What are the industrial applications of Superhetrodyne Receivers ? What are merits & De-merits of SuperHeterodyne Receivers ?

1 Answers   Airtel,

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WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

1 Answers   BK, REL,

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how is efficincy of the transformer is predermined

3 Answers  

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why power is generatd at 50 hz only..? can we do this on another freq...?

7 Answers  

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Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

0 Answers  

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what is difference between neutral& grounding?

6 Answers  

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what will happen if i connect or change line with phase terminal

1 Answers  

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what is meant by carrier aided trip protection in transmission line

0 Answers   GE,

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why CERAMIC material is used in insulators??

1 Answers  

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

0 Answers  

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What are the solutions for avioding sulfide formation at bimetalic (Copper &Aluminium)overhead joints?

2 Answers   HAL,

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Why are cables rated for 40 KA for 0.25 Sec fault current rating?

0 Answers  

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