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Application filed by Bbc Brown Boveri & CiefiledCriticalBbc Brown Boveri & Cie
Publication of CH91421ApublicationCriticalpatent/CH91421A/de
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
CH91421D1920-09-161920-09-16Verfahren zum Schutz von Mehrphasennetzen ohne anzapfbaren Spannungsnullpunkt bei Eintritt eines Erdschlusses.
CH91421A
(de)