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A single-phase quasi-impedance source inverter (qZSI) has become an attractive solution for residential PV applications. However, due to the nature of this inverter topology, double-frequency (2ω) power ripple issue should be considered since this issue has a negative impact on the system performance. This paper presents model predictive control (MPC) based current ripple damping control technique...
The multilevel converters have advantages of low voltage stresses of the switches and possible reduction of size of the passive components. Input-series output-series (ISOS) configuration of the converter enable the utilization of low voltage rating switches in converters with high input voltage and high output voltage in applications that requires galvanic isolation. While multilevel topology offers...
The paper objective is to propose an innovative power converter topology combining the advantages of capacitor discharge and switch-mode converters to generate half sinusoidal fast current pulses with high precision. The capacitor discharge operation mode of the converter allows the generation of current pulses with fast transient response and the switch-mode operation enables the control of the pulse...
Reliability is one of the key features that is sought after in converter design. Electrolytic capacitors are the most common capacitor type in switching mode power supplies to be used as a DC bus energy storage. However, electrolytic capacitors are known to degrade due to aging. This paper introduces a capacitance degradation detection method for a step-down DC-DC converter that is based on introducing...
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