Answer / kashkxh

because when 400hz is in the freqency the the speed increses
the light speed so lowers the size reduction

Answer / yuvaraj

required high speed.high frequency used getting high speed

Answer / sorav

because large value of frequency means,lower value of time,
so,signals are transferred with more accuracy.

Answer / joan serra

400Hz are used to avoid pilot and/or co-pilot epilepsy

when a machine act as genartor and as motor?

2 Answers  

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why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

0 Answers  

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why neutral wire thin than phase wire in 4pole conductor

5 Answers   Hero Honda,

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2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation

0 Answers  

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What is the difference between Relay and Contactor

35 Answers   Siemens,

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In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

0 Answers  

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What is the difference between AVR and Servo Stabliser

3 Answers   Wipro,

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To have variable speeds we use a. Induction motor b. Traction motor c. Shunt motor

1 Answers  

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What will happen if we give AC supply to DC motor?

4 Answers  

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If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

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why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

0 Answers   Operational Energy Group,

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what is allowable ac mixing in dc

0 Answers   Reliance,

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