why cannot we use a freuency more than 400hz is used in aircrafts?

1 Answers  

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What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

0 Answers  

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suppose a fan is running with phase and neutral. if its neural is touched to body. then fan get stopped. if this fan is connected to phase and ground supply..then why it runs?

1 Answers  

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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.

0 Answers   Motherson, Motherson Molds and Diecasting Ltd.,

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What is meant by directional power and reverse power relay ?

1 Answers   HAL,

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How to test IR testing & magnetic balance test

0 Answers  

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figure of phasor diagram of transformer when full load or no load ?

1 Answers   Swastik, TCS,

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which %age if losses increases when frequency is increased to 25%

4 Answers   Maihar Cement, Siemens,

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WHAT IS THE DIFFERANCE BETWEEN IP54 AND IP55

2 Answers  

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What is the difference between earthed & unearthed system?

2 Answers   HCL,

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In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

0 Answers   Siemens,

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What is the high tension lines voltage and low tension lines voltage?33 kv is high tension line or low tension.

1 Answers   MPSEB,

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