Answer / prakash

For Pahse to Phase - 30 to 50 mm
And For Phase to Neutral - 20 to 25 mm

i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

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While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?

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what is the method to calculate the voltage drop for number of meters Example 250volts I/p at one end if the cable length is 50 meters what could be the drop?, after 100 meters how much? needs formulae.

1 Answers  

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how to varied the frequency in transmission line and how i kept it as a constant one?

2 Answers   L&T,

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Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

0 Answers  

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why do power factor in the three phase induction motor increases with the load ???.

3 Answers   Jindal,

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Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

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How many homes can a 500kva transformer supply in S.A

1 Answers  

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Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%

1 Answers   Bhel,

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In the Load Test of 3 Phase Squirrel Cage Induction Motor, 2 wattmeters are used. One of the wattmeter deflects in negative diretion during no load. Why?

1 Answers   CAT,

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What is Ton Capacity of Air Conditioner?

1 Answers   TATA,

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sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1 Answers  

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