If single phase having 220v so why 3phase is440v.
Answer Posted / pradhyumn
In a 3 phase supply,at any instant one of the phase act as
a returning path for the two phase in a same way as neutral
is used in single phase so 3 phase is 440V and not 660V.
| Is This Answer Correct ? | 17 Yes | 8 No |
Post New Answer View All Answers
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?
why single phase to grd test in HV cable?why not 2 phase at a time?
Define conversion efficiency of a power amplifier.
On Which Pressure PRV is operated.
What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?
How many types of probe used in cro?
What is the need for a controller?
What is negative sequence over voltage element?
What is the difference between amorphous core transformer and CRGO core transformer?.
Write the current equation in series RLC circuits.
What is lifting power for 1 wb/m2 and 1 A magnet?
100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.
What is the vector group of a transformer,how can it be found out?
How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?
what is meant by neutral compensation factor and where it is used