absorbed, the capacitor unit is protected, the influence of harmonic voltage and current and impact voltage and current is avoided, the electric energy quality is improved, the system power factor is improved, and the service life of the capacitor unit is prolonged;
(3) The utility model has the advantages of quick switching and strong circuit protection function, realizes the series-parallel connection of the compensation capacitors and the single compensation and co-compensation integration, and solves the problem that the capacitor compensation cabinet in the prior art needs to be divided into a three-phase co-compensation capacitor compensation cabinet and a single-phase sub-compensation capacitor compensation cabinet.
Drawings
FIG. 1 is a front view of a compensation capacitor single co-compensation integrated cabinet of the utility model;
FIG. 2 is a schematic mounting diagram of mounting plate elements of the compensation capacitor single co-compensation integrated cabinet of the present utility model;
FIG. 3 is a block diagram of a compensation capacitor single co-compensation integrated cabinet according to the utility model;
FIG. 4 is a schematic circuit diagram of a compensation capacitor single co-compensation integrated cabinet of the utility model;
FIG. 5 is a flow chart of an embodiment of the compensation capacitor single co-compensation integrated cabinet of the present utility model;
wherein, each reference sign is:
10. a cabinet unit; 11. a cabinet element; 12. a cabinet door element; 13. a handle element; 14. a mounting plate element;
20. a control unit;
30. a circuit breaker unit;
40. a contactor unit; 41. a co-compensation capacitor contactor; 42. a single-complement capacitor contactor;
50. a relay unit;
60. a reactor unit;
70. a capacitor unit; 71. a compensation capacitor element is compensated altogether; 72. a single compensation capacitance element;
80. a wire row unit;
90. a switching unit;
100. an indication unit; 110. an indicator element.
Detailed Description
In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items. In addition, the technical features mentioned in the different embodiments of the utility model described below can be combined with one another as long as they do not conflict with one another.
Example 1
As shown in fig. 1 to 3, the compensation capacitor single co-compensation integrated cabinet of the present utility model includes a cabinet unit 10, a control unit 20, a circuit breaker unit 30, a contactor unit 40, a relay unit 50, a reactor unit 60, and a capacitor unit 70. The control unit 20 is arranged on the cabinet unit 10, is electrically connected with the current transformer and is used for acquiring information acquired by the current transformer; the circuit breaker unit 30 is disposed inside the cabinet unit 10 and electrically connected to the control unit 20, and is used for turning on and off the power to protect the circuit; the contactor unit 40 is disposed inside the cabinet unit 10, and is electrically connected with the control unit 20 and the circuit breaker unit 30, respectively, for switching the three-phase monopole or multi-stage capacitor bank; the relay unit 50 is disposed inside the cabinet unit 10 and electrically connected to the contactor unit 40, and the relay unit 50 is used for protecting a circuit from overheating; the reactor unit 60 is disposed inside the cabinet unit 10 and electrically connected to the contactor unit 40, for protecting the capacitor unit 70; the capacitor unit 70 is disposed inside the cabinet unit 10 and electrically connected to the reactor unit 60, for reducing reactive power loss of the power grid and improving the electric power utilization rate.
The control unit 20 is a power factor controller, and is used for acquiring information acquired by the current transformer, namely, an instrument for measuring by converting primary side large current into secondary side small current, providing current information of a power grid for the power factor controller, detecting three-phase power factors of three-phase power and unidirectional power factors of single-phase power, and judging whether the three-phase power factors are smaller than a first set value or judging whether the unidirectional power factors are smaller than a second set value.
Wherein the three-phase power factor of the three-phase power and the unidirectional power factor of the unidirectional power are detected by the control unit 20, thereby realizing the split-phase detection of the power system.
The circuit breaker unit 30 is a miniature circuit breaker, and is used for switching on and off current to protect a circuit and prevent other devices from being damaged due to overlarge current in the circuit.
Wherein the relay unit 50 is a thermal overload relay.
Wherein the reactor unit 60 is a harmonic reactor.
The harmonic reactor is used for being installed at the front end of the capacitor unit 70 and connected with the capacitor unit 70 in series, so that harmonic waves can be restrained and absorbed, the capacitor can be protected, the influence of harmonic voltage and current and impact voltage and current can be avoided, the electric energy quality can be improved, the system power factor can be improved, and the service life of the capacitor can be prolonged.
Specifically, in the case where the control unit 20 detects that the three-phase power factor is smaller than the first set value, the control unit 20 controls the operation of the co-compensation capacitance element 71 in the capacitance unit 70 through the contactor unit 40; in the case where the control unit 20 detects that the single-phase power factor is smaller than the second set value, the control unit 20 controls the operation of the single-compensation capacitance element 72 of the capacitance unit 70 through the contactor unit 40.
Wherein the power factor is scaled by measuring the active power and the reactive power. Per-phase power factor pass
Figure BDA0004030949640000051
Figure BDA0004030949640000052
And (5) calculating to obtain the product. The power factor controller can detect the power factor of each phase so as to switch on the switching of the self channel control compensation capacitor.
The control unit 20 can detect the three-phase power factor and the unidirectional power factor respectively, and under the condition that the three-phase power factor is smaller than a first set value, the control unit 20 controls the co-compensation capacitance element 71 of the capacitance unit 70 to work, and under the condition that the unidirectional power factor is smaller than a second set value, the control unit 20 controls the single-compensation capacitance element 72 of the capacitance unit 70 to work, so that split-phase detection and split-phase control of current are realized, and the split-phase detection and split-phase control are not required to be divided into a three-phase co-compensation capacitance cabinet and a unidirectional split-compensation capacitance cabinet.
As shown in fig. 1, the cabinet unit 10 includes a cabinet element 11, two cabinet door elements 12, and two handle elements 13. Wherein the cabinet element 11 is provided as a square cabinet body; the two cabinet door elements 12 are respectively arranged at the opening of the cabinet element 11 through hinges, and the cabinet door elements 12 are used for protecting the cabinet element 11 and preventing devices inside the cabinet element 11 from being exposed outside; two handle members 13 are provided to the cabinet door member 12 for facilitating opening or closing of the cabinet door member 12.
The cabinet element 11 is a cabinet structure with an open side, and is used for installing the circuit breaker unit 30, the contactor unit 40, the reactor unit 60, and the capacitor unit 70.
Wherein one end of the cabinet door element 12 is mounted at the opening of the cabinet element 11 by a hinge.
In this case, the cabinet door element 12 is used for the installation of the control unit 20, i.e. the installation of the power factor controller.
The handle element 13 is a metal handle or a plastic handle.
As shown in fig. 2, the cabinet unit 10 further includes a mounting plate element 14, where the mounting plate element 14 is vertically disposed inside the cabinet element 11, for mounting the circuit breaker unit 30, the contactor unit 40, the relay unit 50, the reactor unit 60, and the capacitor unit 70, thereby avoiding electronic devices from being directly mounted on the inner sidewall of the cabinet element 11, and avoiding the electronic devices from being leaked to charge the outer sidewall of the cabinet element 11.
Wherein the mounting plate element 14 may be a plastic plate.
As shown in fig. 4, the contactor unit 40 includes a co-compensation capacitor contactor 41 element and a single-compensation capacitor contactor 42 element. The co-compensation capacitor contactor 41 is disposed inside the cabinet unit 10 and is electrically connected to the control unit 20, the circuit breaker unit 30 and the relay unit 50, respectively, for being turned on or off under the control of the control unit 20; the single-compensation capacitor contactor 42 is disposed inside the cabinet unit 10 and electrically connected to the control unit 20, the circuit breaker unit 30 and the relay unit 50, and is used for being turned on or off under the control of the control unit 20.
Wherein, the element of the co-compensation capacitor contactor 41 and the element of the single-compensation capacitor contactor 42 are arranged on the side wall of the mounting plate element 14.
Specifically, in the case where the control unit 20 detects that the three-phase power factor is smaller than the first set value, the control unit 20 controls the on of the co-compensation capacitance contactor 41 element; in the case that the control unit 20 detects that the three-phase power factor is smaller than the second set value, the control unit 20 controls the on of the element of the single supplementary capacitance contactor 42.
As shown in fig. 4, the capacitance unit 70 includes a co-compensation capacitance element 71 and a single-compensation capacitance element 72. Wherein, the co-compensation capacitance element 71 is disposed inside the cabinet unit 10 and electrically connected with the reactor unit 60; the single compensation capacitor element 72 is disposed inside the cabinet unit 10 and electrically connected to the reactor unit 60.
Specifically, the co-compensation capacitance element 71 and the single-compensation capacitance element 72 are each provided on the mounting board element 14.
The common compensation capacitor 71 and the single compensation capacitor 72 are self-healing capacitors.
The self-healing capacitor has excellent electrical property, small power factor loss, self-healing property and long service life; the container has the advantages of safety, reliability, convenient maintenance and the like because of internal fuses, temperature sensors, mechanical explosion protection and other devices inside, thereby prolonging the service life of the container.
The self-healing capacitor is a low-voltage capacitor which can quickly evaporate a metalized electrode layer around a breakdown point when breakdown occurs in an interelectrode medium and automatically recover the performance of the capacitor, and is a capacitor unit and a capacitor bank which are specially used for improving the power factor of an alternating-current power system with the nominal voltage below 1kV and the frequency between 15 and 60 Hz. The BSMJ type self-healing parallel capacitor unit is a rectangular, elliptic or cylindrical metal shell, has a fully-sealed structure, and is small in volume and light in weight; excellent electrical property, small power factor loss, self-healing property and long service life; the container is internally provided with devices such as an internal fuse, a temperature sensor, mechanical explosion protection and the like, and is safe, reliable and convenient to maintain.
Specifically, in the case where the control unit 20 detects that the three-phase power factor is smaller than the first set value, the control unit 20 controls the on of the co-compensation capacitance contactor 41 element, thereby turning on the co-compensation capacitance element 71 to operate the co-compensation capacitance element 71; in the case where the control unit 20 detects that the three-phase power factor is smaller than the second set value, the control unit 20 controls the on of the one-time compensation capacitor contactor 42 element, thereby turning on the one-time compensation capacitor element 72 to operate the one-time compensation capacitor element 72.
In some embodiments, the compensation capacitor single-co-compensation integrated cabinet further includes a line-bank unit 80, where the line-bank unit 80 is disposed inside the cabinet unit 10 and electrically connected to the control unit 20 and the circuit breaker unit 30, respectively, for carrying current.
Specifically, the wire row unit 80 is provided to a side wall of the mounting plate member 14.
The busbar unit 80 is a three-phase busbar.
In some embodiments, as shown in fig. 1, the compensation capacitor single-co-compensation integrated cabinet further includes a switch unit 90, where the switch unit 90 is disposed in the cabinet unit 10 and is electrically connected to the control unit 20 and the mains supply, respectively, for controlling on-off of the mains supply, and controlling the mains supply to supply power to the control unit 20.
Specifically, the switching unit 90 is provided to a side wall of the mounting plate member 14.
Wherein the switching unit 90 is a power switch.
In some embodiments, as shown in fig. 1, the compensation capacitor single co-compensation integrated cabinet further includes an indication unit 100, where the indication unit 100 is disposed in the cabinet unit 10 and electrically connected to the control unit 20, for providing indication information.
Specifically, the indication unit 100 is provided on the outer side wall of the cabinet door element 12.
Wherein, the indication unit 100 is an indication lamp.
The indication unit 100 includes a power indication element 110, where the power indication element 110 is disposed on a side wall of the cabinet unit 10 and electrically connected to the control unit 20, and is used for indicating whether the control unit 20 is connected to a power supply.
Specifically, the power indication element 110 is disposed on an outer side wall of the cabinet door element 12.
Wherein, the power indicator 110 is a power indicator light.
In some embodiments, as shown in fig. 1, the indicating element 110 further includes a fault indicating element 110, where the fault indicating element 110 is disposed on a side wall of the cabinet element 11 and is electrically connected to the control unit 20, so as to provide indication information when the compensation capacitor single co-compensation integrated cabinet fails.
Specifically, the power indication element 110 is disposed on an outer side wall of the cabinet door element 12.
Wherein the fault indication element 110 is a fault indicator light.
Wherein, the light color of the power indication element 110 and the light color of the fault indication element 110 may be set to different colors.
The working principle of the utility model is as follows:
the worker turns on the switching unit 90 to supply power to the control unit 20;
the control unit 20 acquires information acquired by the current transformer and detects a three-phase power factor or a unidirectional power factor based on the information;
in the case where the control unit 20 detects that the three-phase power factor is smaller than the first set value, the control unit 20 controls the on of the co-compensation capacitance contactor 41 element, thereby turning on the co-compensation capacitance element 71 to operate the co-compensation capacitance element 71;
in the case where the control unit 20 detects that the three-phase power factor is smaller than the second set value, the control unit 20 controls the on of the one-time compensation capacitor contactor 42 element, thereby turning on the one-time compensation capacitor element 72 to operate the one-time compensation capacitor element 72.
The utility model controls the switching of the capacitor bank by using the power factor controller, can automatically find a higher technical scheme, reduce switching times, improve the service life of the system, has two working modes of manual operation and automatic operation, is convenient for users to install and pick up food, has the functions of judging and displaying overvoltage and undervoltage and rapidly cutting off the capacitor bank, and prevents the capacitor bank from operating under the overvoltage condition.
According to the utility model, the multiple groups of special contactors for the capacitors are used, and the closing and the opening of the contactors are controlled by the power factor controller, so that the compensation of reactive power of each phase and the common compensation of reactive power of three phases are realized, the power factor of a power grid is improved, and the electricity cost is saved.
Example 2
This example is a specific implementation of example 1.
As shown in fig. 5, after the circuit is electrified, the current transformer collects information and transmits the information to the power factor controller, the power factor controller judges whether the three-phase power factor is smaller than a set value, and under the condition that the three-phase power factor is smaller than the set value, the power factor controller is connected with the co-compensation control loop so as to enable the co-compensation capacitor contactor to be communicated, and then the co-compensation capacitor starts to work; under the condition that the power factor is smaller than the set value when the power factor judges that the unidirectional power factor is smaller than the set value, the power factor controller is connected with the single-compensation control loop, then the single-compensation capacitor contactor is connected, and the single-compensation capacitor works.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A compensation electric capacity singly mends integrative cabinet altogether which characterized in that includes:
a cabinet unit;
the control unit is arranged on the side wall of the cabinet unit and is electrically connected with the current transformer, and is used for acquiring information acquired by the current transformer;
the circuit breaker unit is arranged in the cabinet unit and is electrically connected with the control unit;
the contactor unit is arranged in the cabinet unit and is electrically connected with the control unit and the circuit breaker respectively;
the relay unit is arranged in the cabinet unit and is electrically connected with the contactor unit;
the reactor unit is arranged in the cabinet unit and is electrically connected with the relay unit;
the capacitor unit is arranged in the cabinet unit and is electrically connected with the reactor unit;
when the control unit detects that the three-phase power factor is smaller than a first set value, the control unit controls a co-compensation capacitance element in the capacitance unit to work through the contactor unit; and under the condition that the control unit detects that the single-phase power factor is smaller than a second set value, the control unit controls the single-compensation capacitance element of the capacitance unit to work through the contactor unit.
2. The compensation capacitor single co-compensation integrated cabinet of claim 1, wherein the cabinet unit comprises:
a cabinet element;
the two cabinet door elements are respectively arranged at the openings of the cabinet elements through hinges;
and the two handle elements are arranged on the cabinet door element.
3. The compensation capacitor single co-compensation integrated cabinet of claim 2, wherein the cabinet unit further comprises:
the mounting plate element is vertically arranged in the cabinet element and is used for mounting the circuit breaker unit, the contactor unit, the relay unit, the reactor unit and the capacitor unit.
4. The compensation capacitor single co-compensation integrated cabinet of claim 1, wherein the contactor unit comprises:
the co-compensation capacitor contactor element is arranged in the cabinet unit and is electrically connected with the control unit, the circuit breaker unit and the relay unit respectively;
and the single-compensation capacitor contactor element is arranged in the cabinet unit and is electrically connected with the control unit, the circuit breaker unit and the relay unit.
5. The compensation capacitor single co-compensation integrated cabinet of claim 1, wherein the capacitor unit comprises:
the co-compensation capacitance element is arranged in the cabinet unit and is electrically connected with the reactor unit;
and the single compensation capacitance element is arranged in the cabinet unit and is electrically connected with the reactor unit.
6. The compensation capacitor single co-compensation integrated cabinet of claim 1, further comprising:
the line row unit is arranged in the cabinet unit and is electrically connected with the control unit and the circuit breaker unit respectively.
7. The compensation capacitor single co-compensation integrated cabinet of claim 1, further comprising:
the switch unit is arranged on the cabinet unit and is electrically connected with the control unit.
8. The compensation capacitor single co-compensation integrated cabinet of claim 7, further comprising:
the indicating unit is arranged on the cabinet unit and is electrically connected with the control unit.
9. The compensation capacitor single co-compensation integrated cabinet of claim 8, wherein the indication unit comprises:
the power supply indicating element is arranged on the cabinet unit and is electrically connected with the control unit.
10. The compensation capacitor single co-compensation integrated cabinet of claim 1, wherein the control unit is a power factor controller.
CN202223572958.7U 2022-12-30 2022-12-30 Compensation capacitor single-common compensation integrated cabinet Active CN219067869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223572958.7U CN219067869U (en) 2022-12-30 2022-12-30 Compensation capacitor single-common compensation integrated cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223572958.7U CN219067869U (en) 2022-12-30 2022-12-30 Compensation capacitor single-common compensation integrated cabinet

Publications (1)

Publication Number Publication Date
CN219067869U true CN219067869U (en) 2023-05-23

Family

ID=86375810

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223572958.7U Active CN219067869U (en) 2022-12-30 2022-12-30 Compensation capacitor single-common compensation integrated cabinet

Country Status (1)

Country Link
CN (1) CN219067869U (en)

Similar Documents

Publication Publication Date Title
US20120068540A1 (en) Energy storage system for balancing load of power grid
US9876359B2 (en) High-voltage intelligent switch alternating current capacitor
CN103248057B (en) A kind of intelligent cabinet type reactive power compensation device
CN203278012U (en) Intelligent cabinet type reactive compensation device
CN202997339U (en) Low-voltage capacitor compensation cabinet
CN102664354A (en) Multifunctional low voltage distribution cabinet
KR20130117998A (en) A electric controling box having an elctronic compensating device for reactive power
CN219067869U (en) Compensation capacitor single-common compensation integrated cabinet
EP3247011A1 (en) Multifunctional three phase power distrubution indoor/outdoor unit
CN202633748U (en) Multifunctional low-voltage distribution cabinet
CN208985864U (en) A kind of self-healing the parallel power condenser
CN214013871U (en) 660V main motor and power supply system of auxiliary machine matched with same
CN112751312A (en) Novel box transformer substation and power distribution protection system thereof
CN101841159B (en) Split-phase compensation self-healing type reactive compensation capacitor
CN215185877U (en) High-temperature detection protection reactive compensation control device
CN211654585U (en) Intelligent integrated low-voltage filtering power capacitor
CN219287137U (en) Power distribution control switch circuit and auxiliary power distribution circuit
CN215378100U (en) Possess measurement, electric leakage, temperature monitoring and integrative distribution terminal of communication
CN217562465U (en) Integrated pole-mounted circuit breaker
CN219247530U (en) Dual-power automatic switching circuit capable of identifying direct-current insulation fault
CN219592000U (en) Compact type optimized simple maintenance high-voltage compensation cabinet
CN218386942U (en) Control system of high-frequency power supply cabinet
CN215896180U (en) Low-voltage co-compensation and sub-compensation integrated parallel compensation capacitor
CN203242948U (en) High-pressure wattless automatic compensation apparatus
CN219739954U (en) Phase-failure protection device for low-voltage dual-power switch

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant