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1. (WO2018102100) ARC FAULT CIRCUIT INTERRUPTER APPARATUS AND METHODS USING SYMMETRICAL COMPONENT HARMONIC DETECTION
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Pub. No.: WO/2018/102100 International Application No.: PCT/US2017/060862
Publication Date: 07.06.2018 International Filing Date: 09.11.2017
IPC:
H02H 1/00 (2006.01) ,G01R 31/08 (2006.01)
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
1
Details of emergency protective circuit arrangements
G PHYSICS
01
MEASURING; TESTING
R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31
Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
08
Locating faults in cables, transmission lines, or networks
Applicants:
EATON CORPORATION [US/US]; 1000 Eaton Boulevard Cleveland, Ohio 44122, US
Inventors:
YANG, Yi; US
Agent:
MYERS BIGEL, P.A.; PO Box 37428 Raleigh, North Carolina 27627, US
Priority Data:
15/368,17502.12.2016US
Title (EN) ARC FAULT CIRCUIT INTERRUPTER APPARATUS AND METHODS USING SYMMETRICAL COMPONENT HARMONIC DETECTION
(FR) APPAREIL COUPE-CIRCUIT D'ARC ÉLECTRIQUE PARASITE ET PROCÉDÉS FAISANT APPEL À UNE DÉTECTION D'HARMONIQUES À COMPOSANTES SYMÉTRIQUES
Abstract:
(EN) Methods include sensing phase currents (100) through a circuit interruption device (110), generating at least one symmetrical component harmonic current signal (220) for at least one harmonic of the phase currents responsive to the sensed phase currents, and interrupting the phase currents (230) responsive to the at least one symmetrical component harmonic current signal. The phase currents may be interrupted responsive to a phase and/or a magnitude of the at least one symmetrical component harmonic current signal meeting a criterion. The at least one harmonic may include at least one odd harmonic, such as at least one of a third harmonic and a fifth harmonic. The at least one symmetrical component harmonic current signal may include a positive sequence harmonic current signal and/or a negative sequence harmonic current signal.
(FR) L'invention concerne des procédés consistant à détecter des courants de phase (100) par l'intermédiaire d'un dispositif coupe-circuit (110), à générer au moins un signal harmonique de courant à composantes symétriques (220) d'au moins un harmonique des courants de phase en réponse aux courants de phase détectés, et à couper les courants de phase (230) en réponse audit signal harmonique de courant à composantes symétriques. Les courants de phase peuvent être coupés en réponse à une phase et/ou à une amplitude dudit signal harmonique de courant à composantes symétriques satisfaisant un critère. Ledit harmonique peut comprendre au moins un harmonique impair, tel qu'un troisième harmonique et un cinquième harmonique. Ledit signal harmonique de courant à composantes symétriques peut comprendre un signal harmonique de courant de séquence positive et/ou un signal harmonique de courant de séquence négative.
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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)