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: *

  1. paulcolesec

    Current in relay earth fault element

    We have a 10MVA 33000/11000 volt transformer connected to a 27-panel 11000 volt board. The transformer is fitted with various types of relays including a GEC K-Series 3-phase and earth fault relay. Recently, it has been noticed that a current reading of 4 amperes can be seen on the 'Neutral'...
  2. paulcolesec

    Live and Dead Tanks

    Could someone please explain briefly the difference between live tanks and dead tanks with reference to medium voltage switchgear upto 38kV. Many thanks, Paul
  3. paulcolesec

    P & B Thermal Relays

    I need a copy of the Operating Manual/Test Procedures for a P & B Thermal Overload Relay for Generator Protection. I have tried searching the web sites of P & B, Potter & Brumfield, Siemens and TYCO but so far I have been unable to locate any information. Can anyone please advise me where I...
  4. paulcolesec

    Size of LV cables of a Transformer

    What determines the size of LV cables on a Transformer ? Say on a 11000/415 volt 800 kVA, is it the conected load or the the actual kVA Rating?
  5. paulcolesec

    Earthing of Transformers

    On a standard 11kV/415v distribution transformer, what is the minimum size of earthing conductor required ?<br>Should it be bare tape, insulated tape, bare stranded conductor or covered stranded conductor ?

Part and Inventory Search