Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

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what is zinc diffusion?

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How to decide DO set rating of Transformer?

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can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .

1 Answers   TNEB Tamil Nadu Electricity Board,

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why only violet glow appears in corona effect?

1 Answers  

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main difference between ac and dc?

0 Answers   Classic Network,

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what happen if steam turbine trip,g.c.b not open and excitation off and on condition?

1 Answers  

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is electrons really flow or they just vibrate at their position?

5 Answers   Bhel, HAL,

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Why the core of a underground cable is spiral in shape instead of straight??

3 Answers   Mecon,

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which braking is used in traction motor and what is its working send at mukeskumar27@hotmail.com

2 Answers  

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in a live circuit with a light bulb such that the bulb is off by a switch, is the light glows if the switch 2 terminals are both touched by a mouse?

1 Answers  

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Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803

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