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  • Users: hamid66
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  1. hamid66

    station earthing system maintenance

    hi you know in urban substation with age of 50 years old service requirement are: inspection service earthing system impedance test step & touch and transferred voltage *earthing system injection test in injection test, we need a current source to inject and distribute current. in urban, there...
  2. hamid66

    station earthing system maintenance

    hi you know in urban substation with age of 50 years old service requirement are: inspection service earthing system impedance test step & touch and transferred voltage *earthing system injection test in injection test, we need a current source to inject and distribute current. in...
  3. hamid66

    bonding of communication tower in substation

    Hi I would like to have some information about bonding of communication tower with main ground grid in electrical substation in our country (iran) communication tower in substation have separate ground system.
  4. hamid66

    steel ground grid

    Hi I would like to have some information for using steel instead of copper in substation ground grid. Although the main problem is corrosion and it should be considered in design stage. I would like to know if in your HV substation steel is being used and what type of conductor (Galvanized...

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