Design of permanent magnet synchronous generator and anti-electromagnetic interference research

Abstract

Compared with the electric excitation synchronous generator, permanent magnet synchronous generator (PMSG) use permanent magnet excitation to replace electric field winding, which can simplify the motor structure and also reduce the motor weight and loss, improve the efficiency and the reliability of the motor. And it also eliminates the excitation loss. Permanent magnet synchronous generator (PMSG) has many advantages such as wide load range, strong overload capacity and obvious energy saving effect. Based on Motor design software, Motor-Cad, a permanent magnet synchronous generator (PMSG) was optimum designed in this paper it can be used as an independent backup power source for daily life, business, engineering construction site, emergency rescue and emergency treatment, and the establishment of its structure, performance parameter and mathematical model were studied. At the same time, how to improve the capacity of permanent magnet generator against electromagnetic radiation interference is also a problem considered. Therefore, a current switching device is designed in the control system to prevent electromagnetic pulse damage to the permanent magnet generator. The performance simulation verifies that the permanent magnet synchronous generator designed in this paper meets the design requirements completely.