Answer / s.sundar rajan.

Yes, there is diff. Ground fault means it is a dead short
of the line into the ground terminals and whereas the earth
leakage means it is not short, it is due to leakage b/w
connectors or line to neutral or poor insulation of the
conductor which has leakage current will flow to earth.

we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

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