Results 11 to 20 of about 295,261 (308)
Minimization Electric Losses in Transistor DC Drives [PDF]
Problems of the Regional Energetics, 2022 This work is devoted to develop the algorithm for determining the optimal switching frequency of a transistor pulse-width converter (PWM) to minimize the total electric losses in a DC drive.
Kovalov V., Kovalova Yu.
doaj +1 more source
CES Transactions on Electrical Machines and Systems, 2021 In this paper, new SVPWM switching sequences for six-phase asymmetrical induction motor drives are derived with the aim to reduce inverter's switching losses. Total three switching sequences are introduced in this paper.
Shaikh Mohammed Suhel, Rakesh Maurya
doaj +1 more source
The Journal of Engineering, 2022 With increasing switching speed of new power semiconductors like the SiC MOSFET, special attention has to be paid on the electromagnetic interference and its limitations.
Robert W. Maier, Mark‐M. Bakran
doaj +1 more source
Analytical Calculation of the Residual ZVS Losses of TCM-Operated Single-Phase PFC Rectifiers
IEEE Open Journal of Power Electronics, 2021 Triangular-current-mode (TCM) modulation guarantees zero-voltage-switching across the mains cycle in AC-DC power converters, eliminating hard-switching with a minor ${\approx} {30}{\%}$ penalty in conduction losses over the conventional continuous ...
Michael Haider +6 more
doaj +1 more source
Quasi-Resonant Half-Wave Buck Converter with Non-Isolated High Side Switching Techniques
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022 Power density of the power converters became one of the most important parameters in many applications. Power density is increased by reducing the losses through use of better performing components and circuit topologies.
Elif Topuz +2 more
doaj +1 more source
Efficient solution of the DC-link hard switching inverter of the PV system
Journal of King Saud University: Engineering Sciences, 2020 Soft switching inverter alleviate and treat the negative impacts resulted from hard switching inverter. It provides many advantages such as low power losses, high efficiency, stress reduction during switching instants, and high reliability and lowering ...
Usama Khaled +4 more
doaj +1 more source
IEEE Access, 2020 The cascaded H-bridge multilevel inverter (CHMI) is a modular structure that consists of many power semiconductor switches. With this increase in the number of power semiconductor switches, it is hard to predict and handle the failure of the devices, and
Eui-Jae Lee, Seok-Min Kim, Kyo-Beum Lee
doaj +1 more source
Clamping Modulation Technique for Balancing Power Losses of Dual Inverter With Isolated DC Bus
IEEE Access, 2023 This paper proposes a clamping modulation technique to reduce and balance power losses in a dual inverter with an isolated DC bus. To drive an open-end winding permanent magnet synchronous motor (OEW-PMSM), dual inverter consisting of six legs has twelve
Tae-Hyeong Kim +3 more
doaj +1 more source
Energies, 2022 This paper presents a method for switching reduction in cascaded H-bridge converters. Given the wide applicability of this topology, it would be especially desirable to increase its efficiency with switching losses reduction techniques.
Luis Galván +3 more
doaj +1 more source
Analysis of Intrinsic Switching Losses in Superjunction MOSFETs Under Zero Voltage Switching
Energies, 2020 Switching losses of power transistors usually are the most relevant energy losses in high-frequency power converters. Soft-switching techniques allow a reduction of these losses, but even under soft-switching conditions, these losses can be significant ...
Maria R. Rogina +5 more
doaj +1 more source