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Now showing items 101-110 of 124
Harmonic rejection using multi-synchronous reference frame technique for CSI-based distributed generation with grid voltage distortion
(
IEEE
, 2011 , Conference Paper)
In the midst of the growing penetration of renewable energy resources and Distributed Generation (DG), power quality is one of the main concerns. Achieving low total harmonic distortion (THD) of exported current using low ...
Flywheel energy storage system based on boost DC-AC converter
(
http://dx.doi.org/10.1049/cp.2011.0194
, 2011 , Conference Paper)
An additional DC-DC boost converter is used in conventional configuration of Flywheel Energy Storage System (FESS) to regulate the output voltage during flywheel low speeds. This paper presents a new FESS based on the boost ...
Simplified generic on-line PWM technique for single phase grid connected current source inverters
(
Institute of Electrical and Electronics Engineers Inc.
, 2012 , Conference Paper)
Mandatory restrictions for a current source inverter's (CSI's) proper operation, like continuity of the DC link current, complicate the corresponding PWM generation especially in the case of single phase systems. Classical ...
Multi-module Bi-directional Buck-Boost Inverter-based HVDC back-to-back transmission system
(
IEEE
, 2013 , Conference Paper)
Offshore wind energy is now seen as a key contributor to the renewable energy future. HVDC technology is among the chief technologies enabling widespread use of offshore wind. This paper proposes a new configuration, namely, ...
An improved performance direct-drive permanent magnet wind generator using a novel single-layer winding layout
(
IEEE
, 2013 , Article)
Direct-drive permanent magnet (PM) generators have become a strong contender in medium and large rating wind energy conversion systems as they not only provide higher efficiency and annual energy production, but also reduce ...
Vector control of multiphase induction machine under open-circuit phase faults
(
IEEE Computer SocietyIEEE
, 2013 , Conference Paper)
Multiphase induction machine is normally controlled using rotor field oriented vector control. Under phase(s) loss, the machine currents can be optimally controlled to satisfy certain optimization criteria. In this paper, ...
Studying the effect of over-modulation on the output voltage of three-phase single-stage grid-connected boost inverter
(
Elsevier B.V.
, 2013 , Article)
Voltage boosting is very essential issue in renewable-energy fed applications. The classical two-stage power conversion process is typically used to interface the renewable energy sources to the grid. For better efficiency, ...
An adaptive PR controller for inverter-based distribution generation with active damped LCL filter
(
IEEE
, 2013 , Conference Paper)
The fact distribution generation (DG) importance is growing rapidly in the recent years where the coupling between DG sources and the grid is done through inverters where exporting low distorted currents and high quality ...
Performance assessment of renewable energy-fed three-phase grid-connected voltage source converters and boost inverters during DC side faults
(
IEEEIEEE
, 2013 , Conference Paper)
In renewable energy-fed grid-connected applications, voltage source converters (VSC) offer high flexibility and system controllability features. In addition to the stepped down nature of its output voltage, the VSC is ...
A simple active-power control technique for grid-connected three-phase inverters at unity power factor
(
IEEE Computer Society
, 2013 , Conference Paper)
This paper presents a simple active-power control technique for low voltage grid-connected three-phase inverters with zero injected reactive power (unity power factor at grid). Two versions of the proposed controller are ...