Working of microwave oven?

0 Answers   LG,

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a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

0 Answers  

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can we use ELCB and RCBO in one db

6 Answers  

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What is slope...? Explain slope 1 and slope 2...?

0 Answers  

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Why can't we take NO LOAD TRIAL of motors having V1 mounting??

0 Answers  

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i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

0 Answers  

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how to calculate the current capacity of a wire if its dimension in Square mm is given

1 Answers   TATA,

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What is Minimum permicible meggering value for following 1) LT Panels (Ph to Ph / Ph to Earth) 2) 11 KV, HT Panels (Ph to Ph / Ph to Earth) 3) 11 KV Cable 4) LT Cable

1 Answers   BFL,

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What is the difference between RCD & RCCB, Where it can be used

3 Answers  

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define stator,rotor,excitor,rotating rectifier in generator?

1 Answers   Saudi Oger,

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How to work star delts method in the case of single phase motor?

4 Answers   Siemens,

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What will happen if induction motor is supplied with capacitive load?

1 Answers   NTPC,

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