Seven phase brush-less synchronous motor with reduced inverter size

This paper illustrates a unique inverted DC brushless motor configuration intended for propulsion and transportation systems. This paper discusses the design factors influencing the inverter architecture. The paper discusses the magnetic design along with the motor characteristics, which are utilized further for the design of the electronics. First three sections discuss the motor magnetic design. Section four discusses the inverter design. The paper concludes with possible improvement options for the inverter.