Browsing by Author "n 89184704 "
Now showing items 1-20 of 68
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A bearingless coaxial magnetic gearbox
( Elsevier , 2014 , Article)Recently, magnetic gearboxes (MGBs) are serious contenders to their conventional mechanical counterparts in terms of reduced maintenance requirements, improved reliability, tolerance to mechanical inaccuracies, and inherent ... -
A bi-directional boost converter-based non-isolated DC-DC transformer with modular solid-state switches for medium-/high-voltage DC grids
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)In this paper, a bi-directional non-isolated dc-dc transformer is proposed, which can be used for connecting different dc voltage levels in medium-/high-voltage dc grids. The proposed dc-dc transformer is based on the ... -
A boost converter-based ringing circuit with high-voltage gain for unipolar pulse generation
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)High-Voltage pulse generators are commonly used in biotechnology, medicine, industrial applications, food processing and drinking water purification. The dc-dc boost converter has been used before in pulsed applications ... -
A boost-inverter-based bipolar high-voltage pulse generator
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Bipolar repetitive high-voltage pulse generators are commonly used in modern pulsed power applications. Conventionally, bipolar high-voltage pulses can be generated by adding a high-voltage H-bridge at the output stage of ... -
A buck-boost converter-based bipolar pulse generator
( Korean Institute of Power Electronics , 2017 , Article)This paper presents a buck-boost converter-based bipolar pulse generator, which is able to generate bipolar exponential pulses across a resistive load. The concept of the proposed approach depends on operating the involved ... -
A differential protection technique for multi-terminal HVDC
( Elsevier Ltd , 2016 , Article)This paper presents a technique for differential protection of Multi-terminal High Voltage Direct Current (MTHVDC) transmission lines. The proposed technique depends on the electrical current data at both ends of each line ... -
A Droop Control Design for Multiterminal HVDC of Offshore Wind Farms With Three-Wire Bipolar Transmission Lines
( IEEE , 2015 , Article)Converting existing ac transmission lines to an extended multiterminal three-wire bipolar HVDC system can be considered a cost-effective way to interconnect dispersed offshore wind farms to onshore ac grids instead of ... -
A dual three-phase induction machine based flywheel storage system driven by modular multilevel converters for fault ride through in HVDC systems
( IEEE Computer Society , 2016 , Conference)One of the main challenges of voltage source converter based high voltage direct current (VSC-HVDC) transmission systems is the AC faults at the grid side. This work introduces the integration of multiphase induction machine ... -
A Flywheel Energy Storage System for Fault Ride Through Support of Grid-Connected VSC HVDC-Based Offshore Wind Farms
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Voltage source converter (VSC)-based high voltage DC (HVDC) transmission is considered the future of offshore power transmission. This paper aims at providing a reliable VSC-HVDC transmission system architecture between ... -
A four-switch based long-cable-fed five-phase induction motor drive system
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference)In applications where motors are fed from low voltage variable-frequency drive (VFD) through long cables, a step up transformer is commonly used to boost the converter output voltage in order to compensate for the cable ... -
A hybrid boost modular multilevel converter-based bipolar high voltage pulse generator
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Conventional Modular Multilevel Converter (MMC) with Half-Bridge Sub-Modules (HB-SMs) can be used effectively as a solid-state high-voltage pulse generator to chop a high-voltage dc input into a bipolar pulsed output voltage ... -
A Modular High-Voltage Pulse-Generator with Sequential Charging for Water Treatment Applications
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)High-voltage pulse-generators can be used effectively for bacterial decontamination in water treatment applications. Applying a pulsed electric field to the infected water sample guarantees killing of harmful germs and ... -
A modular multilevel converter with isolated energy-balancing modules for MV drives incorporating symmetrical six-phase machines
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)A modular multilevel converter (MMC) configuration is presented as a medium-voltage high-power drive for variable-speed applications incorporating symmetrical six-phase machines. The topology employs six standard MMC ... -
A new dual series-connected Nine-Switch Converter topology for a twelve-phase induction machine wind energy system
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)This paper introduces a new transformerless converter topology for Multiphase-Based Wind Energy Conversion Systems (WECSs). In this topology, a twelve-phase induction generator is integrated to the grid using dual Nine-Switch ... -
A new fifteen-switch inverter topology for two five-phase motors drive
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)The multimotor drives supplied from reduced switch-count converter topologies are potentially employed in different applications such as EVs/HEVs and traction systems. Much research work has been done to investigate the ... -
A new permanent-magnet vernier machine using a single layer winding layout for electric vehicles
( IEEE , 2014 , Conference)Permanent magnet (PM) vernier machines have shown promise in electric vehicle applications as they offer high torque density and low speed/high torque operation by introducing flux-modulation poles that modulate the ... -
A Nine-Phase Six-Terminal Concentrated Single-Layer Winding Layout for High-Power Medium-Voltage Induction Machines
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)This paper proposes a new winding layout for high-power medium-voltage nine-phase induction machines (IMs) based on a single-layer concentrated winding layout having a unity winding factor. The machine is fundamentally an ... -
A Nine-Switch-Converter-Based Integrated Motor Drive and Battery Charger System for EVs Using Symmetrical Six-Phase Machines
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)This paper presents a new configuration for integrated on-board battery chargers of electric vehicles (EVs) incorporating symmetrical six-phase machines. The configuration proposes an exclusive utilization of a nine-switch ... -
A non-communication based protection algorithm for multi-terminal HVDC grids
( Elsevier Ltd , 2017 , Article)This paper introduces a non-communication based protection algorithm for Multi-Terminal High Voltage Direct Current (MTHVDC) transmission lines. The algorithm relies on using electrical current data at one end for ... -
A Non-Isolated Hybrid-Modular DC-DC Converter for DC Grids: Small-Signal Modeling and Control
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)This paper presents small-signal modeling, stability analysis, and controller design of a non-isolated bidirectional hybrid-modular DC-DC Converter for DC grid applications. The DC-DC converter can be used to interconnect ...
