What are the key technologies of EMU braking system? Please elaborate.
Composition of braking system of CRH5 EMU: The braking system of CRH5 EMU is mainly composed of subsystems or components such as air supply system, braking instruction and transmission system, braking control unit, anti-skid control device, basic braking device, sanding device, passenger emergency braking system, parking brake, standby braking system and dynamic braking device.