A Virtual Synchronous Generator Control Strategy for Microgrid Based on Harmonic Current Bypass Control

Table 1

Comparative analysis of microgrid’s harmonic suppression.

No.	Strategy name	Fundamental (50 Hz)	THD (%)
1	Traditional droop control strategy	307.8	10.5
2	Traditional VSG control strategy	314.7	3.1
3	Virtual impedance VSG control strategy	313.3	2.3
4	Improved VSG control strategy	313.4	1.72

VSG: virtual synchronous generator.