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1. (WO2017195511) BIDIRECTIONAL DC-DC CONVERTER, POWER SUPPLY SYSTEM USING SAME, AND AUTOMOBILE USING POWER SUPPLY SYSTEM
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Pub. No.:
WO/2017/195511
International Application No.:
PCT/JP2017/014481
Publication Date:
16.11.2017
International Filing Date:
07.04.2017
IPC:
H02M 3/28
(2006.01)
H
ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
M
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
3
Conversion of dc power input into dc power output
22
with intermediate conversion into ac
24
by static converters
28
using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
Applicants:
HITACHI AUTOMOTIVE SYSTEMS, LTD.
[JP/JP]; 2520, Takaba, Hitachinaka-shi, Ibaraki 3128503 (JP)
Inventors:
TANAKA Shintaro
; (JP).
SOBU Yuji
; (JP)
Agent:
TODA Yuji
; (JP)
Priority Data:
2016-094987
11.05.2016
JP
Title
(EN)
BIDIRECTIONAL DC-DC CONVERTER, POWER SUPPLY SYSTEM USING SAME, AND AUTOMOBILE USING POWER SUPPLY SYSTEM
(FR)
CONVERTISSEUR CONTINU-CONTINU BIDIRECTIONNEL, SYSTÈME D'ALIMENTATION ÉLECTRIQUE L'UTILISANT ET AUTOMOBILE UTILISANT LE SYSTÈME D'ALIMENTATION ÉLECTRIQUE
(JA)
双方向DC-DCコンバータ、これを用いた電源システム及び当該電源システムを用いた自動車
Abstract:
(EN)
The present invention addresses the problem of providing a circuit and control configurations whereby a surge voltage is suppressed during a voltage step-up operation of a bidirectional DC-DC converter, thereby achieving a high-efficiency, compact, and low-cost bidirectional DC-DC converter. A power conversion device pertaining to the present invention is a bidirectional DC-DC converter for performing a voltage step-down or step-up operation, and comprises: a transformer in which a primary winding and a secondary winding are magnetically coupled with each other; a first switching circuit which is electrically connected in parallel to a first power supply and the primary winding; a second switching circuit which is electrically connected in parallel to a second power supply and the secondary winding; and a control circuit for controlling the first switching circuit and the second switching circuit. The control means controls the first switching circuit so as to boost the voltage of the primary winding by supplying electric power thereto from the first power supply before transmitting electric power from the second power supply to the first power supply via the transformer.
(FR)
La présente invention traite le problème de la fourniture d'un circuit et de configurations de commande par lesquels une surtension est supprimée pendant une opération d'élévation de tension d'un convertisseur continu-continu bidirectionnel, ce qui permet d'obtenir un convertisseur continu-continu bidirectionnel à haut rendement, compact et à faible coût. Un dispositif de conversion de puissance de la présente invention est un convertisseur continu-continu bidirectionnel permettant d'effectuer une opération d'abaissement de tension ou d'élévation de tension, et comprend : un transformateur dans lequel un enroulement primaire et un enroulement secondaire sont couplés magnétiquement l'un à l'autre ; un premier circuit de commutation qui est connecté électriquement en parallèle à une première alimentation électrique et à l'enroulement primaire ; un second circuit de commutation qui est connecté électriquement en parallèle à une seconde alimentation électrique et à l'enroulement secondaire ; et un circuit de commande permettant de commander le premier circuit de commutation et le second circuit de commutation. Le moyen de commande commande le premier circuit de commutation de façon à élever la tension de l'enroulement primaire en lui fournissant de l'énergie électrique en provenance de la première alimentation électrique avant de transmettre de l'énergie électrique de la seconde alimentation électrique à la première alimentation électrique par l'intermédiaire du transformateur.
(JA)
本発明の課題は、双方向DC-DCコンバータの昇圧動作時におけるサージ電圧を抑制し、高効率・小型・低コストな双方向DC-DCコンバータを実現できる回路および制御構成を提供することである。 本発明に係る電力変換装置は、降圧もしくは昇圧を行う電力変換装置DC-DCコンバータであって、1次巻線と2次巻線を磁気結合するトランスと、第1の電源及び前記1次巻線に対して電気的に並列に接続される第1スイッチング回路と、第2の電源及び前記2次巻線に対して電気的に並列に接続される第2スイッチング回路と、前記第1スイッチング回路及び前記第2スイッチング回路を制御する制御回路と、を備え、前記制御手段は前記トランスを介して前記第2の電源から前記第1の電源ヘ電力を送る前に、前記第1の電源から電力を供給して前記1次巻線の電圧を上昇させるように前記第1スイッチング回路を制御する。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)