750Vdc Input DC/DC converters deliver 3kW for railway applications

Absopulse Electronics Ltd.
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The HVI 3KR-3U4 series of high input voltage DC/DC converters employ field proven design topology to generate 3kW output power. They accept 750Vdc input voltage (525V to 975Vdc range), the traction voltage required for mass transit vehicles and mining locomotives. The units deliver 24V, 36V, 48V or 110Vdc, with other output voltages available on request. They are designed to meet EN50155 for electronic equipment used on railway rolling stock.

The converters are built with three internal power modules operating parallel via redundancy diodes. This construction provides internal redundancy: if one internal module fails, the converter will continue to function as a 2kW redundant power supply. The fan cooled converters are rated for operation over a -25°C to 55°C temperature range for full specification without derating.

750Vdc Input DC/DC converters deliver 3kW for railway applications

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