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  1. sarawakmiri

    Standard for OA/FA/FOA TRANSFORMER, REF. Sizing Secondary conductors

    Have searched all over for written standard that specifically addresses sizing the Secondary conductors for OA/FA/FOA, 55 / 65 C. TRANSFORMER. I have been unable to find anything. Logic would suggest the max load would be fixed for the OA Rated KVA. And the FA/ FOA RATING IS FOR AMBIENT...
  2. sarawakmiri

    secondary rated amps for TRANSFORMER rated OA/FA/FOA, 55/65 C, CAN FA Rated KVA BE USED IN MOTOR STA

    Have searched all over and can find no technical answer. If the Transformer is rated as OA/FA/FOR, 55 / 65 C. WOULD YOU ASSOME THE FOA KVA RATING WOULD BE REQURED FOR 3 HOURS OR MORE AND SIZE THE SECONDARY FEEDER CONDUCTORS AT. FOA. KVA. AMPS x 1.25 %. and can the Rated KVA at FA rating be used...

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