A 60-Hz three-phase, three-wire system with terminals labeled 1, 2, 3 has an effective line voltage of

Question:

A 60-Hz three-phase, three-wire system with terminals labeled 1, 2, 3 has an effective line voltage of 220 V. To determine if the system is ABC or CBA, the circuit of Fig. 11-35 is tested. Find the effective voltage between node 4 and line 2 if the system is

(a) ABC,

(b) CBA.

Line 1 Three-phase Line 2 system Line 3. 1 2 3 M 1000 92 265 nF