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When neutral is grounded in electrical circuit?
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Answer Posted / eduardo
There are 3 types of neutral systems: TN TT and IT. In both
TN and TT the neutral should be connect to earth. IT the
neutral should not be connect to earth (or connect via a
high value restistor).
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1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.
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