why 3phase is 440v but where as we get phase voltage 220v,we
have to get 220*3=660v.can u pleas give in detailed
Answer Posted / johnsly
Its the root mean square value, not simple 3*220V. Means
root 3 * 220.
Is This Answer Correct ? | 3 Yes | 4 No |
Post New Answer View All Answers
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
can we synchronize star system generators with delta system transmission line ? and how ?
1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.
What is servo motor and what are different types of servo motor
what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.
What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?
sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.
How many types of protection relays are there based on the characteristic?
What is industrial plc
what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?
What are the essential characteristics of signal flow graphs?
i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me
PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??
What is frantic effect?
how does commutator convert a.c to d.c?