what are ABCD curves in MCBs and how we observe that curves?

2 Answers  

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wha tis the ac motor used for traction system

4 Answers  

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How much energy save vfd if motor run on 50 Hz (full speed)

3 Answers   Reliance,

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1 kva how much amps? How to calculate ?

2 Answers   L&T,

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why when i start my diesel generator it takes 1 minute or less then stop, and i checked the oil sensor is ok and when the generator start i can get 220 voltage but it it is stop after 1 minute or less, how can i solve this problem?

1 Answers  

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What is mean by INRUSH CURRENT?

8 Answers  

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why to use 50hz only in tansmisson and as well as in distribution why not60hz?

2 Answers  

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What is the basic difference between earthing, ground and neutral?

11 Answers   Balco, Cognizant,

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what is pole slip ?

4 Answers   NTPC,

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why there is a humming noise in transformer

6 Answers  

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wat is meant by PX class in ct?

0 Answers  

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HOW BETTER VOLTAGE REGULATION IS OBTAINED BY HIGH VOLTAGE TRANSMISSION....?

1 Answers   Cummins,

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