Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

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

Search results for query: *

  • Users: Jubailcity
  • Content: Threads
  • Order by date
  1. Jubailcity

    DC drive - field motor protection test

    We have critical loads driven by DC motors. Almost all are fed through the DCS600 ABB drive type. Question: is it usual to run field protection testing of the motor? I mean, primary current injection to test OC and OL response of the drive embedded protection system. Thank you for your time and...
  2. Jubailcity

    Estimate induction motor parameters

    Hi all, could someone please give information on how to estimate induction motor parameters out of field tests? Thank you, GAC
  3. Jubailcity

    MV Vacuum Circuit Breakers compared to SF6 Circuit Breakers

    Gentlemen, in the medium voltage range, vacuum circuit breakers seem to have the largest share of the market nowadays. May I have your opinion about their performance compared to SF6 circuit breakers, in terms of switching and maintenance characteristics? Do anyone know of any 'independent'...
  4. Jubailcity

    Double-logarithm plotting charts

    We need to plot customized protection curves on TCC charts and would appreciate links to download blank double-logarithm charts. Thank you all for your assistance. GAC

Part and Inventory Search