随着我国高速公路及城市交通事业的快速发展,汽车的行驶速度越来越快,制动负荷也越来越大,特别是频繁停车的市内公共汽车和在山区行驶的汽车,制动负荷过大的问题更加突出。为提高汽车的行驶安全性,降低汽车运行成本,近年来,电涡流缓速器作为一种辅助制动系统在客车及载货车上得 With the rapid development of the expressway and urban transportation in our country, the traveling speed of the car is getting faster and faster, and the braking load is also getting larger and larger. In particular, the frequent bus stopping in the city bus and the car running in the mountainous area, the braking load Excessive problems are more prominent. In order to improve the driving safety of vehicles and reduce the running cost of vehicles, eddy current retarders have been used as an auxiliary braking system on passenger cars and trucks in recent years