Answer / meenakshi

actually this tan delta test is done for checking the
quality of cable insulation.i vil jez giv u an idea.u plz
try tat in google search.its a pdf file containing a-z of
tan delta test.juz type tis n try....TAN δ (DELTA) CABLE
TESTING,OVERVIEW AND ANSWERS TO FREQUENTLY ASKED
QUESTIONS,BY high voltage VLF HIPOT INSTRUMENTS

advantages of vvvf drives over non vvvf drives for EOT cranes

2 Answers  

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what is vcb & working principal

4 Answers   JLL,

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can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

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which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

0 Answers   Dalkia,

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respetsed sir, i have applied for section engg and juniour engg for both chennai and tiruvunabthapur boards for electrical deportments . can u suggest what books i have to follow and and also from which sections they r going ask (i mean weightage and what topics i have to cover) for both se and je for both chennai and tiruvunanthapur boards.......

1 Answers  

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Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.

0 Answers  

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i have 60Hz motor, can i run it at 50Hz power supply ???

2 Answers  

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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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Is there chopping current in resistive circuit

0 Answers  

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in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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What is Annunciation?

0 Answers   Solare,

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AC covered area by ton calculation

2 Answers  

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