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  • Users: grounded7
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  1. grounded7

    Sequence impedances of a power cable

    Hi all, I am using a network distribution software and trying to create some new cables. For the creation of a cable, I have been given a number of parameters that I need to fill in. I have a choice; either I can give the radius and GMR of the cable to calculate the positive and zero sequence...
  2. grounded7

    Demand Vs Load?

    Hi, During my time at university, we used the terms demand and load interchangeably. However currently I am using a software that displays, the results of a load flow anaylsis, different numerical values for Demands (in kW, kVAR, kVA) and Loads (kVAR and kW) on a feeder . I am confused as to...
  3. grounded7

    Harmonic limits

    Harmonics limit settings in the UK are defined in ENA documents G59/2 ,G83/1 and G5/4-1. My question: Is there any similar recommendation body in the US that sets limits on harmonics for DNOs and TNOs to follow? If so, are these limits similar to those in the UK? Additionally, is anyone aware...
  4. grounded7

    LV distribution systems: single phase or 3 phase?

    Hi, Its a pretty basic question (embarassingly enough) but I am somehow confused about the phases on 415V distribution systems (typical neighbourhood voltage) in the UK. Some references quote that voltage is stepped down from 11kV (3 phase) to 415V (3 phase) at the end of the street and this...

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