Answer / rajkumar

rod earthing

what is the difference between elcb and rccb ?

0 Answers   Trident,

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What is the differance between a converter duty transformer and normal power transformer?

1 Answers   Bhel,

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Why delta connected motors are used normally.

4 Answers  

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what is the use of vcb & isolator in substation?

0 Answers  

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What is Electrical Engineering?

13 Answers   L&T, NTPC, Wockhardt,

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Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

1 Answers   ABB, Corsa,

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Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

0 Answers  

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List out the the types of Mounting Light fixture?

0 Answers   HLL,

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what is the role of frequency in electrical system

2 Answers   Hindalco,

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Reduction in supply voltage by 10% will change the torque of the motor by ___.

1 Answers   UGVCL Uttar Gujarat Vij Company Ltd,

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What is the difference between Analogue Addressable Systems and intelligent Addressable Systems

1 Answers  

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in 3phase 50kva dg what is the full load current for single phase laod

6 Answers  

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