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Z source inverter overcomes the shortcomings of the traditional voltage source and current source, but its DC side current is not continuous, the voltage utilization is low and the boost factor is limited. In recent years, some scholars have proposed a new inverter — switching boost inverter (SBI). Compared with the traditional Z source inverter, the boost factor of SBI is reduced, but the cost and...
Grid connected photovoltaic systems have been paid more and more attention by people. The problem of anti-islanding is a key problem that threatens the secure operation of distributed generation (DG) system, so the system must have the function of timely detecting islanding. The traditional active frequency drift (AFD) method is not fast enough, and the total harmonic distortion (THD) is large, which...
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