CN116761376A - Power electronic voltage regulating device - Google Patents

Power electronic voltage regulating device Download PDF

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Publication number
CN116761376A
CN116761376A CN202310743249.0A CN202310743249A CN116761376A CN 116761376 A CN116761376 A CN 116761376A CN 202310743249 A CN202310743249 A CN 202310743249A CN 116761376 A CN116761376 A CN 116761376A
Authority
CN
China
Prior art keywords
electronic voltage
module
voltage regulating
power electronic
layer
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.)
Pending
Application number
CN202310743249.0A
Other languages
Chinese (zh)
Inventor
芮庆涛
陈泽涛
刘秦铭
陈申宇
王增煜
陈志健
潘俊杰
刘浩伟
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.)
Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangzhou Power Supply Bureau of Guangdong Power Grid 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 Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority to CN202310743249.0A priority Critical patent/CN116761376A/en
Publication of CN116761376A publication Critical patent/CN116761376A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/02—Arrangements of circuit components or wiring on supporting structure
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)

Abstract

The application discloses a power electronic voltage regulating device, which comprises: the device comprises a device box body, an integrated electronic voltage regulation module and an auxiliary device module, wherein the device box body adopts a double-layer structure, and a first layer is used for assembling the auxiliary device module; the second layer is used for assembling the integrated electronic voltage regulating module; the power electronic voltage regulating device constructs an integrated electronic voltage regulating module with higher integration level by an input terminal, an output terminal, an IGBT bridge arm component, a filter circuit and a control unit, performs reactive compensation on a circuit and inhibits harmonic voltage of a power grid by controlling the IGBT bridge arm component in the module, installs a novel power electronic voltage regulating module with high integration and an auxiliary component of the novel power electronic voltage regulating module by adopting a device box body with a double-layer structure, has small volume and light weight, and solves the technical problems of large volume and inconvenient installation of the traditional self-coupling voltage regulating equipment.

Description

Power electronic voltage regulating device
Technical Field
The application relates to the technical field of power equipment, in particular to a power electronic voltage regulating device.
Background
In some mountainous areas in China, residents living more dispersedly under the influence of geographical conditions, so that the power supply radius of a low-voltage station area is overlarge, the voltage of an end user is unqualified, the problem of low voltage is serious in a busy season or in a power consumption peak period, and the problem of high voltage is prominent in a non-busy season or in a power consumption peak period. Power enterprises often employ series-connected autotransformer voltage regulating devices in the line to address such issues. However, the existing autotransformer generally adopts a contactor to realize adjustment of a voltage gear, and the whole autotransformer has the defects of low integration level, large volume and heavy weight.
Disclosure of Invention
The application provides a power electronic voltage regulating device which is used for solving the technical problems of low integration level, large volume and heavy weight of the existing self-coupling voltage regulating equipment.
To solve the above technical problem, a first aspect of the present application provides a power electronic voltage regulator, including: the device comprises a device box body, an integrated electronic voltage regulation module and an auxiliary device module;
the device box body is of a double-layer structure, and a first layer is used for assembling the auxiliary device module; the second layer is used for assembling the integrated electronic voltage regulating module;
the integrated electronic voltage regulation module comprises: the IGBT bridge arm assembly comprises an input terminal, an output terminal, an IGBT bridge arm assembly, a filter circuit and a control unit, wherein the input terminal is used for being connected with a power grid side, the output terminal is used for being connected with a load side, the filter circuit is respectively arranged between the IGBT bridge arm assembly and a connecting link of the input terminal and the output terminal, and the control unit is used for controlling the IGBT bridge arm assembly.
Preferably, the auxiliary device module includes: the device comprises an incoming and outgoing line copper bar, a current transformer, an alternating current contactor, a surge protector, an air circuit breaker, a terminal bar, a communication module, a switching power supply and a driving circuit board.
Preferably, the input terminal and the output terminal are electrically connected with the in-out wire copper bar so as to be electrically connected with the grid side or the load side through the in-out wire copper bar.
Preferably, the filter circuit is in particular an LC filter circuit.
Preferably, the integrated electronic voltage regulating module further comprises: and the heat dissipation assembly is used for dissipating heat for the integrated electronic voltage regulation module.
Preferably, the heat dissipation assembly specifically includes: the radiator is adjacent to the filter inductor of the LC filter circuit, and the wind inlet side of the radiator faces the radiator.
Preferably, the double-layer structure of the device box body is specifically a front-back double-layer structure, wherein the first layer is close to a front box door of the device box body, and the second layer is close to a back surface of the device box body.
Preferably, the control unit specifically comprises: DSP-CPLD control board.
Preferably, the integrated electronic voltage regulating module is assembled in the second layer of the device box body in a hot plug mode.
Preferably, the device housing has dimensions 600mm by 300mm by 570mm.
From the above technical solutions, the embodiment of the present application has the following advantages:
the application provides a method for manufacturing a semiconductor device, which comprises the following steps: the device comprises a device box body, an integrated electronic voltage regulation module and an auxiliary device module, wherein the device box body adopts a double-layer structure, and a first layer is used for assembling the auxiliary device module; the second layer is used for assembling the integrated electronic voltage regulating module; the power electronic voltage regulating device constructs an integrated electronic voltage regulating module with higher integration level by an input terminal, an output terminal, an IGBT bridge arm component, a filter circuit and a control unit, performs reactive compensation on a circuit and inhibits harmonic voltage of a power grid by controlling the IGBT bridge arm component in the module, installs a novel power electronic voltage regulating module with high integration and an auxiliary component of the novel power electronic voltage regulating module by adopting a device box body with a double-layer structure, has small volume and light weight, and solves the technical problems of large volume and inconvenient installation of the traditional self-coupling voltage regulating equipment.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a power electronic voltage regulator according to the present application.
Fig. 2 is a circuit structure diagram of an integrated electronic voltage regulating module in a power electronic voltage regulating device according to the present application.
Fig. 3 is a hardware structure diagram of an integrated electronic voltage regulating module in the power electronic voltage regulating device provided by the application.
Fig. 4 is an installation schematic diagram of an auxiliary device module in the power electronic voltage regulating device provided by the application.
Fig. 5 is a schematic structural diagram of a device case in the power electronic voltage regulator according to the present application.
Fig. 6 is a schematic diagram of an installation mode of the power electronic voltage regulator provided by the application.
Wherein, the reference numerals are as follows: a device box A; 1. copper bars of the wire inlet and outlet; 2. a current transformer; 3. an alternating current contactor; 4. a surge protector; 5. an air circuit breaker; 6. a terminal block; 7. a communication module; 8. a switching power supply; 9. a driving circuit board; 10. a communication antenna; 11. an integrated electronic voltage regulating module; a1, a front door plate; a2, a top plate; a3, a right door plate; a4, a left door plate; a5, floor; a6, a rear wallboard; a7, a communication antenna mounting base; a8, a cable inlet hole; a9, a front panel mounting frame; a10, high-altitude integrated power electronic voltage regulating module mounting guide rails.
Detailed Description
The embodiment of the application provides a power electronic voltage regulating device which is used for solving the technical problems of low integration level, large volume and heavy weight of the existing self-coupling voltage regulating equipment.
In order to make the objects, features and advantages of the present application more comprehensible, the technical solutions in the embodiments of the present application are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 to 6, an embodiment of the present application provides a power electronic voltage regulator, including: the device comprises a device box body A, an integrated electronic voltage regulating module 11 and an auxiliary device module;
the device box body A is of a double-layer structure, and a first layer is used for assembling the auxiliary device module; the second layer is used for assembling the integrated electronic voltage regulating module 11, adopts a small-volume uncoupled transformer structural design, is connected between a power grid and a protected load in series, compensates and controls the voltage on the load, and the principle and the connecting circuit structure of the integrated electronic voltage regulating module 11 are shown in fig. 2.
The integrated electronic voltage regulating module 11 includes: the IGBT bridge arm assembly comprises an input terminal, an output terminal, an IGBT bridge arm assembly, a filter circuit and a control unit, wherein the input terminal is used for being connected with a power grid side, the output terminal is used for being connected with a load side, the filter circuit is respectively arranged between the IGBT bridge arm assembly and connecting links of the input terminal and the output terminal, and the control unit is used for controlling the IGBT bridge arm assembly. The IGBT bridge arm assembly comprises 8 IGBT switch devices and two energy storage capacitors, the 8 IGBT switch devices are divided into two groups and are respectively arranged on two sides of a bridge arm structure, and the two energy storage capacitors are connected in the middle of the bridge arm.
Further, as shown in fig. 4, the auxiliary device module includes: the power supply device comprises an incoming and outgoing line copper bar 1, a current transformer 2, an alternating current contactor 3, a surge protector 4, an air circuit breaker 5, a terminal bar 6, a communication module 7, a switching power supply 8 and a driving circuit board 9.
Further, the input terminal and the output terminal are electrically connected with the in-out wire copper bar 1 to be electrically connected with the grid side or the load side through the in-out wire copper bar 1.
Further, the filter circuit is specifically an LC filter circuit.
Further, the integrated electronic voltage regulating module 11 further includes: the heat dissipation assembly is used for dissipating heat of the integrated electronic voltage regulating module 11.
Further, the double-layer structure of the device box body a is specifically a front-back double-layer structure, including: front door plate A1, upper top plate A2, right side door plate A3, left side door plate A4, floor A5, back wallboard A6, communication antenna mounting base A7, cable inlet hole A8, front panel mounting bracket A9, and high-ground integrated power electronic voltage regulating module mounting guide rail A10.
The first layer is close to the front box door of the device box body A, the second layer is close to the back of the device box body A, the integrated electronic voltage regulating module 11 is assembled in a rear wall plate A6 of the device box body A, and the integrated electronic voltage regulating module is assembled to the high-altitude integrated power electronic voltage regulating module mounting guide rail A10 in a hot plug mode.
As shown in fig. 3, the heat dissipation assembly specifically includes: radiator and radiator fan, radiator and LC filter circuit's filter inductance are adjacent, radiator fan's income wind side towards radiator, integrated form electronic voltage regulation module 11's overall dimension: 440mm x 88mm x 425mm.
The control unit specifically comprises: because the integrated electronic voltage regulating module 11 of the embodiment adopts a power electronic device and a power electronic control technology, the DSP+CPLD full-digital control system is adopted for control, and microsecond operation speed and IGBT response speed less than or equal to 5ms are adopted, so that the full response speed can be finely regulated in real time according to target voltage, and the response speed is faster.
Further, the external dimensions of the structure of the application are: long x deep x high: 600mm 300mm 570mm. Compared with the traditional self-coupling voltage regulating equipment with the same capacity, the application structure is only half of the traditional self-coupling voltage regulating equipment. The power electronic voltage regulating device has small structure volume, light weight and convenient installation. The wall can be fixedly installed by using 4 expansion bolts, and the installation schematic diagram is shown in fig. 6.
To sum up, as shown in fig. 1, 2, 3 and 4, in this embodiment, auxiliary components in the apparatus, such as the idle switch, the surge protector 4, the contactor, the switching power supply 8, the terminal block 6, the communication module 7, the driving circuit board 9, the wire inlet and outlet copper bar 1, etc., are reasonably arranged on the front panel, and the highly integrated electronic voltage regulating module 11 capable of hot plugging is arranged on the rear panel, so that the structure becomes compact, the utilization rate of the space in the box body is improved, and the wire inlet and outlet are all arranged on the front panel, so as to facilitate installation and wiring. The box body of the whole equipment has small volume and convenient installation, and can be installed on a line by adopting a wall hanging or a single rod. The novel power electronic voltage regulating module with high integration has small volume, light weight, high power density and strong regulating capability, can be plugged in and pulled out by hot electricity, and is convenient to install, operate and maintain. The defects of low response speed, imprecise adjustment, large volume and inconvenient installation of the traditional self-coupling voltage regulating equipment are overcome.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A power electronic voltage regulator, comprising: the device comprises a device box body, an integrated electronic voltage regulation module and an auxiliary device module;
the device box body is of a double-layer structure, and a first layer is used for assembling the auxiliary device module; the second layer is used for assembling the integrated electronic voltage regulating module;
the integrated electronic voltage regulation module comprises: the IGBT bridge arm assembly comprises an input terminal, an output terminal, an IGBT bridge arm assembly, a filter circuit and a control unit, wherein the input terminal is used for being connected with a power grid side, the output terminal is used for being connected with a load side, the filter circuit is respectively arranged between the IGBT bridge arm assembly and a connecting link of the input terminal and the output terminal, and the control unit is used for controlling the IGBT bridge arm assembly.
2. A power electronic voltage regulator according to claim 1, wherein the auxiliary device module comprises: the device comprises an incoming and outgoing line copper bar, a current transformer, an alternating current contactor, a surge protector, an air circuit breaker, a terminal bar, a communication module, a switching power supply and a driving circuit board.
3. A power electronic voltage regulating device according to claim 2, wherein the input terminal, the output terminal and the incoming and outgoing line copper bar are electrically connected to be electrically connected to the grid side or the load side through the incoming and outgoing line copper bar.
4. A power electronic voltage regulating device according to claim 1, characterized in that the filter circuit is in particular an LC filter circuit.
5. The power electronic voltage regulator of claim 4, wherein the integrated electronic voltage regulator module further comprises: and the heat dissipation assembly is used for dissipating heat for the integrated electronic voltage regulation module.
6. The power electronic voltage regulator of claim 5, wherein the heat dissipating assembly comprises: the radiator is adjacent to the filter inductor of the LC filter circuit, and the wind inlet side of the radiator faces the radiator.
7. A power electronic voltage regulator according to claim 1, wherein the double layer structure of the device housing is specifically a front-back double layer structure, wherein the first layer is near a front door of the device housing, and the second layer is near a back face of the device housing.
8. A power electronic voltage regulating device according to claim 1, characterized in that the control unit is in particular: DSP-CPLD control board.
9. A power electronic voltage regulator according to claim 1, wherein the integrated electronic voltage regulating module is assembled in the second layer of the device housing by hot plug.
10. A power electronic voltage regulating device according to claim 1, wherein the device housing has dimensions 600mm 300mm 570mm.
CN202310743249.0A 2023-06-21 2023-06-21 Power electronic voltage regulating device Pending CN116761376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310743249.0A CN116761376A (en) 2023-06-21 2023-06-21 Power electronic voltage regulating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310743249.0A CN116761376A (en) 2023-06-21 2023-06-21 Power electronic voltage regulating device

Publications (1)

Publication Number Publication Date
CN116761376A true CN116761376A (en) 2023-09-15

Family

ID=87952951

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310743249.0A Pending CN116761376A (en) 2023-06-21 2023-06-21 Power electronic voltage regulating device

Country Status (1)

Country Link
CN (1) CN116761376A (en)

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