An Optimal Current Controller Design for a Grid Connected Inverter to Improve Power Quality and Test Commercial PV Inverters

Table 1

Assumption to model grid connected inverter.

Electrical parameters	Value
DC voltage source	300 V
AC voltage source	230 V, 50 Hz
Switching frequency	15 kHz
Inductor	10 mH
Output current	12 A
Parasitic resistance	0.33 Ω
Turn ratio of linear transformer	0.6