Answer / abhiramsahu2007

FOR STAR CONNECTED CKT ,TO BALANCING CURENT THE NEUTRAL IS
GROUNDED

Answer / khaja tajuddin

whenever a live wire touches an enclosure of an equipment a
ground fault occurs, so to provide the personnel protection
the equipment enclosure is connected to grounded neutral
wire through a grounding conductor to make earth and
enclosure electrically common. At the same time the ground
fault current flows from the enclosure back to the source
to trip the protection device

Answer / saurabh

1) Neutral Shifting is Prevented.
2) System/Personal Safty increses

Answer / eduardo

There are 3 types of neutral systems: TN TT and IT. In both
TN and TT the neutral should be connect to earth. IT the
neutral should not be connect to earth (or connect via a
high value restistor).

Answer / waqar

it is just for personal protection.

Answer / gunasekaran

where it is sorce end and distribution level

Answer / gunasekaran

if it is source end it should be another one is
distribution end.

Answer / sandesh salke

when you use input side delta-star txt
than u txt secondary u will connected the neutral and u r
load is safe and search voltage going to grounded.

Answer / dhivya

where we need for away from shock

hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

0 Answers  

give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

0 Answers  

how the earhing is done on ship and airplane.

2 Answers  

explain why tap changer is always connected to high voltage winding side of the transformer.

10 Answers   IOCL, UPPCL,

last week we did the REF relay test by closing single pole (R phase) of CB and apply 380V at the primary of delta transformer. we get 33A at the primary of the R phase star end. but we get 380A at both R an B in delta side. how and why?

1 Answers   Siemens,

Why celing fans will rotate slowly after some days.?

2 Answers  

What is mean 2XWY

0 Answers   Wilo,

What is short circuit analysis of electrical networks?What are the procedures to be followed for its calculation?

2 Answers   DLF,

a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

What is double throw isolator and single throw Isolator.

1 Answers   KSEB, L&T, Siemens,

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

1 Answers   ABB, Corsa,

in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers   GATE,