The operating principle of magnetron lamp-wire power of accelerator is introduced,and the operating states are analyzed including tripolar circuit,lamp-wire current protection circuit,preheating time delay circuit and power circuit.Common failures and corresponding disposals are also introduced.

The competition in modern medical marketplace is stormy.The technical & medical equipment is the focal point of investment for the hospital.This paper introduces the operation,management and maintenance of medical electron linear accelerator,in combination with the reality of the hospital and the working experience.The close relationship between the equipment's high-use rate,low-stop rate,short-term of recovery and every step during the operation of the equipment is explicitly expounded.