H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Procede de pilotage d’une installation permettant le transport de courant continu dans un reseau tout en protegeant ledit reseau vis a vis d’un defaut de court-circuit
Dispositif pour l'elimination rapide des charges piegees dans un pont diviseur capacitif utilise pour la surveillance des tensions alternatives elevees
Système de protection pour limiter l'impact des perturbations d'un réseau électrique externe sur le réseau local d'un site branché sur le réseau externe