AC emergency Backup Power Supply system, basing on DC standby power supply, is equipped with single phase (three-phase) DC/AV inverter. It is applied to provide uninterrupted single phase (three-phase) AC power supply service for the important AC electricity loads.
DC emergency standby power supply system consists of AC distribution, charging unit, storage battery DC distribution, automatic switching against city grid failed in power supply, etc. It is applied to provide uninterrupted power supply service for the important DC electricity loads.