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Transformers Gas-Insulated-Substations leakage test wika

Resistance and Reactance of Transformer AND REACTANCE OF TRANSFORMER . Resistance: Resistivity of copper at 60 0 C ρ= 2.1 x 10-6 ohm-cm or 2.1 x 10-8 ohm-m or 0.021 ohm/m/mm 2. Mean length of turn of the primary winding L mt P = π x mean diameter of the primary winding. Number of primary turns / phase T 1 or T p = V 1ph / E t. Resistance of the secondary winding / phase rs =

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