Answer / imranqureshi451@gmail.com

BUCKHOLZ RELAY

Answer / k.prakashchandra

Such relay is possible in digital systems such as
telecommunication.I think it is 'frame relay'.

what is active power & reactive power?

0 Answers   Avtech, Jindal,

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Pl. share your experience about industrial-electronics repair of machine tool.

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how the global warming take place?

1 Answers  

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Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

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what is the difference between dry and wet type of 132kV terminations. which one is durable

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what is the IS foe lightning arrester?

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what is the formulae of calculating voltage drop?

2 Answers  

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This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

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In LT cables 3.5 core cable are available that means 3 core and .5 for neutral Why .5 for neutral and is there any reason for that please suggest thanks and regards pavan kumar

1 Answers   Sodexo,

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IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

3 Answers  

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

0 Answers  

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Why ELCB trip, when neutral touch with ground?

1 Answers  

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