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  • Users: geeny
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  1. geeny

    calculation of battery capacity for UPS

    I would like to know how can you calculate the size and quantity of batteries (lead acid and nickel cadmium)to withhold a load of of 30 kw and 100 kw for 30min. and for 1hour. please show me how and where such information can be provided...many thanks to all
  2. geeny

    1 MVA transformers

    what's the advantages between an oil immersed transformer and a cast resin dry transformer?
  3. geeny

    cables

    what is a life long of a pvc/swa/pvc/copper cable , even if it hasn't been connected to a load ?

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