Answer / gunasekaran

this condition is single phasing it is continuouly rotate
but not full speed and it draw more current from other 2
phase nearlly around 2 time of normal curren

Answer / george

if load condition means m/c will stop.
if no load means not in full speed in depends up on HP

If VFD is On but no starting commond on it. so how many outpout voltages of VFD

0 Answers  

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what are the different pre- commissioning tests performed on distribution transformer, power cable and switchgear?????

1 Answers   Reliance,

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How do I calculate/select Droop CT ratio for various capacity of generators?

0 Answers  

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effect of single phase transformer on full load current?

2 Answers  

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why is  use the star and delta connection and difference

1 Answers  

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What are the reasons for AVR failure in LT DGsets ?

2 Answers  

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What are the methods/types of distance protection schemes used in transmission system?

2 Answers  

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how many types of ACB breakers, describe briefly..?

0 Answers  

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1)Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? 2)What is the reason for transformer Noise ?? 3)What is relation b/w Transmission Lines & Communication Lines ? 4)Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ?

14 Answers   NTPC, Tata Power,

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What is the deffirant between EARTH, GROUND AND NUTRAL

4 Answers   TCS,

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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What will Happened if the polarity of CT is changed?

13 Answers  

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