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WO2021096297A1 - Système d'onduleur modulaire à fonction spécifique - Google Patents

Système d'onduleur modulaire à fonction spécifique Download PDF

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Publication number
WO2021096297A1
WO2021096297A1 PCT/KR2020/016006 KR2020016006W WO2021096297A1 WO 2021096297 A1 WO2021096297 A1 WO 2021096297A1 KR 2020016006 W KR2020016006 W KR 2020016006W WO 2021096297 A1 WO2021096297 A1 WO 2021096297A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
inverter
rack unit
bus bar
rectifier
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.)
Ceased
Application number
PCT/KR2020/016006
Other languages
English (en)
Korean (ko)
Inventor
박병건
김지원
권순만
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.)
Korea Electrotechnology Research Institute KERI
Original Assignee
Korea Electrotechnology Research Institute KERI
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 Korea Electrotechnology Research Institute KERI filed Critical Korea Electrotechnology Research Institute KERI
Publication of WO2021096297A1 publication Critical patent/WO2021096297A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • 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
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters

Definitions

  • the present invention relates to a modular inverter system for each function, and more particularly, to a modular inverter system for each function configured by being modularized for each function.
  • an inverter is required in order to convert AC power supplied from a power source into DC using a rectifier, convert it into a specific frequency or voltage required, and supply it according to the load.
  • the inverter system is used not only for driving an electric motor, but also in various applications such as grid connection and wind power generation, and the modular inverter system for each function according to the present invention can also be applied to a field to which the conventionally disclosed inverter system is applied.
  • the inverter includes a power conversion unit consisting of a rectifier that converts current to DC and a power switching device that converts it back to AC, a control unit that commands the entire inverter, and a PWM generator that converts the commanded voltage into a PWM signal. It is composed.
  • the structure is complex and elements and components for each function are mixed and installed, and there is a problem in that maintenance is difficult when the elements and components of a specific function are damaged.
  • An object of the present invention is to provide a modular inverter system for each function that is easy to install and maintain by configuring the functions of an inverter system for each module in order to solve the problems of the present invention as described above.
  • the rack unit forming a plurality of mounting spaces 130 through the combination of the horizontal frame 110 and the vertical frame 120 ( 100) and;
  • a rectifier module 200 which rectifies external AC power to DC power and is modularized and installed in the mounting space 130 of the rack unit 100;
  • a plurality of inverter modules 300 that convert the DC power received from the rectifier module 200 into AC power having a preset frequency, are modularized and installed in the mounting space 130 of the rack unit 100;
  • a control module 400 that controls the inverter module 300 and is modularized and installed in the mounting space 130 of the rack unit 100;
  • Disclosed is an inverter system including a bus bar module 600 installed across the plurality of mounting spaces 130 to electrically connect the rectifier module 200 and the plurality of inverter modules 300.
  • the capacitor bank module 500 is charged with the output of the rectifier module 200 to supply DC power to the plurality of inverter modules 300, and is modularized and installed in the mounting space 130 of the rack unit 100. It may contain additionally.
  • the plurality of mounting spaces 130 may be formed in a vertical direction so that the rectifier module 200, the plurality of inverter modules 300, and the control module 400 are stacked.
  • the rectifier module 200, the capacitor bank module 500, the plurality of inverter modules 300, and the control module 400 may be sequentially stacked.
  • the bus bar module 600 includes a panel unit 610 installed to cross the plurality of mounting spaces 130 in an up-down direction on the rear side of the rack unit 100 and disposed on the panel unit 610 Thus, it may include a bus bar 620 electrically connecting the plurality of inverter modules 300 to the rectifier module 200 and an external load.
  • Each of the plurality of inverter modules 300 includes a protruding connector 310 for electrically and physically coupling with the bus bar module 600 on a rear surface, and the bus bar module 600 includes the protruding connector ( 310) and may include a connector 630 for electrical and physical coupling.
  • the connector 630 may include an elastic body 631 corresponding to the outer circumferential surface of the protruding connector 310 on an inner circumferential surface so as to be coupled through the insertion of the protruding connector 310.
  • the modular inverter system for each function according to the present invention has an advantage of easy and simple installation and maintenance by configuring each function for each module to form one inverter system.
  • the modular inverter system for each function comprises each function for each module, and is stacked and installed on a rack structure, so that the structure is simple and compact, so installation is easy, and maintenance for each modular function is easy. There is a simple advantage.
  • the modular inverter system for each function has the advantage of easy capacity change because it is easy to add and change modules when the inverter capacity is changed in the future by configuring each function for each module and stacking it on a rack structure. have.
  • the modular inverter system for each function has the advantage of performing different phase output functions by varying the arrangement of the bus bars even when the same power converter is installed through the arrangement of the bus bars installed on the rear of each module of the stacked structure. There is this.
  • the modular inverter system for each function according to the present invention, by simply pushing and pulling each module from the front of the rack structure, by using a spring connector that can be electrically fastened and detached to the bus bar, easy installation and electrical connection of each module There is an advantage.
  • FIG. 1 is a perspective view showing a state of a modular inverter system for each function according to the present invention.
  • FIG. 2 is a conceptual diagram showing an electrical configuration of the inverter system of FIG. 1.
  • FIG. 3 is a perspective view illustrating an inverter module in the inverter system of FIG. 1.
  • FIG. 4 is a front view showing a state in which a bus bar module is installed in a rack portion of the inverter system of FIG. 1.
  • FIG. 5 is a side view showing an inverter module installed on a bus bar module among the inverter system of FIG. 1.
  • FIG. 6 is a perspective view illustrating a connector in the inverter system of FIG. 1.
  • FIG. 7A and 7B are cross-sectional views illustrating a state in which a protruding connector is coupled to a connector in the inverter system of FIG. 1.
  • a modular inverter system for each function according to the present invention as shown in Figs. 1 to 5, a plurality of mounting spaces 130 through a combination of the horizontal frame 110, the horizontal frame 110, and the vertical frame 120 A rack unit 100 forming them;
  • a rectifier module 200 which rectifies external AC power to DC power and is modularized and installed in the mounting space 130 of the rack unit 100;
  • a plurality of inverter modules 300 that convert the DC power received from the rectifier module 200 into AC power having a preset frequency, are modularized and installed in the mounting space 130 of the rack unit 100;
  • a control module 400 that controls the inverter module 300 and is modularized and installed in the mounting space 130 of the rack unit 100;
  • a bus bar module 600 installed across the plurality of mounting spaces 130 to electrically connect the rectifier module 200 and the plurality of inverter modules 300.
  • the inverter system according to the present invention is charged with the output of the rectifier module 200 to supply DC power to the plurality of inverter modules 300, and is modularized and installed in the mounting space 130 of the rack unit 100.
  • a capacitor bank module 500 may be additionally included.
  • the rack unit 100 is configured to form a plurality of mounting spaces 130 through a combination of the horizontal frame 110 and the vertical frame 120, and various configurations are possible.
  • the rack unit 100 includes a plurality of mounting spaces 130 formed so that the rectifier module 200, a plurality of inverter modules 300, and the control module 400 are stacked and installed, and a mounting space ( It may include a horizontal frame 110 and a vertical frame 120 coupled to each other so that 130) are formed.
  • the rack unit 100 may be configured to form mounting spaces 130 having the same size so that each module is installed, or may be provided to form mounting spaces 130 having an optimized size for each module.
  • the mounting space 130 may be formed.
  • the rack unit 100 may further include a rear portion 140 and a side portion 150 for protecting each module from the outside in a state in which each module is installed in the plurality of mounting spaces 130.
  • the rack unit 100, the front portion may be opened so that each module can be inserted into the mounting space 130 from the front, and a bus bar module 600 to be described later at a position spaced apart from the rear portion 140 at a predetermined interval. Is installed, it is possible to electrically and physically connect to the bus bar module 600 simply by inserting each module from the front side.
  • the horizontal frame 110 and the vertical frame 120 are combined with each other so that a plurality of mounting spaces 130 are formed, and various configurations are possible.
  • the plurality of mounting spaces 130 are spaces in which configurations of the rectifier module 200, the plurality of inverter modules 300, the control module 400, and the capacitor bank module 500 are respectively modularized and installed, and various configurations are possible. Do.
  • the plurality of mounting spaces 130 are spaces formed by the horizontal frame 110 and the vertical frame 120, and are formed in sizes optimized for each module so that each module is installed.
  • the plurality of mounting spaces 130 may be formed in a vertical direction so that the rectifier module 200, the plurality of inverter modules 300, and the control module 400 are stacked.
  • the plurality of mounting spaces 130 may have a layered structure and may be formed in the rack unit 100, and modules for each modular function may be stacked and installed.
  • the rectifier module 200, the capacitor bank module 500, the plurality of inverter modules 300 and the control module 400 may be sequentially stacked from the lower side of the rack unit 100, and more specifically 1, a rectifier module 200 is installed on the lowermost layer, a capacitor bank module 500, and three inverter modules 300 are stacked thereon, and a control module 400 is installed on the uppermost layer. I can.
  • modules for each function can be electrically connected through the bus bar module 600 to be described later, and furthermore, capacity change, especially when expansion is required, through addition of modules or change of modules according to expansion of the rack unit 100 The capacity can be easily changed.
  • modules for each function are modularized and installed, when a specific function is damaged, it is possible to relatively easily perform maintenance of the entire inverter system by changing or maintaining only the module of the corresponding function.
  • the rectifier module 200 rectifies external AC power to DC power, is modularized, and installed in the mounting space 130 of the rack unit 100, and various configurations are possible.
  • the rectifier module 200 may have a configuration including a diode element, a DC link capacitor, a voltage sensor, and a signal interface.
  • the rectifier module 200 includes a rectifier housing 210 forming an internal space and a bus bar to be described later outside the rectifier housing 210 so that it can be installed in the rack unit 100 through a modular configuration.
  • a rectifier connector 220 for electrical and physical connection to the module 600 may be included.
  • the rectifier module 200 may be configured as one module by arranging and installing a diode element, a DC link capacitor, a voltage sensor, and a signal interface inside the rectifier housing 210.
  • the rectifier module 200 can be applied to any type of rectifier configuration disclosed in the prior art, for example, any form such as an electromagnetic tube rectifier, a silicon rectifier, a thyristor rectifier can be applied.
  • the rectifier housing 210 is a configuration that forms an internal space in which a detailed configuration of the rectifier module 200 is installed, and various configurations are possible.
  • the rectifier housing 210 may be installed in the mounting space 130 formed in the rack unit 100 by modularizing the rectifier module 200.
  • the rectifier connector 220 is a configuration for electrical and physical connection with the bus bar module 600 of the rectifier module 200, and various configurations are possible.
  • the rectifier connector 220 may be coupled to a connector 630 installed on a bus bar module 600 to be described later, and the configuration is the same as the protruding connector 310 of the inverter module 300 to be described later, which will be described later. It should be.
  • the plurality of inverter modules 300 are configured to convert DC power received from the rectifier module 200 into AC power having a preset frequency, and are modularized and installed in the mounting space 130 of the rack unit 100, and various Configurable.
  • the plurality of inverter modules 300 as shown in FIG. 3, an inverter housing 320 forming an internal space, and a bus bar module 600 to be described later outside the inverter housing 320 It may include a protruding connector 310 provided to electrically and physically connect the device.
  • the inverter module 300 is an IGBT module, an IGBT gate driving circuit, an IGBT snubber capacitor, a current sensor, a DC link capacitor, and a DC power source in order to convert the DC power received using the switching element into an AC power having a preset frequency. It may include a link busbar, a fiber optic interface connector, and a signal interface connector.
  • the inverter module 300 may be configured as one module of an inverter function by arranging and installing each of the above-described components inside the inverter housing 320.
  • the inverter module 300 can be applied to any type of inverter configuration disclosed in the prior art, in order to supply power to a three-phase electric motor, three corresponding to each phase may be provided and installed.
  • the inverter housing 320 may be installed in the mounting space 130 formed in the rack unit 100 by modularizing the inverter module 300.
  • the protruding connector 310 is a configuration for electrical and physical connection with the bus bar module 600 of the inverter module 300, and various configurations are possible.
  • the protruding connector 310 may be provided at the rear of the inverter housing 320 to electrically and physically couple the bus bar module 600, and the bus bar module 600 may be provided at a corresponding position. By being inserted into and coupled to the connector 630 provided in the bus bar 620, it can be connected.
  • the protruding connector 310 can be coupled by an elastic body 631 installed in the connector 630 by simply pressing and inserting the protruding terminal into the connector 630, and a detailed description will be described later. I will do it.
  • the protruding connector 310 may be formed in consideration of the arrangement of the bus bar 620 on the rear surface of the inverter housing 320, and more specifically, three protruding connectors 310 to be connected to each module are formed. In addition, one protruding connector 310 may be further provided so as to be connected to a corresponding phase of the three-phase power supply.
  • the inverter module 300 may have different phases with the same inverter module 3300 by changing the arrangement of the bus bars 620 or by installing different mounting positions of the mounting space 130 of the rack unit 100. Can be printed.
  • the capacitor bank module 500 is charged with the output of the rectifier module 200 to supply DC power to the plurality of inverter modules 300, and is modularized and installed in the mounting space 130 of the rack unit 100 As, various configurations are possible.
  • the capacitor bank module 500 like the rectifier module 200 and the inverter module 300 described above, a capacitor bank housing 510 in which an internal space for installing an internal structure is formed, and a capacitor bank A capacitor bank connector 520 provided on the rear surface of the housing 510 to be electrically and physically coupled to a bus bar module 600 to be described later may be included.
  • the capacitor bank module 500 may be composed of a plurality of DC link capacitors, more specifically 16 DC link capacitors and DC link bus bars, and the capacitor bank housing 510 so that each component can be modularized and installed. ) Can be provided within.
  • the capacitor bank housing 510 may form an internal space to allow each component of the capacitor bank module 500 to be installed, and may be installed in the mounting space 130 of the rack unit 100 through such modularization. .
  • the capacitor bank connector 520 as a configuration corresponding to the rectifier connector 220 and the protruding connector 310, is provided as a protruding terminal and is inserted into a bus bar module 600, that is, a connector 630, which will be described later, It may be electrically and physically coupled to the bus bar module 600.
  • the control module 400 controls the inverter module 300 and is modularized and installed in the mounting space 130 of the rack unit 100, and various configurations are possible.
  • control module 400 is a component that controls a plurality of inverter modules 300, and may include a control board, a power supply device, a display, and a control interface board.
  • control module 400 is a configuration installed at the top of the mounting space 130 of the rack unit 100 and may include a control module housing 410.
  • the rectifier module 200, the inverter module 300, the capacitor bank module 500 and the control module 400 are modularized for each function of a plurality of mounting spaces of the rack unit 100 ( 130), more flexible and efficient installation is possible.
  • the inverter system may be provided by sequentially stacking a rectifier module 100, a capacitor bank module 500, a plurality of inverter modules 300 and a control module 400 from the lower side of the plurality of mounting spaces 130. have.
  • the bus bar module 600 is installed across a plurality of mounting spaces 130 and electrically connects the rectifier module 200 and the plurality of inverter modules 300, and various configurations are possible.
  • the bus bar module 600 includes a panel portion 610 installed to cross a plurality of mounting spaces 130 in an up-down direction on the rear portion 140 side of the rack portion 100, and a panel portion ( It may include a bus bar 620 which is disposed on the 610 and electrically connects the plurality of inverter modules 300 to the rectifier module 100 and an external load.
  • bus bar module 600 may further include a connector 630 for electrically and physically coupling with the protruding connector 310.
  • the plurality of mounting spaces 130 are arranged in the vertical direction on the rear part 140 side. It is installed so as to cross, so that terminals provided on the rear of each module can be connected.
  • the bus bar module 600 may have a different image output even when the same inverter module 300 is installed by varying the arrangement of the bus bars 620.
  • the panel portion 610 is a configuration installed to cross the plurality of mounting spaces 130 in the vertical direction on the rear portion 140 side of the rack portion 100, and various configurations are possible.
  • the panel part 610 may be partially spaced from the rear part 140 side of the internal space of the rack part 100 and installed in the vertical direction.
  • the horizontal frame 110 and the vertical frame 120 may be combined with at least one of.
  • the panel part 610 is installed parallel to the rear part 140, and by arranging the bus bar 620 on the opposite surface of the front part, modules for each function installed by pressing from the front of the rack part 100 are mounted. It can be connected to the bus bar 620 only by being positioned in the space 130.
  • the bus bar 620 is disposed on the panel unit 610 to electrically connect the plurality of inverter modules 300, the rectifier module 100, and an external load, and various configurations are possible.
  • bus bar 620 may additionally electrically connect the capacitor bank module 500.
  • the bus bar 620 may be arranged to electrically connect each module, and in the case of an output terminal connected to an external load, a bus bar corresponding to each of the three phases is provided.
  • Each of the three inverter modules 300 may be connected.
  • the connector 630 is a configuration for electrically and physically coupling with the protruding connector 310, as shown in FIG. 6, and various configurations are possible.
  • the connector 630 may be installed at a position corresponding to the height of each module of the bus bar 620 in order to electrically and physically couple the modules for each function.
  • the connector 630 may be installed through bolting so as to be energized with the bus bar 620.
  • the connector 630 includes a main body 632 coupled to the bus bar 620 through bolting, and a terminal portion 633 formed to correspond to the protruding connector 310 to the main body 632 and into which at least a portion is inserted. ), and an elastic body 631 for fixing the inserted protruding connector 310 by being installed to correspond to the outer circumferential surface of the protruding connector 310 on the inner circumferential surface of the terminal part 633.
  • the connector 630 may have a terminal portion 633 having a circular groove having a size corresponding to the protruding connector 310 in the main body 632, as shown in FIGS. 7A and 7B. have.
  • the elastic body 631 is installed in the circular groove 634 formed on the inner circumferential surface of the terminal part 633 so that the inserted protruding connector 310 is fixed by an elastic force, so that the inverter module 300 is fixed without being removed. can do.
  • the elastic body 631 is installed in a circular groove 634 formed on the inner circumferential surface of the terminal part 633 and interferes with the inserted protruding connector 310, thereby electrically connecting the inverter module 300 to the bus bar module 600.
  • a configuration that is physically coupled various configurations are possible.
  • the elastic body 631 may be installed to partially protrude toward the central axis in the circular groove 634 formed on the inner circumferential surface of the terminal portion 633, as shown in FIG. 7A.
  • the protruding connector 310 is inserted while compressing the elastic body 631 by the user's pressure, and in the coupled state, the protruding connector 310 is expanded by the expansion of the elastic body 631. ) By pressing the side portion, the protruding connector 310 may be fixed to the connector 630.
  • the elastic body 631 is as shown in FIG. 7A.
  • the original position may be partially protruded from the circular groove 634 in the direction of the central axis by an elastic force.
  • the protruding connector 310 is a terminal of a module for each function, and may have the same configuration as the rectifier connector 220 and the capacitor bank connector 520, and in the same manner as the connector 630 corresponding to each. Can be detached with.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

La présente invention concerne un système d'onduleur modulaire à fonction spécifique et, plus spécifiquement, un système d'onduleur pour entraîner un moteur électrique, le système comprenant des modules empilés à fonction spécifique. L'invention concerne un système d'onduleur comprenant : une unité de bâti (100) qui forme une pluralité d'espaces de montage (130) par l'intermédiaire d'une combinaison d'un cadre horizontal (110) et d'un cadre vertical (120) ; un module redresseur (200) qui redresse un courant alternatif (c.a.) externe en courant continu (c.c.) et qui est modularisé et installé dans un espace de montage (130) de l'unité de bâti (100) ; une pluralité de modules onduleurs (300) qui convertissent le courant continu (c.c.) reçu du module redresseur (200) en courant alternatif (c.a.) ayant une fréquence prédéterminée, et sont modularisés et installés dans les espaces de montage (130) de l'unité de bâti (100) ; un module de commande (400) qui commande les modules onduleurs (300) et est modularisé et installé dans un espace de montage (130) de l'unité de bâti (100) ; et un module busbar (600) qui est installé dans la pluralité d'espaces de montage (130) pour connecter électriquement le module redresseur (200) et la pluralité de modules onduleurs (300).
PCT/KR2020/016006 2019-11-14 2020-11-13 Système d'onduleur modulaire à fonction spécifique Ceased WO2021096297A1 (fr)

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KR10-2019-0145705 2019-11-14
KR1020190145705A KR20210058364A (ko) 2019-11-14 2019-11-14 기능별 모듈형 인버터시스템

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WO2024221059A1 (fr) * 2023-04-28 2024-10-31 Tritium Power Solutions Pty Ltd Support pour module de conversion de puissance

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KR20250117089A (ko) * 2024-01-26 2025-08-04 효성중공업 주식회사 서브모듈의 dc캐패시터 고정구조
KR102875181B1 (ko) * 2024-02-20 2025-10-29 (주)새명산전 Ｍｖｄｃ 배전용 서브모듈

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US20040000815A1 (en) * 2002-06-28 2004-01-01 Pereira Robert A. Modular power distribution system for use in computer equipment racks
KR101468143B1 (ko) * 2013-04-23 2014-12-05 데스틴파워 주식회사 인버터 모듈 착탈형 인버터 접속반
CN203326858U (zh) * 2013-06-07 2013-12-04 株洲南车时代电气股份有限公司 一种双源制变流器
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WO2024221059A1 (fr) * 2023-04-28 2024-10-31 Tritium Power Solutions Pty Ltd Support pour module de conversion de puissance

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