what is humming noise and wha is the reason to develop humming noise in a mv pannel ?

2 Answers   HPL,

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what is the differnce of STATIC ENERGY METER FROM ordinary energy meter?

1 Answers  

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WHEN TWO ALTERNATORS ARE OPERATING IN PARALLEL, EXPLAIN WHY IT IS OBJECTIONABLE TO OPERATE ONE AT A LEADING POWER FACTOR AND ONE AT THE Lagging power factor?

1 Answers  

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hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

0 Answers   Ansaldo,

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how to protect motor in dol starter having capacity of 30 hp.40 hp?

0 Answers  

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pls someone send me sample question papers along with the key.thanks in advance

0 Answers   HPCL,

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How i can calculate current of cable according to ares?

0 Answers   Pharma,

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what are the losses of capacitor??

1 Answers  

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if 300 hrs not comleted at wat interval b.c,d checks og take place

1 Answers  

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what is the difference between electrical and electronic choke?

0 Answers   TCS,

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What happens when reactive power enters a system?

6 Answers  

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If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

0 Answers  

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