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1. (WO2018222650) SYSTEMS AND METHODS FOR ISLANDING DETECTION
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Pub. No.: WO/2018/222650 International Application No.: PCT/US2018/035022
Publication Date: 06.12.2018 International Filing Date: 30.05.2018
IPC:
H02J 3/38 (2006.01)
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
J
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3
Circuit arrangements for ac mains or ac distribution networks
38
Arrangements for parallelly feeding a single network by two or more generators, converters, or transformers
Applicants:
SCHNEIDER ELECTRIC SOLAR INVERTERS USA, INC. [US/US]; 250 South Vasco Road Livermore, CA 94551, US
Inventors:
ZHANG, Qing; CA
AULAGNIER, Vincent; CA
VANWERKHOVEN, Steven; CA
Agent:
SULLIVAN, Thomas, M.; US
ROCCIO, David, M.; US
NOE, Keith, F.; US
ANDREASEN, David, S.; US
ROUSH, Caroline, J.; US
Priority Data:
62/513,18731.05.2017US
Title (EN) SYSTEMS AND METHODS FOR ISLANDING DETECTION
(FR) SYSTÈMES ET PROCÉDÉS DE DÉTECTION D'ÎLOTAGE
Abstract:
(EN) Electric power systems and methods are provided that detect an islanding condition. The systems and methods include components to inject a perturbation current at a power output, based upon a perturbation current signal, and receive a voltage signal from the power output. The systems and methods cross-correlate the perturbation current signal with the voltage signal to provide a cross-correlation signal, and determine an island condition based upon the cross-correlation signal.
(FR) L'invention concerne des systèmes et des procédés d'alimentation électrique qui détectent une condition d'îlotage. Ces systèmes et procédés comprennent des composants destinés à injecter un courant de perturbation au niveau de la puissance de sortie, sur la base d'un signal de courant de perturbation, et à recevoir un signal de tension à partir de la puissance de sortie. Ces systèmes et procédés mettent en corrélation croisée le signal de courant de perturbation avec le signal de tension afin de fournir un signal de corrélation croisée, et déterminent une condition d'îlot sur la base du signal de corrélation croisée.
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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: English (EN)
Filing Language: English (EN)