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What is the reason for unequal distribution of voltage among different unit of suspension insulator?

What is the reason for unequal distribution of voltage among different unit of suspension insulator? Correct Answer Unequal distribution of charging current caused by stray capacitance

The capacitance due to two metal fittings on either side of insulator is known as the mutual capacitance and the capacitance between these metal fittings and earthed pole or tower is known as shunt capacitance. Due to shunt capacitance charging current is not the same through all the discs of strings. So voltage being directly proportional to the current flowing through them will be different.

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