Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations waross on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. hydropowerengr

    Grounding of motor nuetral for VFD application

    We presently have a 200 Hp ,460 volt motor connected in wye which is provided power from a SquareD VFD controller.We typically always bring motor leads together and connect them to ground but Square D has some concerns that this will cause problems with their VFD drive. Is this reasonable to...
  2. hydropowerengr

    Silver plated versus tin plated copper bus

    On a 600 volt motor control centers, I have noticed that manufacturers offer both tin plated and silver plated copper bus for power bus connections. At a 1,200 amp rating, which type of connection is preferred or does it make any difference
  3. hydropowerengr

    Interrupting Rating for Medium Voltage Fuses

    I have an application where I am tapping off isolated phase bus(13.8 kV) at the generator terminals with 15 kV cable to provide power to a step down power transformer(645 KVA 13,800/400 V). At this tap location, we have calculated a fault current of 83.7 kA symmetrical. I have been unable to...
Back
Top