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  1. deco

    Grounded wye vesus single point grounded wye distribution system

    There is always this contention between North american and European standards. One that is of much concern is the use of a grounded wye distribution system in North America where the neutral is brought out vesus the european standarad where only a single point is grounded at the substation and...
  2. deco

    Pratt and Whitney FT8 Gas Turbine

    Pratt and Whitney are trying to sell us an FT8 Gas Turbine which was designed for 50 hz. Our system is a 60 hz system. The FT8 is designed such that the power turbine is a free power turbine, ie. it is only aerodynamically linked to the gas generator. What are the issues we should be...
  3. deco

    Pratt and Whitney FT8 Gas Turbine

    Pratt and Whitney are trying to sell us an FT8 Gas Turbine which was designed for 50 hz. Our system is a 60 hz system. The FT8 is designed such that the power turbine is a free power turbine, ie. it is only aerodynamically linked to the gas generator. What are the issues we should be...

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