A) high carrying capacity
The aluminum tube bus is hollow conductor with round surface and large surface area. The current density on the surface of the conductor is evenly distributed. The highest rated current is up to 12000A.
B) strong electrical insulation
The aluminum tube bus is insulated by sealing and shielding, and the grounding point of the shell is zero. The electric field on the bus surface is evenly distributed and the electrical insulation performance is strong, which can be directly through the cable trench and cable sandwich.
C) low skin effect and low power loss
The skin effect coefficient of the aluminum tube bus is low,kf 1, and the ac resistance is small, so the power loss of the bus is small, which greatly improves the electrical conductivity of the bus.
D) good cooling conditions and low temperature rise
The aluminum tube bus is hollow conductor, and the inner diameter air duct of the bus can naturally form hot air convection.
E) High allowable stress, long span, high mechanical strength.
