Hi,
Please advise and provide for the Sizing calculation kVA of a Earthing Transformer (ZigZag wound).
Inputs :
Earthing Transformer is for connecting to 22kV, 3 phase 3 wire, 1250 Amp, Isc-25kA.
22kV bus Upstream is connected to 40MVA 230/22kV YNd1 Transformer.
Maximum line...
Hi,
Please advice for the ZigZag wound Earthing Transformer sizing calculation basis and formulaes.
Earthing Trafo to be connected to : 22kV, 3 phase, 3 wire, 1250Amp, Isc 25kA bus.
(22kV bus upstream is connected to YNd1 40MVA 230/22kv Transformer )...