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