A non-isolated DC/DC converter with high transfer gain is proposed in this paper. The presented converter consists of the switched inductor and three-level converters. The DC/DC power converter is three-level boost converter to convert the output voltage of the DC source into two voltage sources. The main advantages of DC/DC converter are using low voltage semiconductors and high gain voltage. ...

This paper proposes an alternative configuration for digitally controlled parallel connected DC–DC power converters. Unlike conventional scheme which uses only one digital controller to control all of the n parallel connected power converters, the proposed scheme employs n digital controllers for n paralleled power converters. This arrangement prevents single controller breakdown from faulting ...

One of the main orientations in power electronics in the last decade has been the development of switching-mode converters without inductors and transformers. Light weight, small size and high power density are the result of using only switches and capacitors in the power stage of these converters. Thus, they serve as ideal power supplies for mobile electronic systems (e.g. cellular phones, per...

The generation of offshore wind power is less predictable. This can cause the overload of offshore DC transmission system and thus requires the curtailment of wind power. To reduce the amount of wind power curtailment, a method of optimising DC power flow using DC power flow controller (DC-PFC) is proposed. The analytical expression of coordinating DC-PFCs and converters in controlling the powe...

A method for designing power line filters for SMPS is presented. The practical design work is optimized, by excluding the nonviable combinations of filter components. The designer can choose among the theoretically viable combinations, to try practical designs. The theoretical calculations are based on chain parameters. As an illustration of the method a single stage π-filter for a buck convert...

Power converters often consist of linear circuits that are switched between two configurations. Even though each of the configurations is linear, the overall behavior of the circuit is nonlinear. DC-DC switched mode power converters constitute simple but yet efficient means of DC power regulation [ 1,2]. The analysis and control of such a circuit is fairly complicated. Different methods have be...

This paper covers the comparison between four different DC-DC converters for solar power conversion. The are buck converter, buck-boost boost and noninverting converter. An MPPT algorithm is designed to calculate battery voltage, current of PV array, voltage output power. It observed that non-inverting converter finest final circuit design has results 12.2V 0.31A 34V 23mW panel, 21.8mW efficien...

This paper introduces a cutting-edge transformer technology – the piezoelectric transformer – currently considered as a potential candidate to replace magnetic transformers in resonant switching converters. Magnetic transformers are extensively used for providing step-up and step-down voltages while allowing input to output isolation in ac-dc and dc-dc converters. Even with the extensive use, t...

Ramp-signal generators are particularly critical in controlling the frequency and dutycycle of pulse-width modulated (PWM) switching supplies. They are normally implemented with a timed charging current source into a capacitor and a reset switch controlled by two comparators whose reference signals set the lower and upper limits of the ramp. A fast comparator is required to ensure the reset ope...