Answer Posted / vinodh.t,sathavahana ispat ltd
1.constant power :in single phase power varies sinosoidally
from zero to a peak value at twice the supply
frequency.this pulsating nature of power is objectionable
for many application in 3 phase the poiwer supplied at all
instants of time is constant
2.the output of a 3phase machine is greater than that of a
single phase machine for a given volume and weight of
machine.
3.the 3 phase motor are much smaller and cheap than single
phase
| Is This Answer Correct ? | 18 Yes | 1 No |
Post New Answer View All Answers
Please explain me about Relay curves and their sources to read ?
how to calculate the conductor size for certain KV transmission line and distribution line?
do any one help me to get "C" license,, i have doubts ,,, if mediators ter pls call me,, my no is 8056640042
What is the Minimum winding resistance of motors ( small & big)? referance range
What is sensitivity of a measurement?
Why r u using pf panel. what the uses
testing of Vector Group – YNaoD II
what are the possible reaons & remedies if resistance of NGR getting heat up
dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?
What is the previous name of Cox's Bazar
How to test REF relay testing for LV panel as per Kahramaa standard?
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
how indusrial diesel generator work
In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?
what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????