We are in the process of having an EPC design a new solar plant for our company. The transformer is a 160MVA YDY 230kv/34.5 KV. Inverter isolation transformers are delta on the 34.5kV side. There are no appreciable LN loads.
One of the questions that has come up is the reactance of the neutral...
Hi,
We had event on one of our thermal generating units where it appears an SCR went into lockup (latchup). The equipment is a 1982 vintage GE 7E gas turbine (74MW) with a GE 7A4 generator (13.8kV, 94MVA). The bridge is an original GE busfed half-controlled bridge with a Basler DECS400 front end...