Results 1 to 10 of about 44 (41)
Multiband SHEPWM Control Technology Based on Walsh Functions [PDF]
Electronics, 2020 The drawback of modulation ratio limitation in selective harmonic elimination pulse width modulation (SHEPWM) technology based on Walsh function transformation. In order to solve this problem, a multiband SHEPWM control technology method for a multilevel inverter based on Walsh functions is proposed.
Song Li +4 more
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Optimum Solving SHEPWM Equations for Single Phase Inverter Using Resultant Method [PDF]
Engineering and Technology Journal, 2008 This paper represents new method to determine the optimum switching angles forSelective Harmonic Eliminated PWM (SHEPWM) inverter. Such switching angles aredefined by a set of nonlinear equations to be solved using the Resultant method.
Jamal A. Mohammed
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Performance Improvement of a Single Phase Induction Motor Fed by Nonsinusoidal Voltages [PDF]
Engineering and Technology Journal, 2008 The distorted voltage waveforms, which have, more or less, a high harmoniccontent, have negative impact on the long-term performance of the motor, as theycause nonsinusoidal currents in the stator and the rotor, and consequently additionallosses and ...
Jamal A. Mohammed
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Study of five-level inverter double-band SHEPWM control method
Gong-kuang zidonghua, 2014 A kind of five-level inverter double-band SHEPWM control method was proposed combining Walsh transformation with SHEPWM program which can broaden modulation ratio of multi-level inverter.
YE Manyuan, CAI Hong, LI Bing, LI Song
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An Improved SHEPWM Modulation Algorithm for Three-levelEnergy Feedback Inverter
Kongzhi Yu Xinxi Jishu, 2021 The maximum switching frequency of high power converters is limited by the heat dissipation system and cannot be randomly increased. Consequently, increasing low-order harmonics are introduced into the grid.
WU Xuefeng +4 more
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Elektronika ir ElektrotechnikaA comprehensive mathematical model of the inverter using nine switches is derived and its carrier high-frequency signal-based Pulse Width Modulation (PWM) is developed for the control of dual nonlinear loads.
Nirmala Muthusamy +2 more
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Performance Optimization of EV Motor through Novel Modulation Techniques in SiC Multilevel Inverter
ITEGAM-JETIAElectrification of transport requires compact, efficient and reliable motor drives. Multilevel, Silicon Carbide (SiC)-based inverters (MLIs) have become an attractive new technology in the propulsion of Electric Vehicles (EVs) because of their high ...
K. S. R. Deepika +2 more
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Hardware-in-Loop Simulation of PMSM in High Power Traction System
机车电传动, 2019 The control technology of high-power traction permanent magnet synchronous motor was studied in this paper. The system control strategy of permanent magnet motor based on asynchronous modulation mode, SHEPWM modulation mode and square wave mode was ...
Lidong BU
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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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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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