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  1. etgbccc2003

    Difference Between RFCC and FCC

    Hi guys, Can anyone explain to me the differences of FCC and RFCC? What's the difference in feedstock and typical yields composite of various petroleum products (LPG, gasoline, naphtha, gasoil, etc)? Thanks.
  2. etgbccc2003

    Generators running on oil and gas

    Hi guys, How easy is it for power generators to switch between different feed? Example. Can a generator running on oil today be running on natural gas tomorrow? If yes, is it true that most large power plants have such generators that can switch fuel easily? Thanks.
  3. etgbccc2003

    Transformer Fault Analysis

    We have a transformer fault on a 33kV/6kV secondary linkbox of a 15MVA transformer. The event recorder at the differential protection (using GE multilin 745) shows that the secondary CTs shows about 4000A (not the same value for all 3 pahses but about 4000A while the primary CTs shows about...
  4. etgbccc2003

    Please help: Motor Constructionction NEMA Vs IEC

    Dear Sir, In IEC, there's a Ex 'n' and Ex 'e' construction. However, in NEMA, what's the equivalent? If we need to use a motor in class 1 division 2 area with possibility of hydrogen (Group B). How can we specify for a NEMA frame-size motor? Thanks. Regards etgbccc
  5. etgbccc2003

    What's the normal operating temperature of bearings?

    Dear All, I have very little knowledge on bearings and would like to understand the above. Anyone kindly advice? Thanks.

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