Fan-cooled power supply with PFC
20 February 2013
Power Electronics / Power Management
Vicor introduced its new Westcor MicroPAC power factor corrected AC-DC power system providing up to 1300 W of continuous power at up to 92% efficiency and 1,53 W/cm³ power density in a 102 x 44 x 190 mm package.
Offering semi-regulated output voltages of 12, 24, 36 and 48 V d.c. via four factory-configurable isolated outputs, the units support a wide range of customer power requirements and are ideally suited for distributed power architectures in industrial and automation, MIL-COTS, telecom and renewable energy applications.
System designers seeking the flexibility to partition multiple-voltage outputs rather than use two separate power supplies can configure MicroPACs with a combination of four high-performance VI Chip BCM high-voltage bus converters, which may be configured as single outputs, parallel outputs, or a series output with integrated current sharing.
For applications requiring higher power levels, MicroPACs can be configured in arrays with box-to-box current sharing.
The Energy Star-compliant power supplies offer advanced eco-mode operation settings via which the individual BCMs are powered on only as needed, further enhancing power efficiency over a wide load range. In standby mode, total power dissipation (TPD) is less than 8 W.
MicroPAC operates at full load over the temperature range of -40°C to +55°C and are ruggedised for harsh environments. Offering an economical alternative to competing MIL-class power systems, MicroPAC meets MIL-STD 810 standards for shock and vibration – up to 7 G per axis for one hour each, and 40 G functional shock – and are therefore well-suited for ground vehicle, aircraft and ship transport and usage.
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