Browsing by Author "Ahmad, Salman"
Now showing items 1-7 of 7
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A Novel Pulse Width Amplitude Modulation for Elimination of Multiple Harmonics in Asymmetrical Multilevel Inverter
Ahmad, Salman; Khan, Irfan; Iqbal, Atif; Rahman, Syed ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)For medium voltage high power applications the low switching frequency PWM techniques for power converters is preferred. In preprogrammed low switching frequency based PWM technique, the main difficulty is in solving the ... -
Genetic Algorithm based SHE-PWM for 1- ø and 3- ø Voltage Source Inverters
Kumari, M.; Ali, M.; Ahmad, Salman; Ashraf, I.; Azeem, A.; Tariq, M.; Bin Arif, M. Saad; Iqbal, Atif... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)In medium voltage high power application of voltage source inverter (VSI), low switching frequency pulse width modulation (LSPWM) techniques offer better efficiency and better thermal management as the switching loss ... -
Improved power quality operation of symmetrical and asymmetrical multilevel inverter using invasive weed optimization technique
Ahmad, Salman; Iqbal, Atif; Ashraf, Imtiaz; Meraj, Mohammad ( Elsevier , 2022 , Article)Low switching frequency pulse width modulation (PWM) technique for modulation and control of multilevel inverter in medium voltage high power applications is preferred in order to reduce the switching losses. In this ... -
Low switching frequency modulation of a 3 x 3 matrix converter in UPFC application using differential evolution method
Ahmad, Salman; Al-Hitmi, Mohammed; Iqbal, Atif; Rahman, K.; Ashraf, I. ( John Wiley and Sons Ltd , 2020 , Article)This paper presents a low switching frequency–based pulse width modulation technique for a 3 × 3 indirect matrix converter. The nontriplen lower-order harmonics are considered for minimization using differential evolution–based ... -
Performance Analysis of a Three-to-Five Phase Dual Matrix Converter Based on Space Vector Pulse Width Modulation
Rahman, Khaliqur; Iqbal, Atif; Al-Hitmi, Mohammed A.; Dordevic, Obrad; Ahmad, Salman ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In this paper, space vector pulse width modulation (SVPWM)-based algorithms for a five-phase open-end load fed from dual matrix converter (DMC) have been proposed. In the presented modulation methods, the reference output ... -
SHE PWM for multilevel inverter using modified NR and pattern generation for wide range of solutions
Ahmad, Salman; Ashraf, I.; Iqbal, Atif; Fatimi, M. A. A. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)In medium voltage high power applications good quality waveform with low switching losses is more preferred. In this context, low switching frequency modulation techniques based on pre-computed PWM switching patterns is ... -
Switching angles computations using pso in selective harmonics minimization pwm
Ahmad, Salman; Iqbal, Atif ( Springer Science and Business Media Deutschland GmbH , 2021 , Book chapter)The preprogrammed pulse width modulation (PWM) method for operating power converters ensures minimum switching loss and at the same time better quality waveform at the output. The Fourier series analysis of the predefined ...