Answer / shiva13power

An AVR stands for automatic voltage regulator,it is used to
maintain the output terminal voltage of an alternator
constant by regulating the d.c excitation fed to the
generator.It regulates the output of pilot excitor which is
D.C.

why DC source is used to idetify the polarity of CT/PT?

1 Answers  

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what is current overloading in stack

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I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

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what dose the arrow indicate in the symbol of power transformer?

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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

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where are the circulat the diesel in DG parts name with pictue

0 Answers   SSP, Wipro,

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The undesirable property of an electrical insulating material is

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how to check 3phase motor winding with help of multimeter?

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what solid earthing means?

3 Answers  

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How do you select a cable size(cu and Al) for a particular load

6 Answers   Pepsi,

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how to calculate the cable size for 500 kva transformer?

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what is the size(sq.mm) of these conductors dog,rabbit,tiger,panther,mush,

8 Answers   Power Grid,

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