Characteristic Analysis of a 2 kW High Speed Permanent Magnet Synchronous Generator Using the Equivalent Circuit Method

This paper present an analytical solution to predict the magnetic field distribution and characteristics of a 2 kW high speed permanent magnet (PM) synchronous generator equipped with surface-mounted magnet. To analyze the magnetic field distribution, electromagnetic transfer relations (TR) theorem is applied. And characteristics are obtained by solving the PM machine's equivalent circuit (EC) equation for variable resistive load and the operating speed. The analytical results are validated by comparison with nonlinear finite element analyses (FEA) and experimental results.