The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

0 Answers   Ispat,

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Explain the working principle of servomotor

20 Answers   ABB, Bhel, FANUC, GE, Jindal Steel and Power, L&T, SIA, Steelco Gujarat Ltd,

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Why let through energy not considered for ACB breaker while cable sizing?

0 Answers  

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In a panel 2500A ACB is the incoming breaker then what is the size of the bus bar?

1 Answers  

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Why did call copper as a electrical conductor?

2 Answers   ABB,

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how to test the electrical panel.ht lt mcc pcc.

0 Answers   Ambience, Shivalik,

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condider as 100 w lamps glowing . for completing a one unit how much time it should glow

3 Answers   Avalon,

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

0 Answers  

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what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 Answers  

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i have 2kv ups how many watts batteries is required

2 Answers  

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how can we measure the import power and export power in the same line?

1 Answers  

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A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?

1 Answers  

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