Question: A 30kV, 50Hz high voltage Schering bridge is used to test an insulator. The arms of the bridge have the following values on balance:

A 30kV, 50Hz high voltage Schering bridge is used to test an insulator. The arms of the bridge have the

A 30kV, 50Hz high voltage Schering bridge is used to test an insulator. The arms of the bridge have the following values on balance: Standard capacitance = 550pF, resistance branch = 9002 and the parallel combination of resistance and capacitance are 180 2 and 0.18F respectively. Calculate, under the test conditions, the (i) capacitance of the insulator. (ii) parallel equivalent loss resistance. (iii) power factor. (iv) power loss.

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