How to size Air Circuit breaker (ACB)? What is the most important factors?

0 Answers   ABC,

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What are Line losses and how can be it minimized/controlled.?

2 Answers   Omega, XYZ,

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what is resistor

9 Answers  

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WHY SECONDARY OF CT SHOULD NEVER BE KEPT OPEN CIRCUITED?

7 Answers  

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give single line diagram of D.O.L and star -Delta starter ?

8 Answers   ABS, Al-Shuaah, Alkali Metals, Cabin Crew, Cognizant, CRI, Gwalior Distilleries, Hotels, Logicon Engineers, Max India, Nicomet, Radisson Blu, RK Company, Siemens, SLCM, Solar, Steel Strips Wheels, Sugar Factory, TATA, TCS,

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what will be efficient rating of ac motor to lift a 10 kg wt of stone to 10 meter height with input 220V AC 50 Hz frequency???

1 Answers  

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Is ground earthing required for neutral conductor of a prime mover ie DG set?

1 Answers  

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Why we are mostly using a single 3-phase transformer instead of three 1-phase transformers?

7 Answers  

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principle of power export and import in captive power plant.Is it depends upon voltage,current or frequency?Plz explain briefly.

1 Answers  

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mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

0 Answers   IFFCO,

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i am iti student i have project to do. that IS 100MW 220\33KV SUBSTATION I WANT TO KNOW HOW TO START, LIKE CALCULATION, WHAT RATING OF CT,CVT, PT, ISOLATOR LIGHTING ARRESTER WAVE TRAP CIRCUIT BREAKER IN 22OKV SIDE, ALSO TO WARDS 33KV SIDE PLS HELP ME WITH THIS, THIS MY LIFE NOW, I KNOW AUTOCAD, I LIKE TO KNOW HOW TO CALCULATE ALL THE THINGS

3 Answers  

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what is meant by re-rolling motor? how it differs from standard motor?

0 Answers  

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