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.

IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

2 Answers  

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How to generate neutral in DG set?

3 Answers  

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For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

0 Answers  

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A simple Question from all.... If Voltage drops then its rated value what will be effect on a Residential load? similarly if voltage rises from its rated value then what will be effects on a load? i know if voltage drops the equipment or device draws more current then its rated what are other reasons ? thanks in advance for ur time.......

1 Answers  

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How Much Capacity of Diesel Genset is suitable for 20 no.s of 1.5ton AC's & Why?(Load Calculation)

11 Answers   Lapis Technologies,

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what is current

8 Answers   NTPC,

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the total iron closs in a transformer core at normal flux density was measured at 25hz and 5ohz and was found to be 250w and 800w respectively.the hysteresis loss at 50hz would be................?????

1 Answers   ABB,

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how does commutator convert a.c to d.c?

0 Answers   NRSC National Remote Sensing Centre, RBC,

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What is the significance of integral controller and derivative controller in a pid controller?

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what is the difference b/w permitivity and permeability

1 Answers  

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what is dry and wet frequency withstand voltage? why & where it is used??

0 Answers  

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List advantges of active filter over passive filter?

0 Answers  

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