Answer / rams

Bus bar means it is a current carrying device.Bus duct it
is a bus bar enclosing equipment

Answer / kj

Busbar is a conductor of electrical power. It is usually
made of copper but sometimes also of aluminium. It is
usually rectangular in cross section. Busbars are used
inside switchboards where it is normally not insulated but
protected from access by panels. The busbars are mounted on
insulating blocks.

A bus duct is an enclosure which contains a number of
busbars (phases, neutral and earth). It is used for
connection between switchboards. Here the enclosure us used
to protect the busbars from being touched. the busbars are
also held in insulating blocks.

For a load of 40HP induction motor.what will be size of Armoured copper cable require to connect the motor to starter in Star-Delta?

1 Answers   CG,

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what is the function of Droop CT and where it is used?

3 Answers   Lanco,

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2 Answers  

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how to use single phase supply for a three phase equipement.

0 Answers  

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what is units of resistance

3 Answers  

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single phase for 230 then why three phase are 440 volt

4 Answers   ACIL,

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Why X'mer rating in kva only?

4 Answers  

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What is expention fastener (Fan)

0 Answers  

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what is the use of conservator in a transformer?

6 Answers   L&T, TATA, Tata Motors,

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Why ELCB trip, when neutral touch with ground?

1 Answers  

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0 Answers   ABB,

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While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

0 Answers  

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