Table 2 Performance comparison of PI and model reference adaptive controller.
From: A model reference based adaptive controller for power flow management in microgrid systems
Description | PI controller | MRAC |
|---|---|---|
Voltage deviation (Vref vs. Vact) | 7.65 (%) | 3.66 (%) |
Current tracking error (Iref vs. Iact) | 6–8 (%) | 2–3 (%) |
State of charge (SoC) deviation (%) | 0.8 | 0.6 |
Wind power output (kW) | 0.9–1 | >1 |
PV system power output (kW) | 0.9–1 | >1 |
Grid power in kW | 0.9 | 1.1 |
Total harmonic distortion (THD) (%) | 0.87 | 0.26 |
Battery power (kW) (%) | 2.4 | 2.4 |
Overall efficiency (%) | 89.96 | 98.27 |