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Recent content by rashid_UK

  1. rashid_UK

    Cable Zero Sequence Impedance

    All, Thank you for your suggestions. I have the Westinghouse book so I will read the recommended chapter. The paper by Kaufman - I have not seen this before so will check it out. Anything other suggestions, please do add. Thanks
  2. rashid_UK

    SEL-751A Modeled in ETAP

    As ZeroSeq as said - the only way you can incorporate such a feature is to manually trigger the clearing/trip time of the protective device at the fault location based on manufacturers test data.
  3. rashid_UK

    Cable Zero Sequence Impedance

    Hi all, It is difficult to find good information on the following - What I wish to do is perform a SLG Short circuit study (LV & MV). As an example take the following SLG fault description: System Type: TN TX (solidly grounded) Main earth and neutral are neutralised (connected together) at...
  4. rashid_UK

    ETAP or SKM or other design software?

    Have little experience (demo) with ETAP but have a lot of experience with SKM. Have always found SKM very easy to use and the support has always been quick to respond in most instances when I contacted them. I thought the GUI was nicer in ETAP. I don't think SKM can record live data of your...
  5. rashid_UK

    Transformer Differential Protection

    Hi all, I have been reading technical literature on transformer differential and am having difficulty visualizing why some of the values are what they are, I would be grateful for any comments from members or pointers to good reference material to aid my understanding. My understanding is...

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