Additional losses of synchronous machines

I. H. Summers: Referring to Fig. 3, in which data are given for a 600-volt winding, one bar per slot, the load loss at 100 per cent kv-a. is slightly more than 20 per cent of the full-load loss. Referring to Fig. 4, in which data are given for a 2300-volt winding, 2-coil sides per slot, the load loss at 100 per cent kv-a. is approximately 3 per cent of the full-load loss.