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Now showing items 11-20 of 32
A grid-connected cascaded H-bridge multilevel converter with quasi seven-level Selective Harmonic Elimination
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Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
In this paper, a high power grid-connected cascaded H-bridge multilevel inverter (CHB-MLI) operating with Selective Harmonic Elimination (SHE) is presented complying with the low switching frequency operation limitation. ...
Zero-/Low-Speed Operation of Multiphase Drive Systems With Modular Multilevel Converters
(
Institute of Electrical and Electronics Engineers Inc.
, 2019 , Article)
Modular multilevel converter (MMC)-based AC motor drives are emerging trend-research. They ease medium-/high-voltage handling in high-power applications with reduced footprint and life-cycle costs. A known challenge ...
HVDC shunt tap based on three single-phase half-bridge series-connected MMCs operated under 2L modulation
(
Institution of Engineering and Technology
, 2019 , Article)
In this study, a cost-effective HVDC shunt tap with low-number of relatively low-voltage semiconductor devices and small-sized passive components is proposed. The proposed architecture is based on employing three single-phase ...
Selective harmonic elimination for quasi seven-level operation of cascaded-type multilevel converters with unequal DC sources
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
Generally, selective harmonic elimination (SHE) complexity for multilevel converters increases with the increase in number of levels. In this paper, an approach for multilevel converters' SHE is introduced. This approach ...
A Zeta-converter based four-switch three-phase DC-AC inverter
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
Minimizing the number of active switching devices in switched-mode power-electronic systems has a significant importance. Reduced complexity and switching losses, low cost, weight, and volume and high reliability are the ...
Smart grid self-healing: Functions, applications, and developments
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
Although the power system grid growth pace was slow, the load demand was not. Yet, there are some challenges that impeding the power grid to cope with the load pace, namely: renewable energy integration; energy efficiency; ...
A nine-arm modular multilevel converter (9A-MMC) for six-phase medium voltage motor drives
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
Dual three-phase (asymmetrical six-phase) induction motors have received significant attention in high power medium voltage drive applications. Typically, two three-phase voltage source converters are needed to feed such ...
Quasi seven-level operation of multilevel converters with selective harmonic elimination
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
Generally, selective harmonic elimination (SHE) complexity for multilevel inverters increases with the increase in number of levels. In this paper, a novel approach for SHE is introduced. This approach is based on cancelling ...
Voltage sensorless current control of low power inverter-based distributed generation systems
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
The control of power electronic converters is subjected to several challenges as measurement sensors drift, malfunction in harsh environments, non-ideal grid, and performance degradation due to the delay of discrete control ...
Discrete time domain analysis and optimal design of stationary frame AC current controllers with active damped LCL Filter for high power applications
(
IEEE Computer Society
, 2014 , Conference Paper)
Due to the large variety of renewable power sources, power electronics play an important role in energy conversion. Different power converter topologies are used to interface distributed power generation systems (DPGS) ...