Abstract: In order to improve the high-voltage ride-through capability of direct permanent magnet synchronous generator, a high-voltage ride-through control strategy based on energy storage devices and variable DC bus voltage reference values is proposed. In the case of deep high voltage faults in the system, traditional proportional integral (PI) control has problems such as large DC side voltage overshoot, long adjustment time, and significant voltage fluctuations during faults. Automatic disturbance rejection control (ADRC) is adopted to improve the fault traversal performance of the system. Therefore, a second-order linear automatic disturbance rejection controller based on compensation link is studied and analyzed.Analysis reveals that the controller can effectively improve the control performance of traditional second-order linear automatic disturbance rejection controller while reducing their ability to suppress high-frequency noise with increasing bandwidth. In order to further improve control performance and reduce the difficulty of controller parameter tuning, a second-order nonlinear automatic disturbance rejection controller based on sliding mode controller (SMC) is designed. Finally, through simulation and hardware-in-the-loop (HIL) experiments, it is verified that the control strategy can effectively improve the fault traversal ability of the system and improve the response performance of the DC bus voltage during faults.