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

mccb service sittings be done?

0 Answers  

Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

0 Answers  

In what voltage EHT works(133/132/33/66kv?

3 Answers   Adhunik,

i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

0 Answers  

How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).

0 Answers   ONGC,

In star and delta connected systems , for driving power and as well as light load which one you will preferred?

2 Answers   Aramco, IBM,

Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

0 Answers  

1)What will happen when 240 VDC supply is connected to 240VAC supply(DC supply +ve is connected to phase of AC supply & DC supply is to neutral of AC supply). 2)Also what will happen when 240 VDC supply is connected to 240 VAC supply in reverse polarity as of Sr. No 1.

2 Answers  

Explain and give examples about VCB?

0 Answers   AZ Engineering, Vodafone,

how to calculate neutral current in three phase four wire system

1 Answers   Auto Meters,

Difference between SHORT CIRCUIT and an OVERLOAD ?

1 Answers  

respected sir, sir recentely i have applied for chennai and tiruvananthapur section enggineer and juniour engg in electrical dept. but still i donot get how i have to syart my preparation and also t the same time i donot know exactly what they r going to give in the examinations i mean which sections they r going to give i donot know exactly, can u prefer whichh books i have to follow and model papers or both boards

1 Answers