which type of motor using in drilling machine ? & who to produce very high torque in drilling machine?

1 Answers   National Drilling Company,

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what use can we make of 3rd harmonic component

5 Answers   Bhel, General Motors GM,

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how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

0 Answers  

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Describe: Energy efficient motors

1 Answers   Reliance,

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Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?

0 Answers   Adani Power,

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is it necessary for 200 kva transformer to have marshaling box and cu plate earthing for neutral

1 Answers   Blue Star,

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

1 Answers  

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differance b|w ground, neutral&earth

11 Answers   Bhel, SKH Metals,

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In Power transformer oil temperature or winding temperature will be high

3 Answers  

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1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

9 Answers   NTPC, Reliance,

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What is reactive power?

7 Answers   Suzlon,

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Hi, what is 100 % stator earth fault protection and how it can be achieve by 3rd harmonics and low frequency injection principle ?

1 Answers  

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