Answer / zizo

PSE act as isolator between protection equipment and
communication cloud.

Answer / dinesh

Protection signal(Pulse) helps to act the relay to trip
and disconnect the equipment from the damage,

why celing fan is running in anti clock wise and table fan is running in clock wised?

2 Answers   Ambuja, Infosys, MAHINDRA,

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In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans

0 Answers  

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Which rccb 30ma,100ma,300ma sensitivity should be used in domestic line and what is difference, advantage and disadvantage of all three

2 Answers  

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what is power factor?

7 Answers   CA,

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what is the need of starter in tube light and what type of starter is used in that?

0 Answers   Sedemac, Sepco,

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why skin effect is decreases with decrease with frequency? why skin effect occur

5 Answers   Kirloskar,

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In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

0 Answers  

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A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

0 Answers   VECL,

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if i have to use 14 kw what size of power cable can i use and size of earth cable also.

2 Answers  

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WHAT IS THE DIFFERENCE B/W BUSHINGS AND INSULATORS? WHAT IS THE CREEPAGE DISTANCE ?

3 Answers   TCS,

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Can you explain the phase displacement between primary and secondary of power transformer of any vector group(for ex)?

1 Answers  

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how to calculation increase power factor for single phase

0 Answers  

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