why 400Hz is used for aircraft systems ?
Answer Posted / mahesh
It is mainly to reduce the size of the electrical equipment.
As, flux is inversely proportional to speed(frequency). so
as freqwuency increases, flux reduces. thus the core size
gets reduced.
| Is This Answer Correct ? | 11 Yes | 0 No |
Post New Answer View All Answers
In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?
Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.
If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.
Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??
is it value of power factor is more than unit. whats effects in the source supply
Why you are switching off arc protection mcb when you are taking shutdown for lv board.
A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?
whats the application of voltage regulation? and whats the voltage regulation's device?
what is differnce btwen lll and lllg faults
What are the main faults of DC generators?
Plz tell me how we can find that particular company has vacancy or not
Earth has zero potential then what would be the neutral potential ?
I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?
is oil viscosity affect on motor current?
The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current