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Traditional Boost inverters are limited by the range of output voltage, which overcame by Quasi-Z-Source Boost Inverter (qZSI). Quasi-Z-Source inverter has the capacity to acquire any expected output voltage at conduction ratio less than 0.5. This paper presents a novel topology that derived from classic quasi-Z-source inverter (qZSI) to get soft switching status for the main switch. The control method...
The dynamic performance of current is influenced and the speed is limited, for the irregular dc-link voltage utilization in the control of four-switch three-phase (FSTP) BLDC motor. This paper presents a novel topology, which combines quasi Z-source converter and FSTP drive circuit. The drawbacks of FSTP BLDC motor are analyzed, the control methods of each mode in quasi Z-source four-switch three-phase...
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