Results 51 to 60 of about 141 (124)
Energies, 2020 In this paper, an application of the recently developed Grasshopper Optimization Algorithm (GOA) for calculation of switching angles for Selective Harmonic Elimination (SHE) PWM in low-frequency voltage source inverter is proposed. The algorithm is based
Marcin Steczek +2 more
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Kongzhi Yu Xinxi Jishu, 2016 Aiming at the problems of embedded permanent magnet synchronous motor at low switching frequency, such as current distortion of high speed deep weak magnetic field and large torque ripple, it analyzed the inhibitory effect of conventional motor control ...
ZANG Xiaodi, TIAN Dewen
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Performance Comparison of Asymmetrical Multilevel Inverter with Different Switching Techniques
EnergiesIn the present context, the asymmetrical multilevel inverter (AMLI) with minimal switches is extensively used to achieve high power quality across a load. The conventional inverter suffers from the disadvantages of large system components, low efficiency,
Ashish Srivastava +2 more
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An Efficient Asymmetric Inverter Design for PV Applications for Harmonics and Power Loss Mitigation [PDF]
E3S Web of ConferencesThe electricity industry faces major problems due to the ubiquitous availability of fossil fuels and their rising consumption. One option is to use photovoltaic (PV) modules, which convert sunlight into electricity—at first, in the form of direct current
Lingaswamy Kandadi +1 more
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Electrical engineering & ElectromechanicsIntroduction. Nowadays, the most widely used wind energy conversion system in wind farms is based on a doubly fed induction generator (DFIG); it has a large speed range and can function in multiple modes. Problem.
R. F. Abdelgoui, R. Taleb
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Optimal Design of a New Cascaded Multilevel Inverter Topology With Reduced Switch Count
IEEE Access, 2019 Multilevel inverters (MLIs) are a great development for industrial and renewable energy applications due to their dominance over conventional two-level inverter with respect to size, rating of switches, filter requirement, and efficiency.
Marif Daula Siddique +3 more
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Application of Subsection Modulation Technique on Diesel Locomotive Converter
机车电传动, 2014 According to the restriction of switching frequency in diesel locomotive converter, a subsection modulation technique was used, the transitive strategy was proposed to realize smooth transition of individual modes including the asynchronous PWM ...
LI Yan, YU Hua, LI Guofeng, ZHAN Zhejun
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Energies, 2017 Pulse width modulation (PWM) technology is widely used in traction converters for high-speed railways. The harmonic distribution caused by PWM is quite extensive, and increases the possibility of grid–train coupling resonance in the traction power supply
Runze Zhang +4 more
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COMPARATIVE STUDY OF TRADITIONAL PWM INVERTERS AND MULTILEVELS INVERTERS
Journal of EngineeringThe need of higher powers in electrical drives has forced the researchers to develop new power source possibilities. Multilevel inverters have been presented as a cost effective solution for various high voltage and high power applications including ...
K. S. Krikor +2 more
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机车电传动, 2015 Mathematic model of ambipolar selected harmonic elimination PWM was explained briefly. The nonlinear surmounting equations of eliminating the specified harmonic were provided, and the new resolving methods for these equations were discussed, and the key ...
CHEN Jianfeng +4 more
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