600A左右的电缆是有的,但400hz电缆还是第一次听说,我想这对电缆来讲没有必要考虑的吧!

在机场建设中，需要埋地敷设的传送400Hz电能的电力电缆，而国内没有专用的电缆产品，多数使用美国400Hz软电缆或其仿制品。

德国莱尼旗下有一家电缆公司Studer可以提供这类产品。

http://www.--leoni-airport.com/?L=1

Ground power cable systems

BETAjet^® 400 Hz cables are halogen free, most of them flame retardant and oil resistant, with improved fire performance and increased resistance to temperature. 

400 Hz power supply systems provide the external power supply for aircraft on the ground. This system comprises both static cables in buildings as well as flexible connexions between buildings, passenger bridges,hangars, and the aircraft.