Research Article
Control Strategy of Three-Phase Photovoltaic Inverter under Low-Voltage Ride-Through Condition
Figure 23
Active power and reactive power when grid dropped at a single phase. Note: 1: reactive power/kvar; 2: active power/kW.
(a) Single axis control method |
(b) Dual rotating coordinate controller |
(c) Active damping compensation feedback control strategy |
(d) PR controller |