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Control schemes for reducing second harmonic current in two-stage single-phase converter: An overview from DC-bus port-impedance characteristics
The instantaneous input and output power of two-stage single-phase converter are
imbalanced, resulting in the second harmonic current (SHC) in the dc-dc converter, dc …
imbalanced, resulting in the second harmonic current (SHC) in the dc-dc converter, dc …
Control strategies and power decoupling topologies to mitigate 2ω-ripple in single-phase inverters: A review and open challenges
This paper provides a comprehensive review of the control approaches and the power-
decoupling topologies to mitigate-ripple problem in the single-phase inverters, its solutions …
decoupling topologies to mitigate-ripple problem in the single-phase inverters, its solutions …
Improving the stability of cascaded DC/DC converter systems via sha** the input impedance of the load converter with a parallel or series virtual impedance
Interactions between individually designed power subsystems in a cascaded system may
cause instability. This paper proposes an approach, which connects a virtual impedance in …
cause instability. This paper proposes an approach, which connects a virtual impedance in …
Ripple eliminator to smooth DC-bus voltage and reduce the total capacitance required
Bulky electrolytic capacitors, which are often needed in dc systems to filter out voltage
ripples, considerably reduce power density and system reliability. In this paper, a ripple …
ripples, considerably reduce power density and system reliability. In this paper, a ripple …
Second-harmonic current reduction for two-stage inverter with boost-derived front-end converter: Control schemes and design considerations
The instantaneous output power of the two-stage single-phase inverter pulsates at twice the
output frequency (2f o), generating notorious second-harmonic current (SHC) in the frontend …
output frequency (2f o), generating notorious second-harmonic current (SHC) in the frontend …
Feed-forward scheme for an electrolytic capacitor-less AC/DC LED driver to reduce output current ripple
In order to achieve high-efficiency, high-power-factor, high-reliability, and low-cost, a flicker-
free electrolytic capacitor-less single-phase ac/dc light emitting diode (LED) driver is …
free electrolytic capacitor-less single-phase ac/dc light emitting diode (LED) driver is …
Performance evaluation of the single-phase split-source inverter using an alternative DC–AC configuration
This paper investigates and evaluates the performance of a single-phase split-source
inverter (SSI), where an alternative unidirectional dc-ac configuration is used. Such …
inverter (SSI), where an alternative unidirectional dc-ac configuration is used. Such …
On the reduction of second harmonic current and improvement of dynamic response for two-stage single-phase inverter
Two-stage single-phase inverters have been widely used as they can achieve voltage
matching and galvanic isolation between the input and output. Due to the pulsating output …
matching and galvanic isolation between the input and output. Due to the pulsating output …
Low-frequency input current ripple reduction based on load current feedforward in a two-stage single-phase inverter
A large amount of ripple at twice the output frequency will emerge in the input current due to
the pulsating output power in a two-stage single-phase inverter. To reduce the low …
the pulsating output power in a two-stage single-phase inverter. To reduce the low …
Current sensorless control for dual active bridge DC–DC converter with estimated load-current feedforward
This paper proposes a current sensorless control strategy for the dual active bridge (DAB)
converter with nonlinear disturbance observer (NDO)-based load current feedforward. The …
converter with nonlinear disturbance observer (NDO)-based load current feedforward. The …