why ac supply neutral should earth not in dc (-)

why ac supply neutral
should earth not in dc (-)

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why ac supply neutral should earth not in dc (-)..

Answer / subra

DC system also earthed,
In Tele communication equipments are working in 48V dc system
In this DC system positve is directly Grouded( earthed )
Normally this system is called -48v DC system

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why ac supply neutral should earth not in dc (-)..

Answer / ramprasad

DC has no Leakage current but AC has because there are 3
phases in AC and one common neutral points in AC star
connection

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