In electric power distribution, a busbar (also bus bar) is a metallic strip or bar, typically housed inside switchgear, panel boards, and busway enclosures for local high current power distribution.
What is the purpose of bus bar?
Busbars are metal bars used to carry large amounts of current. Often made of copper or aluminum, every home electrical panel has busbars to distribute ac power to the rows of circuit breakers (Fig. 1).
What is meant by bus bar in electrical?
Definition of bus bar
: a conductor or an assembly of conductors for collecting electric currents and distributing them to outgoing feeders.
What is difference between bus bar and cable?
A busbar is a rigid piece of copper or aluminum, bolted or housed inside switchgear, panel boards, and busway enclosures for local high-current power distribution. Electrical cables are an assembly of one or more wires running side by side or bundled to carry electric current.
What makes busbar special?
Bus bars reduce system costs, improve reliability, increase capacitance, and eliminate wiring errors. They also lower inductance and increase capacitance. Plus, the physical structure of bus bars offers unique features in mechanical design.
Is a busbar necessary?
Busbars have several benefits and are crucial in electrical distribution systems. This is especially the case when simplifying the process of electrical power distribution, reducing overall cost while allowing for greater flexibility.
How is busbar rated?
Normally bus-bar is rated in terms of current, voltage, frequency and short time current based on the application.
What is bus bar and types?
Such type of arrangement uses two type of busbar namely, main busbar and the auxiliary bus bar. The busbar arrangement uses bus coupler which connects the isolating switches and circuit breaker to the busbar. The bus coupler is also used for transferring the load from one bus to another in case of overloading.
