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1. WO2022005205 - POWER CONVERSION DEVICE

Publication Number WO/2022/005205
Publication Date 06.01.2022
International Application No. PCT/KR2021/008272
International Filing Date 30.06.2021
IPC
H02M 7/219 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
7Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
02Conversion of ac power input into dc power output without possibility of reversal
04by static converters
12using discharge tubes with control electrode or semiconductor devices with control electrode
21using devices of a triode or transistor type requiring continuous application of a control signal
217using semiconductor devices only
219in a bridge configuration
H02M 1/08 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
1Details of apparatus for conversion
08Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02J 9/06 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
9Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
04in which the distribution system is disconnected from the normal source and connected to a standby source
06with automatic change-over
H02M 1/00 2007.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
1Details of apparatus for conversion
Applicants
  • 엘에스일렉트릭(주) LS ELECTRIC CO., LTD. [KR]/[KR]
Inventors
  • 한태희 HAN, Tae Hee
  • 김지홍 KIM, Ji Hong
  • 이지헌 LEE, Ji Heon
  • 김희중 KIM, Hee Jung
Agents
  • 특허법인(유한) 대아 DAE-A INTELLECTUAL PROPERTY CONSULTING
Priority Data
10-2020-008198103.07.2020KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) POWER CONVERSION DEVICE
(FR) DISPOSITIF DE CONVERSION DE PUISSANCE
(KO) 전력 변환 장치
Abstract
(EN) According to an embodiment of the present invention, a power conversion device for controlling a DC voltage of a DC link may comprise a first diode, a second diode, a first switching element, a second switching element, a third switching element, and a fourth switching element, wherein: a cathode terminal of the first diode is connected to a positive terminal of the DC link; an anode terminal of the first diode is connected to one end of the first switching element and one end of the third switching element; the other end of the first switching element is connected to an alternating current terminal and one end of the second switching element; the other end of the second switching element is connected to one end of the second diode and one end of the fourth switching element; the other end of the second diode is connected to a negative terminal of the DC link; and the other end of the third switching element is connected to the other end of the fourth switching element and a neutral point of the DC link.
(FR) Selon un mode de réalisation de la présente invention, un dispositif de conversion de puissance pour commander une tension CC d'une liaison CC peut comprendre une première diode, une seconde diode, un premier élément de commutation, un deuxième élément de commutation, un troisième élément de commutation et un quatrième élément de commutation, une borne de cathode de la première diode étant reliée à une borne positive de la liaison CC ; une borne d'anode de la première diode étant connectée à une première extrémité du premier élément de commutation et à une première extrémité du troisième élément de commutation ; l'autre extrémité du premier élément de commutation étant connectée à une borne de courant alternatif et à une première extrémité du deuxième élément de commutation ; l'autre extrémité du deuxième élément de commutation étant connectée à une première extrémité de la seconde diode et à une première extrémité du quatrième élément de commutation ; l'autre extrémité de la seconde diode étant connectée à une borne négative de la liaison CC ; et l'autre extrémité du troisième élément de commutation étant connectée à l'autre extrémité du quatrième élément de commutation et à un point neutre de la liaison CC.
(KO) 본 발명의 실시 예에 따른 DC 링크의 DC 전압을 제어하는 전력 변환 장치는제1 다이오드, 제2 다이오드, 제1 스위칭 소자, 제2 스위칭 소자, 제3 스위칭 소자 및 제4 스위칭 소자를 포함하고, 상기 제1 다이오드의 캐소드 단자는 상기 DC 링크의 양 단자에 연결되고, 상기 제1 다이오드의 애노드 단자는 상기 제1 스위칭 소자의 일단 및 상기 제3 스위칭 소자의 일단에 연결되고, 상기 제1 스위칭 소자의 타단은 교류 단자 및 상기 제2 스위칭 소자의 일단에 연결되고, 상기 제2 스위칭 소자의 타단은 상기 제2 다이오드의 일단 및 상기 제4 스위칭 소자의 일단에 연결되고, 상기 제2 다이오드의 타단은 상기 DC 링크의 음 단자에 연결되고, 상기 제3 스위칭 소자의 타단은 상기 제4 스위칭 소자의 타단 및 상기 DC 링크의 중성점에 연결될 수 있다.
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