An optimized LVRT control strategy of cascaded modular medium-voltage inverter for large-scale PV power plant

T Zhao, Z Feng, M Wang, M Wu… - IEEE Journal of Emerging …, 2022 - ieeexplore.ieee.org
Active power backflow is an inherent problem of three-phase cascaded H-bridge (CHB)
photovoltaic (PV) grid-tied inverters during low-voltage ride through (LVRT), probably …

An Optimized Active Power Backflow Suppression Strategy for Cascaded H-Bridge PV Grid-Connected Inverter During Inter-Phase Short-Circuit Fault

T Zhao, Z Sun, Z Feng, M Wang, M Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Active power backflow is a unique problem of three-phase isolated cascaded H-bridge
(CHB) PV inverter during asymmetric grid voltage fault, resulting in the continuous rise of H …

Active Power Backflow Suppression Strategy of Cascaded PV Solid-State Transformer Under Interphase Short-Circuit Fault Condition

T Zhao, Z Feng, M Wang, M Wu… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Currently, the grid-tied guidelines all require large and medium-sized photovoltaic (PV)
power stations to stay connected to the grid during low-voltage ride through (LVRT) …

Active power return suppression strategy of three-phase cascaded multilevel photovoltaic inverter based on harmonic compensation

Z Sun, T Zhao, L Du, Z Feng… - 2023 IEEE 6th International …, 2023 - ieeexplore.ieee.org
At present, the grid connection guidelines require large and medium-sized photovoltaic (PV)
power stations to have certain low voltage ride through (LVRT) capability, that is, the inverter …