Results 11 to 20 of about 150,728 (293)
Energy Reports, 2023 Unbalanced issues and power quality problems can be handled using shunt active power filters (APFs). Under weak grid conditions and unbalanced grid impedance, the unbalanced three-phase load leads to unbalanced grid currents and point-of-common-coupling ...
Mohammad Alathamneh +2 more
doaj +3 more sources
IEEE Access, 2023 Recently, the regulation of photovoltaic inverters, effectively under imbalanced voltages on the grid, has been crucial for the operation of grid-connected solar systems.
Nagwa F. Ibrahim +3 more
doaj +2 more sources
Control Approach of Grid-Connected PV Inverter under Unbalanced Grid Conditions
ProcessesIn grid-connected photovoltaic (PV) systems, power quality and voltage control are necessary, particularly under unbalanced grid conditions. These conditions frequently lead to double-line frequency power oscillations, which worsen Direct Current (DC ...
Mohammed Alharbi
semanticscholar +2 more sources
Energy Reports, 2022 In the photovoltaic grid-connected power generation system, when proportional resonant (PR) control is adopted for the grid-side inverter in the two-phase stationary coordinate (αβ), there is a coupling problem between active power (P) and reactive power
Fuyun Wu +3 more
doaj +3 more sources
Ain Shams Engineering Journal, 2021 This paper presents improved energy management for grid-inverter of a hybrid photovoltaic (PV)/fuel cell (FC) energy system with unbalanced sensitive loads.
Mustafa İnci, Mehmet Selim Aygen
doaj +1 more source
Energies, 2022 Discussed in this study is a bidirectional power control technique for a three-phase grid connected inverter under different unbalanced grid conditions.
Mohammad Alathamneh +2 more
doaj +1 more source
IET Power Electronics, 2023 This paper investigates space‐vector‐modulation (SVM) technique that uses only rotating space vectors to drive a direct matrix converter (DMC) with zero common‐mode voltage (CMV).
Luka Stanić +3 more
doaj +1 more source
Energy Reports, 2022 The Vienna rectifier is an excellent Power Factor Correction (PFC) AC–DC converter which has low Total Harmonic Distortion (THD) of input current, resistance to high-voltage, and high efficiency.
Jianguo Lyu +3 more
doaj +1 more source
Control strategy for microgrid inverter under unbalanced grid voltage conditions [PDF]
2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE), 2014 This paper presents the theoretical analysis of the inherent reason of current harmonic and power oscillation phenomena in case of operating the microgrid inverter under unbalanced grid voltage conditions. In order to flexibly control the current harmonic and power oscillation, a new stationary frame control strategy is proposed.
Xiaoqiang Guo 0002 +4 more
openaire +1 more source
Frontiers in Energy Research, 2022 Proportional–integral vector control (PIVC) has been proposed as an effective control strategy for modular multi-level converter (MMC) under balanced grid conditions.
Tianyi Guan +6 more
doaj +1 more source