基于转子惯性储能的直驱背靠背中心点钳位永磁同步风电系统低电压穿越研究-Use of Stored Energy in PMSG Rotor Inertia for Low Voltage Ride Through in Back to Back NPC Converter Based Wind Power Systems

These are some useful documents that can help to understand permanent magnetic synchronous generator (PMSG)

Advanced DSP Control of 3-Level DC/AC Converter for Variable-Speed PMSG