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Common Mode Voltage Reduction in a Single-Phase Quasi Z-Source Inverter for Transformerless Grid-Connected Solar PV Applications
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Institute of Electrical and Electronics Engineers Inc.
, 2019 , Article)
The quasi-Z-source inverter (qZSI) is becoming a popular inverter topology that can buck or boost input voltage without a dc-dc converter and hence can be used in transformerless configuration. Due to its single-stage ...
A Novel Modified Switched Inductor Boost Converter with Reduced Switch Voltage Stress
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Qatar University Press
, 2020 , Poster)
DC-DC power converters are necessary to step-up the voltage or current with high conversion ratio for many applications e.g. photovoltaic and fuel cell energy conversion, uninterruptible power supply, DC microgrid, automobile, ...
High Brightness and High Voltage Dimmable LED Driver for Advanced Lighting System
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Institute of Electrical and Electronics Engineers Inc.
, 2019 , Article)
In energy efficient system designs, LED lighting leads to reduction in global energy demand. This paper proposes a high brightness, high efficiency, dimmable LED driver based on linear current regulator technology for DC ...
Comparative analysis of carrier schemes for PWM in multilevel PUC inverter for PV applications
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
This paper presents an evaluation of two modulation methods for the seven-level packed U cell (PUC) inverter for photovoltaic applications. The PUC is a multilevel inverter which has less number of switching devices than ...
Design of a proportional resonant controller for packed U cell 5 level inverter for grid-connected applications
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Institute of Electrical and Electronics Engineers Inc.
, 2017 , Conference Paper)
In this paper, the design of a proportional resonant (PR) controller for the packed U cell (PUC) 5 level inverter is presented. The objective of the presented work is to present a better solution for current control in ...
Failure mode analysis for single-phase Multi-level qZSI interfacing PV system to utility grid
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Institute of Electrical and Electronics Engineers Inc.
, 2017 , Conference Paper)
Cascaded Multi-level inverter for synchronization of power generated from PV system to utility grid is reported in this paper. Inverters are prone to several types of faults e.g. switch failure or dc link capacitor failure. ...
Novel control algorithm for V/F control of PWAM based induction motor drive
(
44th Annual Conference of the IEEE Industrial Electronics Society, IECON 2018; Omni Shoreham
, 2018 , Conference Paper)
© 2018 IEEE. In this paper, three-phase induction motor su by multilevel quasi impedance source inverter (qZSI) is contr with V/f technique. Application of pulse width amplitud modulation (PWAM) technique for controlling ...
Cascaded multilevel qZSI powered single-phase induction motor for water pump application
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Institute of Electrical and Electronics Engineers Inc.
, 2017 , Conference Paper)
In this paper, Solar powered Single-Phase Capacitor Start Induction motor for water pump application is discussed. Output of solar panel is connected to quasi Z Source Inverter (qZSI). Three modules of qZSI are connected ...
Thyristor based SVC and multilevel qZSI for Active and Reactive power management in solar PV system
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Institute of Electrical and Electronics Engineers Inc.
, 2017 , Conference Paper)
In this paper, Active and Reactive power management with the utility grid is achieved by integrating 7-level quasi Impedance Source Inverter (qZSI) with Thyristor based elements (Thyristor Switched Capacitor (TSC) and ...
Electronic Ventilator for COVID19 Patient Treatment
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Qatar University Press
, 2020 , Poster)
In response to expected shortages of ventilators caused by COVID19 pandemic, globally many organizations and institutes have developed low cost and high rate production ventilators. Many of these ventilators are mechanical ...