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  • Users: nifrabar
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  1. nifrabar

    Q about proportional control of home heater

    Hi! Hopefully this is not the wrong forum.Otherwise pls advice me. I am considering to make a pc-controlled central heating system for at home. Currently the house is heated by a Vaillant VCW255/3 heater. The heater can be contolled proportional by a thermostat in the living. I like to replace...
  2. nifrabar

    What load must be available for motor while starting in Y/D?

    Hi! On board a ship we are having a diesel-generator set which supplies 44 [E] kW. I do have a basic [E] load of about 35kW. Q: How do I calculate if I can start a compressor using Y/D starter in this configuration? TIA -Bart
  3. nifrabar

    440V motor running on 415V?

    Hi, We are having a 60Hz mains on board a ship. Management wants 60 Hz as this gives more power than 50Hz. Now they want 3x415V mains which is no standard for 60Hz. The idea is to have 440V-60Hz motors run on the 415-60 mains. Meanwhile no additional transformers are required for lighting...

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