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Application: DC SUPPLY FOR ROTOR HEATER

Replacement Drive: Full System Install

 

The panel is designed to supply a DC current through a low resistive load. It can deliver 500 Amps continuously and delivers up to 150 VDC. This DC supply application was required to pass current through a DC rotor, a rotating magnet for a large generator.  When the rotor is refurbished the resin needs to be set by passing a DC current through the copper bars that then would heat it internally.
The DC current level is set through a touch screen that can step a bespoke program through a sequence of heating levels for an extended period. Four thermocouples where installed and fed back to the PLC to monitor temperature and also resistance rise could be monitored as the temperature increased.