Results 11 to 20 of about 914,586 (343)
Parameter Estimation of Electric Power Transformers Using Coyote Optimization Algorithm With Experimental Verification [PDF]
IEEE Access, 2020 In this work, the Coyote Optimization Algorithm (COA) is implemented for estimating the parameters of single and three-phase power transformers. The estimation process is employed on the basis of the manufacturer's operation reports.
Mohamed I. Abdelwanis +4 more
doaj +3 more sources
Flux control modulation for the dual active bridge DC/DC converter [PDF]
The Journal of Engineering, 2019 This paper introduces a modulation technique for the single-phase dual active bridge (DAB) in which the switching frequency and transformer flux linkage are modulated to achieve improved power transfer characteristics and reduced converter losses.
Niklas Fritz +4 more
doaj +4 more sources
IEEE Access, 2019 This paper introduces a method to enforce balanced power distribution between the stages of a single-phase transformer-based cascaded multilevel inverter using the new asymmetric ratio 6:7:8:9 between stages.
O. López-Santos +5 more
semanticscholar +3 more sources
International Journal of Electrical Power and Energy Systems, 2020 Traction transformers are critical components of Chinese high-speed-trains. We are currently building a single–phase 6.5 MVA superconducting traction transformer which can achieve targets of less than 3 tons of transformer system weight, better than 99 ...
Wenjuan Song +6 more
semanticscholar +3 more sources
Direct usage of photovoltaic solar panels to supply a freezer motor with variable DC input voltage [PDF]
, 2020 In this paper, a single-phase photovoltaic (PV) inverter fed by a boost converter to supply a freezer motor with variable DC input is investigated. The proposed circuit has two stages.
Farzan Moghaddam, Ali +1 more
core +2 more sources
IEEE Access, 2020 High frequency (HF) ac linked converter functions well to interface between buses with different voltage types. Using a three-phase-to-single-phase matrix converter, a single-phase cyclo converter, and a HF transformer, we can compose a HF ac linked ...
Yushan Liu +5 more
doaj +1 more source
Energies, 2022 The aim of this study is to improve the three-phase unbalanced voltage at the secondary side of a distribution transformer. The proposed method involves compensation sources injecting three different single-phase currents into the connected point of a ...
Chien-Kuo Chang +2 more
doaj +1 more source
Multilevel single phase isolated inverter with reduced number of switches [PDF]
, 2018 This paper proposes a cascaded single phase multilevel inverter using an off-the-shelf three-phase inverter and transformer. The concept is based on a cascaded connection of two inverter legs using a typical three phase inverter in such a way that the ...
Atef Abbas Elsaharty, Mohamed +3 more
core +1 more source
Realization of a 10 kW MES power to methane plant based on unified AC/DC converter [PDF]
, 2018 This paper presents a galvanic isolated multi output AC/DC topology that is suitable for Microbial electrosynthesis (MES) based Power to Methane energy storage systems.
Bosch, Pau +4 more
core +1 more source
Energies, 2021 Multi-cell converters are widely used in medium-voltage AC drives. This equipment is based on power cells that operate with low-voltage-rating semiconductors and require an input multipulse transformer.
Eduardo Espinosa +5 more
doaj +1 more source