Answer / felixraj

in dc frq is zero so arcing is good.

Answer / dhaval patel

in dc wavelenth is flate then it is verry effected to
welding

Is CBCT protect human life? If yes than how?

1 Answers   Torrent Power,

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with out name plate details , how to find the metering ct and protection ct.?pls brif explaination about that.

3 Answers   APNPDCL,

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What is the formula for finding fault level of generator?

11 Answers  

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why can tv operate at low voltage??

2 Answers  

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What is the formula to calculate the rating of a three phase miniature circuit breaker

0 Answers  

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What is the difference between induction motor and the Synchronized one?

4 Answers   Foxconn, Sabic,

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In which iron losses is higher induction motor /transformer

1 Answers  

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what are the components of a start and stop motor control?

2 Answers  

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Why should we use Star-Delta connection in step down power transformers?

7 Answers   L&T,

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Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.

0 Answers   Pride Hotels,

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Why underground cables are used to connect transformers?In addition how are they again connected to lines after step up or step down?

1 Answers  

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What is the difference between earthed and unearthed cable

5 Answers   FT, L&T, Suzlon,

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