Answer / riyaz

If the earthing is100% good then the voltage must be 230,ofcource its impossible. but voltage between earth and phase 220 or 210.Voltage decreasing indicates level of earthing failure.

Answer / prashant soni

Voltage between Earth and neutral shall never be more than 2V.
V between earth and neutral should be zero.

Voltage must be 230, of cource its impossible.

Voltage between earth and phase 220 or 210.

Voltage between Line to Line :- V
Voltage between Line to neutral or Line to Earth = V/(1.732)

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