Fault Analysis and Improvement of Starter Contactor of Cessna 172R Power system

摘要

The aircraft AC generator is the most important component in the aero-power system, which has close relationship with the flight safety. This paper recorded Cessna 172R’s power system failure, analyzed the cause of this failure, studied the principle and mechanism of contactor in this aircraft. It proposed three measures to eliminate similar fault, to be popularized and applied in the practical application, it was proved that it can reduce the incidence of this kind of trouble.