Suppression Strategy of Subsynchronous Oscillation Based on Dynamic Voltage Compensation Control for Grid-Forming D-PMSG in Weak Grid

Table 3

Comparison of the mitigation methods in subsynchronous oscillation.

Mitigation method of oscillation	Power coupling	Robustness	Dynamic regulation	Weak grid adaptability
Virtual resistance	✓	✗	✗	Normal
ADRC	✗	✓	✓	Strong
ADRC+virtual resistance	✓	✓	✓	Stronger