DRS Pivotal Power's 1 KVA uninterruptible power supply (UPS) system is intended for use on board naval combat ships to power critical command, control, communication and navigation equipment. The input to the 1 KVA UPS system is supplied from the ship's 440 V, 60 Hz, 3-phase AC service power conforming to MIL-STD-1399, Section 300. The UPS system provides 115 VAC, 60 Hz, 1-phase high quality output power.
In event of loss of ship service power, the UPS system continues to provide the output power for a specified time duration using rechargeable storage batteries. On restoration of ship service power, the UPS system automatically reverts to input power from the ship service power to provide the output power and to charge the storage batteries. The transition between ship service and battery power is achieved with less than 2% harmonic distortion. The UPS also functions as a power conditioner, blocking surges, spikes and transients while maintaining stable voltage to the serviced equipment.
Each UPS system is made up of a Power Unit, which houses the power electronics, plus control and communication circuits and a Battery Unit, which house the storage batteries. The UPS system utilizes mil spec circular connectors for input, output and Battery Unit connection. DRS Pivotal Power manufactures a full line of Battery Units to support the UPS system for various backup durations.
The UPS Power Units are fully SNMP compatible, offering effective computer network management of the UPS either independently, or as part of a larger distributed power system. When enabled the SNMP can remotely control various functions of the UPS and monitor a large number of status and system variables.
The UPS is fully qualified for military applications.