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1. (WO2019065420) POWER CONDITIONER AND PHOTOVOLTAIC POWER GENERATION SYSTEM
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Pub. No.: WO/2019/065420 International Application No.: PCT/JP2018/034670
Publication Date: 04.04.2019 International Filing Date: 19.09.2018
IPC:
G05F 1/67 (2006.01) ,H02M 3/155 (2006.01) ,H02M 7/48 (2007.01)
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
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
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
Applicants:
株式会社村田製作所 MURATA MANUFACTURING CO., LTD. [JP/JP]; 京都府長岡京市東神足1丁目10番1号 10-1, Higashikotari 1-chome, Nagaokakyo-shi, Kyoto 6178555, JP
Inventors:
川原 史聖 KAWAHARA, Fumikiyo; JP
山本 裕太 YAMAMOTO, Yuta; JP
Agent:
福井 宏司 FUKUI, Hiroshi; JP
Priority Data:
2017-18484026.09.2017JP
Title (EN) POWER CONDITIONER AND PHOTOVOLTAIC POWER GENERATION SYSTEM
(FR) CONDITIONNEUR DE PUISSANCE ET SYSTÈME DE PRODUCTION D'ÉNERGIE PHOTOVOLTAÏQUE
(JA) パワーコンディショナ及び太陽光発電システム
Abstract:
(EN) This power conditioner is provided with: a PV converter 2 which boosts a direct current input voltage; an inverter 3 which converts the boosted voltage output from the PV converter into an alternating current voltage; a grid interconnection relay 5 interposed between the inverter and a power grid; a control unit 15 which controls a boosting operation of the PV converter, a conversion operation of the inverter, and opening and closing operations of the grid interconnection relay; a voltage detecting device 13 which detects the output voltage of the PV converter; and a current detecting device 12 which detects the output current of the PV converter; wherein the control unit 15 performs control to start the operation of the inverter and control to close the grid interconnection relay after a power value calculated on the basis of the voltage value detected by the voltage detecting device and the current value detected by the current detecting device exceeds a preset reference power.
(FR) L'invention concerne un conditionneur de puissance comportant : un convertisseur photovoltaïque (PV) qui élève une tension d'entrée continue ; un onduleur 3 qui convertit la tension surélevée délivrée par le convertisseur PV en une tension alternative ; un relais d'interconnexion de réseau 5 interposé entre l'onduleur et un réseau électrique ; une unité de commande 15 qui commande une opération d'élévation de tension du convertisseur PV, une opération de conversion de l'onduleur, et des opérations d'ouverture et de fermeture du relais d'interconnexion de réseau ; un dispositif de détection de tension 13 qui détecte la tension de sortie du convertisseur PV ; et un dispositif de détection de courant 12 qui détecte le courant de sortie du convertisseur PV ; l'unité de commande 15 effectuant une commande pour démarrer le fonctionnement de l'onduleur et une commande pour fermer le relais d'interconnexion de réseau après qu'une valeur de puissance, calculée sur la base de la valeur de tension détectée par le dispositif de détection de tension et de la valeur de courant détectée par le dispositif de détection de courant, a dépassé une puissance de référence prédéfinie.
(JA) 直流入力電圧を昇圧するPVコンバータ2と、PVコンバータから出力される昇圧電圧を交流電圧に変換するインバータ3と、インバータと電力系統との間に介在される系統連系用リレー5と、PVコンバータの昇圧動作とインバータの変換動作と系統連系用リレーの開閉動作を制御する制御部15と、PVコンバータの出力電圧を検出する電圧検出装置13と、PVコンバータの出力電流を検出する電流検出装置12を備えたパワーコンディショナにおいて、制御部15は、電圧検出装置の検出電圧値と電流検出装置と検出電流値に基づいて算出される電力値があらかじめ設定された基準電力を超えた後に、インバータの作動開始制御と、系統連系用リレーの閉成制御を行う。
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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, JP, 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)