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  • Users: EricElec
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  1. EricElec

    3 wire motor control with delay

    My understanding is this circuit causes delay of motor off by 1 second. I do not understand why the CR required and why the timer relay alone cannot be usedbe combined here? 1
  2. EricElec

    Generator at low loads

    I am proposing using a 14kw generator for prime power that will be lightly loaded at ~4kw during summer, but winter time would be ~12kw. Will under loading during summer / low load conditions cause problems with pf and wet stacking? Or do these problems only occur with larger >50kw gensets?
  3. EricElec

    Ground Fault Detection (Option 1 vs Option 2)

    So I have a situation where I need to replace an existing 200A fused disconnect with a CB that can also detect ground faults, the 2 options I see are: 1. CB with a shunt coil connect to a ground fault detection relay connected to a Window CT 2. Install a CB with a Electronic trip Unit (LSIG)...
  4. EricElec

    Arch Flash Hazard Analysis

    Hi there, For those that are familiar with the arch flash hazard analysis using SKM, Easypower, etc, Is it possible to perform the analysis on section of the one-line without the full one line modeled? I would imagine you would need the equivalent impedance? Comments?

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