Search
Now showing items 1-10 of 72
Series-connected multi-half-bridge modules converter for integrating multi-megawatt wind multi-phase permanent magnet synchronous generator with dc grid
(
Institution of Engineering and Technology
, 2017 , Article)
In this study, a new transformerless wind energy conversion system to integrate high-power multi-phase permanent magnet wind generators to medium-voltage local grids is presented. The proposed converter topology consists ...
Control of Power Converters for Emerging Applications of Power Electronics
(
Hindawi Publishing Corporation
, 2016 , Article)
With the skyrocketed development in semiconductor devices, power electronics converters, either at system-level or at device-level, are receiving special attention in different applications as renewable energy sources, ...
Transformer-less Grid-Connected High-Voltage Marx Pulse Generator with Unity Power Factor for Domestic Drinking Water Disinfection
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Qatar has no rivers, thus the main natural water resource in Qatar is the groundwater table. The average groundwater recharge from rainfall is approximately 55.9 million m3/year, in addition to 2.2 million m3/year inflow ...
Low-voltage DC input, high-voltage pulse generator using nano-crystalline transformer and sequentially charged MMC sub-modules, for water treatment applications
(
Institute of Electrical and Electronics Engineers Inc.
, 2017 , Conference Paper)
This paper proposes a new high-voltage Pulse Generator (PG), fed from low voltage dc supply Vs. This input supply voltage is utilized to charge two arms of series-connected modular multilevel converter sub-module capacitors ...
Three-wire bipolar high-voltage direct current line using an existing single-circuit high-voltage alternating current line for integrating renewable energy sources in multiterminal DC networks
(
Institution of Engineering and Technology
, 2016 , Article)
When compared with conventional point-To-point high-voltage direct current (HVDC) systems, multiterminal HVDC (MTDC) systems are more economical and flexible. MTDC systems can tie distributed high power renewable energy ...
A space vector PWM scheme for five-phase current-source converters
(
Institute of Electrical and Electronics Engineers Inc.
, 2016 , Article)
The most recent literature on multiphase machine drives is based on voltage-source converter (VSC) systems utilizing different modulation techniques. Very little attention is given to the multiphase current-source converters ...
Four-switch three-phase SEPIC-based inverter
(
IEEE
, 2014 , Article)
Four-switch three-phase (FSTP) inverter has been proposed as an innovative inverter design to reduce the cost, complexity, size, and switching losses of the DC-AC conversion system. Traditional FSTP inverter usually operates ...
Application of stator shifting to five-phase fractional-slot concentrated winding interior permanent magnet synchronous machine
(
Institution of Engineering and Technology
, 2016 , Article)
In many applications, interior permanent magnet synchronous machines (IPMSMs) with fractional slot concentrated windings (FSCWs) are considered promising candidates in terms of higher power density and efficiency. In ...
A transformerless STATCOM based on a hybrid Boost Modular Multilevel Converter with reduced number of switches
(
Elsevier Ltd
, 2017 , Article)
This paper proposes a new three-phase transformerless STATic synchronous COMpensator (STATCOM) for shunt reactive power compensation in medium/high-voltage applications. The proposed STATCOM is based on a hybrid Boost ...
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 ...