relation between voltage and frequency.
Answer Posted / manish meena
The relation betweeen voltage and frequency is:-
V=4.44F*phi*N, F=frequency
N= speed.
| Is This Answer Correct ? | 109 Yes | 65 No |
Post New Answer View All Answers
Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction
State the formula for overall efficiency of thermal power station
how to calculate transformer load?
In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?
how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.
I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com
sir, Is their any measuring unit of knoking? please explian?
How can two 3 phase transformers of same KVA and Voltage be connected in parallel?
If 24 KVA AVR having Input voltage 200-400v, Output voltage 415+-1%, what will be the voltage if Load is 13A.
Can double compression glands be used with regular cables?
Explain the propagation of harmonics in the network and influence of phase angle of harmonics.
What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?
Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity
How many types of losses occur in a transformer?
What is 11 N1 and 12 N2 in single phase Transformer ?