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  • Users: orlyboy
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  1. orlyboy

    Electrical Bus Duct on Side Wall of Blast Resistant Electrical Substation

    Hi Everyone, I need your experience regarding the subject above. We have an ongoing FEED project in one of our client, an Oil & Gas refinery, one of its substation is to be demolished and replaced with new one, a total replacement of old and obsolete 11kV substation. As required by client, a...
  2. orlyboy

    OPEN DELTA TRANFORMER

    Hi Everyone, What would be the PERCENTAGE VALUE of OPEN DELTA TRANSFORMER? Thanks
  3. orlyboy

    AC CABLE SIZING

    How to size the cable for the data given below: Considered Cable = 70 mm2 Route Length = 110 m Load Current = 57.27A Voltage = 110 VDC
  4. orlyboy

    Short Circuit Study - Motor Branch Circuit Protection

    Hello Everybody, I am new in the design analysis and we are using analysis software. In the example, the data are given below. Rated kW = 110 kW Rated kV = 0.38 kV Rated PF = Typical Rated EF = Typical Slip = 0.8 What will be the size of the Protective Device (PD) of the motor? Can someone...
  5. orlyboy

    %TAP of Distribution Transformer

    Can someone explain to me what and how %TAP of Distribution Transformer affect the system. Why and when do we need this? Thanks

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