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
Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?
What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?
What are Contactors? How they works and what its highest rating?
What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?
WHAT IS THE TECHNICAL SPECIFICATION OF C CURVE & D CURVE LEGRAND MAKE MCB
what is under coal gassification?
what is the clear formula to calculate cable size for a load
How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)
ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com
What is stepper motor. What is its uses?
In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?
What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..
What is meant by analogous system?
Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?
Formulae for calculating the transmission line losses for different voltage levels