Switch Mode Power Supply

DRP024V060W1BA

Redundancy & Parallel Operation with ORing Diode

See picture below for a typical Redundant/Parallel operation using CliQ II Series Power Supplies. Power Supply Unit 1 (PSU1) and Power Supply Unit 2 (PSU2) are connected through a twin diode where Anode 1 (A1) is connected to the +Ve of PSU1 and A2 is connected to the +Ve of PSU2 and both output ground are shorted together.

The output of PSU1 and PSU2 is drawn from the Cathode K of the twin diode, making the Power Supply work in Redundant/Parallel operation.

Redundant Operation:

When 2 Power Supplies are connected in parallel, the Power Supply with the higher output voltage will take the maximum load while the other will operate in standby mode (at no load). In case the first Power Supply fails, the second will take over the load and supplies the required power to the end system.

12/13

Rev: 00,

1/10/2011

 

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Delta Electronics DRP024V060W1BA warranty ∙ Redundancy & Parallel Operation with ORing Diode, Redundant Operation