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Question
what is the meaning of bus bar, in electrical panels.
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Bus bar is Aluminium or copper flat/strip installed inside
any panel for carrying current. Incomming suply comming
into the panel through incomer (VCB/ACB/MCCB/MCB/Isolator)
and connected to this busbar. To this busbar all outgoing
feeders are connected via breaker.
The busbar may be in LT or in HT panel.
 
Is This Answer Correct ?    51 Yes 2 No
Tauseef Tarique, Engineer(e)
 
Answer
# 2
it will carry the rated current contuniously 
Is This Answer Correct ?    34 Yes 10 No
Selvakumar.v
 
 
 
Answer
# 3
First of all Busbar is a bar conductor having comparitively
higher thickness in order to neglet I(square)*R losses.

The purpose of placing busbar is to maintain constant
voltage to all parallel circuits connected throughout the
panel.
 
Is This Answer Correct ?    18 Yes 3 No
Victorvgp
 
Answer
# 4
High current carrying conductor to which the breakers are
connected in panels is called busbar.
 
Is This Answer Correct ?    14 Yes 6 No
Minal
 
Answer
# 5
Bus bar means Cu-Patti. It Carrying A High Current With
constant Voltage.Bus bar Used in l.T panel.
 
Is This Answer Correct ?    7 Yes 5 No
Sushant
 
Answer
# 6
Busbr is an electrical conductor material (copper or
aluminium), suitably sized to carry specified currents both
thermal and short circuit for a defined time, supported on
insulators or surrounded by insulation materials, used to
make common connections between many circuits or
interconnect incoming power supply and outgoing feeders.
The shape of busbar material can be any, but videly seen
are rectangular, circular tubes, wires etc.
 
Is This Answer Correct ?    3 Yes 1 No
Harithejas
 
Answer
# 7
Busbar is a strip or bar of copper, brass or aluminium that conducts electricity within a switchboard, distribution board, substation, battery bank or other electrical apparatus. Its main purpose is to conduct electricity, not to function as a structural member.
The cross-sectional size of the busbar determines the maximum amount of current that can be safely carried. Busbars can have a cross-sectional area of as little as 10 mm2 but electrical substations may use metal tubes of 50 mm in diameter (20 cm2) or more as busbars.
 
Is This Answer Correct ?    1 Yes 0 No
Kriti Ranjan
 
Answer
# 8
Point at which electrical power is available for
transmission.
 
Is This Answer Correct ?    1 Yes 0 No
Ranjith
 
Answer
# 9
Busbar is a aluminum/copper bar insulated/un insulated
provuded with the panels.
tappings can be made on a busbar.
 
Is This Answer Correct ?    4 Yes 7 No
Vinod
 
Answer
# 10
it is the 3 phase supply line. it carrying high voltage
with constant current.
 
Is This Answer Correct ?    14 Yes 21 No
Infodoss
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer   1
what is the working principle of contactor and conditions of normal open and normal close on it? EEE 3
How to convert KV into MV in a Transformer?. dont say multification of 1000.pls give practical convertion factor.   1
while we select CT, why the CT ratio is divided by 5?? ex:250/5,15VA,CLASS-1 CT.Why it is divided by 5??Help me please   2
why make protection 85% of winding?   1
HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY USING   3
can v rotate single phase induction motor in both the direction...?   1
i purchase a microwave which is 50/60Hz but Current Setting 60Hz in my country we usually use 50hz, can i use AVR to solve my problem? Samsung 2
What is the difference between Ceiling Fan armature and Tablefan Armature or winding. Pricol 5
what is the maximum load on for 10 kva & 25 kva transformer Power-Grid 7
how we can calculate the transformer size. Avalon 19
how do i commission a distribution transformer knowing all its ratings and transformation ratios?d   1
 
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