Algorithm research of deadbeat control for double-stage photovoltaic grid-connected inverter

作者：Liu, Sheng-Rong^*; Yang, Ping; Xiao, Ying; Liu, Dong

来源：Power System Protection and Control, 2010, 38(8): 26-29.

• Algorithm researches
• Control methods
• Deadbeat control
• Inverter
• Key technologies
• Photovoltaic generation
• Photovoltaic grids
• Power fluctuations

Genlock is a key technology of photovoltaic grid-connected inverter, which can impact the entire system performance directly, but traditional genlock technology is lack of speed or stability. On the basis of the deadbeat control algorithm, a deadbeat control genlock strategy is given in this paper, which is used in single-phase and double-stage photovoltaic grid-connected inverter. The simulation results show that when the sunlight leads to power fluctuations or the frequency of power grid changes, the control method can transport the energy of PV cells as much as possible, and the output current can track the power system voltage fastly and accurately, the power factor is closed to 1.

• 出版日期2010-4-16
• 单位华南理工大学