What is a busbar? And determine ampere according to size?
What is a busbar? And determine ampere according to size?
A busbar is a type of copper or aluminum conductive sheet or rod that collects and distributes electrical energy from one or more circuits.
How many thick copper bars are aggregated in the busbar,
A copper bar is rectangular (rectangular) or copper type or triangular in shape. On one side the supply terminal has a nut bolt arrangement for firm connection and on the other side there is a necessary arrangement for connecting the supply to various loads. Usually 4 busbar system is done for 3 phase, 3 phase, and another neutral bar.
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| Busbar and Calculation |
Two types of switches are generally used in busbar management.
One is circuit breaker and other is isolator.
Usage of Busbar:
1- Constant supply (Cotinunty of supply) Even if one of the systems is shut down, the rest of the system is used to run the system.
2- Maintenance (Maintenance or repair): Without shutting down the entire system for maintenance, maintenance work can be done on one part of the bus bar.
3- Isolation. If a fault occurs in any part of the system, that part can be separated from the healthy system by means of a bus bar.
Note:
For three phase there are four bars out of which there are three phases and one neutral. And written for single phase.
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Busbar Size:
19.05 MM*6.35MM = 100A
25.4MM*6.5MM = 200A/250A
30MM*10MM =400A
40MM*10MM = 600A
44.45MM12.7MM = 800A
50.8MM*12.7MM = 1000A
2*63.5MM*9.525MM = 1600A
2*80MM*10MM = 2500A
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