电气控制具有极广泛的运用范圍,列車的电空制动特別是用于运輸頻繁的市郊和地下铁道列車的电室制动,也属于其中之一。市郊运輸需要一种快速而且全部車辆制动机能同时动作的制动系統,以适应高速运行和頻繁停站的情况。这些車辆沒有很大的載重/自重的比例。 Electrical control has a very wide range of applications, the train electro-pneumatic brake, especially for the transport of suburban and subway trains frequently electric chamber brake, also one of them. Suburban transport requires a braking system that operates quickly and with all vehicle brakes simultaneously, to accommodate high-speed operation and frequent stops. These vehicles do not have a large load / weight ratio.