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  • Users: BigIanH
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  1. BigIanH

    Magnetising current of a "Buck-Boost" transformer

    Dear all, I have looked through the archived questions and cannot seem to find anything suitable (I am a man though...). Can anyone advise me if the "inrush" (or magnetising current) of a 3 phase/2000kva Buck/Boost voltage optimisation transformer is any different to a standard transformer...
  2. BigIanH

    Neutral earth switch sizing for multiple generators

    Guys, Looking through the archived Q+A's, I am unable to find a definitive answer to "How to correctly size a Neutral earth switch". We are working under UK's G59 regulations, just to be clear. I fully understand the reasons behind NE (or star point) switching, but I am unable to find reasoning...
  3. BigIanH

    Cummins Diesel Generator

    Guys, Does anyone out there happen to have a resistance/temperature curve for a Cummins engine temperature transducer? I also need a resistance/pressure curve for oil pressure. Cummins are not being helpful and we have no accurate testing equipment on site to make the measurements ourselves...
  4. BigIanH

    Thermistors

    Hello, Can anyone recommend me a decent (and as inexpensive as possible) module to convert a thermistor output to either 4-20mA or 0-10v? The unit would be preferably a din rail mounting. Cheers Ian
  5. BigIanH

    Caterpillar

    Hello out there, I am in need of a technical manual for a Caterpillar VR3 AVR. It is currently connected to a Basler PF controller that I need to remove from the circuit. The ComAp controller that we are fitting will handle the voltage matching (for syynchronising)and the PF control (when in...

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