H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
H02H3/18—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to reversal of direct current
Dispositif pour l'elimination rapide des charges piegees dans un pont diviseur capacitif utilise pour la surveillance des tensions alternatives elevees
Circuit électrique pour la transmission d'une information d'état, notamment d'un organe de matériel ferroviaire roulant, et système électrique incorporant un tel circuit