I want to use an ELCB in a thre phase three wire system.
As only two or four pole ELCB's are available here, can I use a 4P ELCB with any one pole unwired? Will it trip in case of earth fault?
Thnaks everybody for your valuable comments. It seems a 750kVA DG may be just sufficient. However, I guess, I also need to take concurrence from the engine/alternator manufacturers before finalising the rating.
I have following loads to be connected with a 415V, 50hZ, 3 Ph. Diesel Engine driven Generator:
1) 2 nos. 110kW Induction Motor with DOL starter,
2) 1 no. 22 kW Induction Motor with DOL starter,
3) 1 no. 18.5 kW Induction Motor with DOL starter,
4) 1 no. 15 kW Induction Motor with...
