what are effects of harmonics in the three phase a.c power system ?

2 Answers   AIIMS,

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in how many ways we can make induction motor to run in reverse direction?

5 Answers  

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why fan consume constant power even when we increase or decrease its circuit resistance through speed regulator???

2 Answers  

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what happens if commutator is removed in an dc machine?

3 Answers  

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WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

0 Answers  

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what is meant by Ac & DC drives where its useful ? how its functioning ?

3 Answers  

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HOW TO TEST A LIGHTENING ARREST ER ?

0 Answers   Bhushan Power Steel,

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Why 60Hz motor taking more current on load in 50Hz power supply?

1 Answers  

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How can we design MEP services for Commercial Building in area about 22 Acres of land?

1 Answers  

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how ceiling fan worked?

0 Answers  

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Why the size of transformer decreases if we increases the frequency?

5 Answers   Graphics Engineering,

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What is the power factor of a transformer at no load?

0 Answers  

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