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  • Users: uno
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  1. uno

    Circuit Breakers with different short circuit ratings

    I would like to know if anybody has used circuit breakers in a power distribution circuit where the upstream circuit breaker and the downstream circuit breaker ( maybe incomer to another distribution board) have different short circuit ratings. There is no fuse used anywhere in the circuit.
  2. uno

    IEC Short circuit ratings for the Circuit Breakers

    I have always wondered as to why does a circuit breaker in the IEC World have so many short circuit breaking capacities such as Ics(service short circuit breaking capacity), Icu(ultimate short circuit breaking cap), Icw (short circuit breaking capacity). After running an ETAP Programme we reach...
  3. uno

    ANSI C50.41

    Hi Is ANSI C50.41 ON POLYPHASE INDUCTION MOTORS HAVE SUPERCEDED. IF SO THEN WHAT WOUULD BE THE NEW IEEE STD. Thanks Uno
  4. uno

    Steel Concrete Piles

    I would be very pleased if someone could tell me where can I find any information about top steel/concrete pile suppliers in USA. You can reach me at mutlu@purdue.edu Thanks
  5. uno

    Slope Stability

    Ariver is flowing along a direction N20E. Three joint sets are found at both north and south. Joint set A: N45W, 90; Joint Set B: N35E, 70 SE Joint setC:N30E,5NW. Which side of the valley would have more stability problems under excavation?

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