Design of a low-cost and efficient integrated starter-alternator

This paper details the design and construction of a low-cost electric machine to perform efficiently as both a starter and alternator. In addition to efficiency, considerations are made with regards to safety, size, manufacturability and cost. The design for this machine is chosen to be a single-sided axial flux with surface-mount permanent magnet excitation fitted with single-layer non-overlapping windings (NOW). An analysis of these design aspects will be presented and an accounting of the design procedures will be divulged where appropriate.