Answer / inder singh

step up transformer increase the voltage and decrease the current .

Answer / naushab alam

step up transformer used for increase voltage and decrease current ,mainly step up transformer used in transmission in long distance , it is economically transmission method.

What is the difference between lubricating oil and insulating Oil?

4 Answers   Orchid,

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How turns ratio test is done in three phase transformers?

2 Answers  

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IDMT relay are mostly used for protection against..??? 1)Earth Fault 2)Inter turn fault 3)Overloading 4)None of the above

1 Answers   Indian Railways,

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What are the tests to be conducted in the electrical installations

1 Answers  

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What is diversity factor and how to calculate it

2 Answers   Al Faraa, Amul, Pentagon, Sobha Developers,

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In stepdown transformer 11/415 volt two nos.(R & Y)HT side fuse is blown ,what will be voltage of ry,rb,yb in secondary side

5 Answers   NTPC,

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What are armoured cables?

2 Answers   IOCL,

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What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?

1 Answers  

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How is a capacitor bank is designed ?

2 Answers   Asian Paints,

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Why 50hz and 60hz frequencies are used by the world, why they are not taking 55hz?

3 Answers  

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what is mean by PID & Principal of working

6 Answers  

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In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

0 Answers  

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