Difference in Energization Mechanism caused by Change in Brush Ag Content in Sliding Energization of Steel Slip Ring and Ag Graphite Brush

A brush-slip ring system enables the transfer of electrical current between stationary and moving parts. It is widely used mainly in the excitation mechanism of AC rotating machines. In recent years, various brush-slip ring systems have been developed. Their uses range from automotive alternators to grounding mechanisms for electric railways. Therefore, brush-slip ring systems require maintenance-saving features and improved reliability.