Draw the DOL starter and star delta starter drawing?

0 Answers   Danfoss,

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we have 3*1 MW generator one NGR is common for all it will be selected during paralle our problem is two generator ca be paralled but when slecting third one we need to close NGR selection on third one other wise voltage not matching why?

1 Answers  

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how we can calculate 2 phase welding transformer rating or total power?

0 Answers  

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What is the difference between air & vaccum circuit breakers?

2 Answers   IOCL,

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What current flows in the transformer primary when its secondary is open?

0 Answers  

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What is the knee point of voltage of CT?

5 Answers   NTPC,

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WHat is the general checks required for Dry type transformers

0 Answers  

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in how many ways we can make induction motor to run in reverse direction?

5 Answers  

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explain the operating principles of CVT & RVT

2 Answers  

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what will happen if ac motor given dc supply?

1 Answers  

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800a siemens vcb in our company can not be closed electrcally an mechanicaly cc and oc coils are found ok. why?

2 Answers  

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The power consumption, in case of centrifugal loads (like pump, fan, blower etc.), proportional to ____.

2 Answers   BSNL, NTPC,

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