Fig 1.
Block diagram of the GCI’s proposed control method.
Fig 2.
Block diagram of the control active and reactive powers.
Fig 3.
PLL structure of the three phase.
Fig 4.
Study system configuration with DGs and distorted loads.
Table 1.
Power Line Parameters.
Table 2.
Load/DG Parameters.
Table 3.
Control Parameters.
Fig 5.
Schematics of a system and an MG: (a) without any compensation devices; (b) with active and passive filters; (c) using just the proposed control method on the PV.
Fig 6.
System DG unit currents and NLL current waveforms with THD without any compensation: (a) system currents; (b) PV currents; (c) MT currents; (d) FC currents; (e) NLL 1 currents; (f) NLL 2 currents.
Fig 7.
Block diagram of the control system for the APF.
Fig 8.
System DG unit current waveforms with THD after compensation with active and passive filters: (a) system currents; (b) PV currents, (c) MT currents; (d) FC currents; (e) NLL 1 currents; (f) NLL 2 currents.
Fig 9.
Block diagram of the power electronic interface configuration.
Fig 10.
System and DG unit current waveforms with THD without any compensation devices except for the proposed control method on the PV: (a) system currents; (b) PV currents.
Table 4.
Current and THD results.