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Cogging torque reduction of axial magnetic gearbox using pole pairing technique
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
Magnetic gearbox (MGB) becomes an attractive research topic in mechanical transmission as it offers significant advantages over mechanical gears such as contactless power transfer, high gear ratios, inherent overload ...
An asymmetrical six phase induction machine for flywheel energy storage drive systems
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
Energy storage systems have become an essential part of power utilities due to their capability of providing high level of power quality and stability. Flywheel energy storage systems (FESSs) are now employed with numerous ...
Enhancement of the extracted maximum power of PV array during partial shading using switched PV-based system
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
This paper proposes a switched PV approach to enhance the extracted maximum power from PV array during partial shading condition. The proposed system is simple and cost effective. However, it may provide lower power ...
The transition arm multilevel converter - A concept for medium and high voltage DC-DC transformers
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
This paper proposes a dc/ac converter topology where each phase leg comprises a conventional series switch valve in one arm and a series connection of half-bridge chopper cells in the other arm. Operation with trapezoidal ...
A grid-connected switched PV array
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
In this paper, a grid-connected version of the switched PV array will be presented. The PV array consists of n parallel-connected strings and m series-connected modules per string, i.e. an array with a dimension of (m - ...
Modified modulation scheme for photovoltaic fed grid-connected three-phase boost inverter
(
IEEE
, 2013 , Conference Paper)
Transformer-less photovoltaic (PV) inverters are the major functional units of modern grid-connected PV energy production systems. In general, two power conversion stages are required when low-voltage unregulated photovoltaic ...
Sensorless V/f control with MRAS speed estimator for a five-phase induction machine under open-circuit phase faults
(
IEEE
, 2013 , Conference Paper)
This paper introduces a sensorless scalar controller with MRAS speed estimator based on simple Proportional Resonant PR controllers to provide a disturbance-free operation to a five-phase induction machine under phase open ...
New topologies for photovoltaic-fed single-stage boost inverters
(
IEEE
, 2013 , Conference Paper)
In photovoltaic-fed applications, boosting the limited output voltage is very essential. Single-stage boost inverters can efficiently be used to interface renewable energy sources. In this paper, different topologies for ...
Sensorless field oriented control of five-phase induction machine under open-circuit phase faults
(
IEEE
, 2013 , Conference Paper)
Recently, multiphase machine is promoted to replace three-phase drives in high power safety-critical applications. Among the numerous advantages of multiphase induction machine drives, operation and self-starting under ...
A reduced switch-count SEPIC-based inverter for asymmetrical dual three-phase induction machines
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
The interest in multiphase drives has been steadily growing during the last decade due to the promising potentials offered by multiphase machines over conventional three-phase counterpart. In this context, six-phase induction ...