A 3-phase, 4 wire system is commonly
used for
Primary distribution
Secondary distribution
Primary transmission
None of the above
Secondary distribution
A 3-
4 wire system is commonly used for secondary distribution.
The 4th wire is neutral wire, taken
from star connection and it is half of cross section of phase conductors.
Hence, the correct option is (B).
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's