IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

7 Answers   DOL, GSK, Ojus,

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Why don't connect earth wire to elcb?if earth fault occur,how will detect it

1 Answers   TATA, Tata Communications, Telecommunications,

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How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil?

2 Answers  

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What is the value of 3 phase voltage?

8 Answers   RECPDCL,

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What are the starting currents of different motors and also what are the running currents, and idle currents?

6 Answers  

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why always electric field is linked with magnetic field???

2 Answers   Bhushan Power Steel, NTPC, Tata Steel Limited,

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What is domestic transformer? Draw the connection of domestic transformer.

0 Answers  

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what is hystersis loss?

3 Answers  

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Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??

2 Answers  

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Differentiate between ideal and non-ideal voltage sources?

0 Answers  

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When a capcitor is used on 440 v thenthis is kvar rating 25kvar .my question is that when we use this capcitor  use 480 v &525 volt .how much kvar increase . Plz give my question ans. And give answer with formula .my mail id is rohitashsaini013@gmail.com

1 Answers   Neptune,

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Can anyone tell the proper diagram of star delta starter????

0 Answers  

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