Research Article

Coordinate Control of Power/Current for Grid-Connected Inverter Based on PCI Controller under Unbalanced Grid Conditions

Table 1

Main parameters of the grid-side system.

ParametersValue

Unbalanced voltages , ,
(case a)

Unbalanced voltages , ,
(case b)

Unbalanced voltages , ,
(case c)

Grid side inductance, 0.006

Grid side resistance, 0.1

DC-link voltage, 800

DC-link capacitor, 0.003

Current fundamental control branch, 0.3/300

Current harmonic control branch, 100/20/20/20