Development of Load Cycle of Automotive Alternator

The reliability of the vehicle electrical equipment is determined by the performance of the vehicle alternator, as the main source of electricity on board. Defects in automobile alternator s lead to a decrease in the generated energy, which is characterized by a change in the output voltage and current strength. It is proposed to diagnose the technical condition of an automobile alternator by assessing changes in its parameters during the load cycle. The load cycle of the alternator has been developed for testing it directly on the vehicle. The load cycle includes typical modes of vehicle movement, characterized by a change in the speed of movement and the current strength of consumers, which make it possible to assess the performance of an automobile alternator. The numerical values of the load cycle parameters are obtained when testing a serviceable alternator in a passenger vehicle. Further studies are aimed at determining the numerical values of the cycle corresponding to alternator with the most characteristic faults.