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Recent content by Aftermathematics

  1. Aftermathematics

    VDC Distribution

    I am current working on the design of 125 VDC distribution boards in a power plant. As i'm new to the DC system, I thought someone might be of help. I want to know why you have to connect poles of breakers in series to achieve the desired current in DC application. Is the desired current not...
  2. Aftermathematics

    Is sizing an MCBs to a motor's FLC or LRC?

    I am trying to size miniature circuit breakers for 1kW 3-phase motors but I'm a bit confused as to what the breaker size should be. The motor characteristics are as follows. Rated power=1kW Rated Voltage=400V Power factor=0.8 The full load current FLC was calculated using the formula...
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