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1. (WO2018061424) POWER CONVERSION SYSTEM AND POWER CONVERSION DEVICE
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Pub. No.: WO/2018/061424 International Application No.: PCT/JP2017/026342
Publication Date: 05.04.2018 International Filing Date: 20.07.2017
IPC:
H02M 7/48 (2007.01) ,H02M 3/155 (2006.01) ,G05F 1/67 (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
7
Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
42
Conversion of dc power input into ac power output without possibility of reversal
44
by static converters
48
using discharge tubes with control electrode or semiconductor devices with control electrode
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
02
without intermediate conversion into ac
04
by static converters
10
using discharge tubes with control electrode or semiconductor devices with control electrode
145
using devices of a triode or transistor type requiring continuous application of a control signal
155
using semiconductor devices only
G PHYSICS
05
CONTROLLING; REGULATING
F
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
1
Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
66
Regulating electric power
67
to the maximum power available from a generator, e.g. from solar cell
Applicants:
パナソニックIPマネジメント株式会社 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. [JP/JP]; 大阪府大阪市中央区城見2丁目1番61号 1-61, Shiromi 2-chome, Chuo-ku, Osaka-shi, Osaka 5406207, JP
Inventors:
岩松 祐輔 IWAMATSU, Yusuke; --
藤居 直章 FUJII, Naoaki; --
Agent:
森下 賢樹 MORISHITA Sakaki; JP
Priority Data:
2016-19329130.09.2016JP
Title (EN) POWER CONVERSION SYSTEM AND POWER CONVERSION DEVICE
(FR) SYSTÈME DE CONVERSION DE PUISSANCE ET DISPOSITIF DE CONVERSION DE PUISSANCE
(JA) 電力変換システム、電力変換装置
Abstract:
(EN) A DC-DC converter 11 converts direct current power supplied from a solar cell 2 into direct current power having a different voltage, then, outputs the direct current power to a direct current bus 30. An inverter 21 converts, into alternating current power, the direct current power inputted from the direct current bus 30, then, outputs the alternating current power to a system 3. When the voltage of the direct current bus 30 is lower than a first reference voltage, a first control unit 12 controls the DC-DC converter 11 to perform boosting operations, and when the voltage is equal to or higher than the first reference voltage, the first control unit stops the boosting operations performed by the DC-DC converter 11. When the voltage of the direct current bus 30 is lower than a second reference voltage, a second control unit 22 controls the inverter 21 to keep constant the voltage of the direct current bus 30, and when the voltage is equal to or higher than the second reference voltage, the second control unit controls the inverter 21 so that the output power of the inverter 21 is maximum.
(FR) Selon l'invention, un convertisseur CC-CC (11) convertit une puissance CC fournie par une photopile (2) en une puissance CC d'une tension différente, et délivre la puissance CC à une barre omnibus à CC (30). Un onduleur (21) convertit en puissance CA la puissance CC fournie par la barre omnibus à CC (30), et délivre la puissance CA à un système (3). Lorsque la tension de la barre omnibus à CC (30) est inférieure à une première tension de référence, une première unité de commande (12) commande le convertisseur CC-CC (11) de manière à exécuter des opérations d'amplification, et lorsque la tension est supérieure ou égale à la première tension de référence, la première unité de commande arrête les opérations d'amplification exécutées par le convertisseur CC-CC (11). Lorsque la tension de la barre omnibus à CC (30) est inférieure à une seconde tension de référence, une seconde unité de commande (22) commande l'onduleur (21) de manière à maintenir constante la tension de la barre omnibus à CC (30), et lorsque la tension est supérieure ou égale à la seconde tension de référence, la seconde unité de commande commande l'onduleur de telle sorte que la puissance de sortie de l'onduleur (21) est maximale.
(JA) DC-DCコンバータ11は、太陽電池2から供給される直流電力を別の電圧の直流電力に変換し、当該直流電力を直流バス30に出力する。インバータ21は、直流バス30から入力される直流電力を交流電力に変換し、当該交流電力を系統3に出力する。第1制御部12は、直流バス30の電圧が第1基準電圧未満のときDC-DCコンバータ11を昇圧動作させるように制御し、第1基準電圧以上のとき前記DC-DCコンバータ11の昇圧動作を停止させる。第2制御部22は、直流バス30の電圧が第2基準電圧未満のとき直流バス30の電圧を一定に保つようにインバータ21を制御し、第2基準電圧以上のときインバータ21の出力電力が最大になるようにインバータ21を制御する。
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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, JO, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)