Search
Now showing items 31-40 of 163
HVDC shunt tap based on series-input parallel-output DC-AC multi-module VSCs with DC voltages balancing
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Conventionally, tapping-off a small amount of power from an HVDC transmission line to a three-phase local network can be achieved using a DC-to-AC voltage source converter (VSC) followed by a step down transformer. In order ...
Medium voltage flywheel energy storage system employing dual three-phase induction machine with machine-side series-connected converters
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Flywheels as energy storage systems are good candidates for numerous power system applications such as voltage support, serving fluctuating loads, frequency regulation and renewable energy utilization. Most of these ...
Torque ripple reduction of radial magnetic gearbox using axial pole pairing
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Magnetic gearbox (MGB) is a contactless magnet-based transmission system that transmits mechanical power between two shafts. MGBs offer significant advantages over mechanical gears such as contactless power transfer, high ...
Traction system with on-board inductive power transfer
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
In traction applications based on long primary and short secondary type, contactless electrical energy transmission can offer distinct advantages over the conventional energy transmission based on catenary system to provide ...
A Family of Discontinuous PWM Strategies for Quasi Z-Source Nine-Switch Inverters
(
Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
This paper proposes a new family of discontinuous PWM strategies to control the quasi-Z-source nine-switch inverters (qZS-NSI). The presented strategies provide buck and boost inversion capabilities, and suitable for ...
A Six-Arm Symmetrical Six-Phase Hybrid Modular Multilevel Converter with Unidirectional Current Full-Bridge Submodules
(
Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
Multiphase converter complexity is one of the concerns that restrict the widespread utilization of multiphase machines. One of the developmental trends to alleviate the converter complexity is reducing passive and active ...
Investigation of a New Voltage Balancing Circuit for Parallel-connected Offshore PMSG-based Wind Turbines
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Parallel connection of wind turbines (WTs) is beneficial in high-power applications. For successful operation of parallel WT-based energy conversion systems, a well-regulated voltage is needed at the collection point. Due ...
Modular multilevel DC-DC converter with arm interchange concept
(
Institution of Engineering and Technology
, 2020 , Article)
Conventional modular multilevel converters (MMCs) are promising converters for high-voltage high-power applications. Unlike DC-AC conversion, DC-DC conversion of MMCs suffers from unbalanced capacitor voltages due to the ...
An Improved Torque Density Pseudo Six-Phase Induction Machine Using a Quadruple Three-Phase Stator Winding
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Article)
The nine-phase six-terminal induction machine has recently been proposed as a promising contender to the conventional six-phase asymmetrical winding machine in terms of torque density, phase current quality, stator winding ...
A New Six-Phase FSCW Layout for Permanent Magnet Synchronous Wind Generators
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
This paper proposes a new non-overlapped six-phase Fractional Slot Concentrated Winding (FSCW) layout for a Permanent Magnet (PM) synchronous wind generator with an outer rotor and surface mounted magnets. The proposed ...