1. What is Bus Bar?
Bus bar is a metallic strip or conductor shaped in square or rectangle or any…which is used in major electrical panel such as MCC (Motor Control Circuit), PCC (Power control circuit), MLDB (Main Lighting Distribution Board) etc. Bus Bars are made up of copper or aluminium or iron or silver or galvanized iron etc. different types of bus bars are used for different types of applications. For example, copper and aluminium used in electrical panel as conductor, iron bus bar used in traction conductor such as lifts, trolleys etc. galvanized iron is used as earthing bus bar. Gold and Silver bus bar is used in high conductivity applications.
2. What is a copper busbar?
Copper is a common conductive metal used in busbars and many electrical utilities around the world. Copper is chosen for it’s resilience to higher temperatures, providing extra security during short circuit situations.
Other benefits provided by the use of copper are:
•Resistance to damage
•Higher performance in clamped joints
•Lower coefficient of linear expansion
•High recovery value
•Higher modulus of elasticity
•The surface of copper naturally oxidizes forming a thin hard layer on the surface which remains conductive. Exposed aluminum surfaces also form an oxidized film. However, this film is not conductive and leads to long term reliability issues with joints.
For an (extremely) in-depth technical analysis on the applications and conductivity levels of copper busbars.
3. Why Busbar are preferred for electrical installation?
•Easy plugin add-on (easy expandable)
•High current carrying capacity as compared with cables
4. Copper Busbar current carrying capacity?
The copper has high conductivity and low resistivity. Copper is having high current carrying capacity. The standard current carrying capacity of Copper busbar is 1.2 times of its area. Which means, take a copper bus bar of 100 mm width and 10 mm thickness, the area of copper bus bar is 10 * 100 sqmm. The total current carrying capacity of the busbar is 1.2 * area => 1000 sqmm* 1.2 =1200 Amps. Hence the total current carrying capacity of the copper 1200 Amps of 100mm width and 10 mm thickness.
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Ti Anode Fabricators Pvt. Ltd.
No. 48, Noothanchary, Madambakkam,
Chennai - 600 126, I N D I A.
Email: email@example.com Web: www.tianode.com