تصفح Electrical Engineering حسب العنوان
السجلات المعروضة 2266 -- 2285 من 2555
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Single phase grid connected current source inverter: Mitigation of oscillating power effect on the grid current
( Institution of Engineering and Technology , 2011 , Conference Paper)Although voltage source inverters (VSIs) are the most common DC-AC grid-tied converters, current source inverters (CSIs) are considered to be promising candidate, thanks to their low THD voltages/currents and inherent ... -
Single Phase Multilevel Inverter for Standalone PV system Application
( IEEE Computer Society , 2020 , Conference Paper)The main application of MLI is for motor, adjustable drives, distributed generation, hybrid system, and microgrid. The usual H-bridge inverter topology has some issues like it cannot produce multiple voltage levels, high ... -
Single sensor three-phase permanent magnet synchronous motor drive based on Luenberger style-observers
( IEEE , 2012 , Conference Paper)This paper presents a technique to estimate phase currents and rotor position in a vector-controlled PMSM drive using only dc-link current measurement. Three cascaded Luenberger style observers were used to perform this ... -
Single- and multi-source battery-less power management circuits for piezoelectric energy harvesting systems
( Elsevier B.V. , 2017 , Article)This paper presents a battery-less power management unit for piezoelectric energy harvesting which exploits a diode-based rectifier, a storage capacitor, and a custom trigger circuit to extract energy from a piezoelectric ... -
Single-Input and Multiple-Output Based Boost Converter Including Nonisolated and Isolated Outputs
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Single-input and multiple-output dc-dc converters offer low cost and high-power density. Various configurations of these converters are reported in the literature. The major gap which is observed in the reported converters ... -
Single-Phase 9L Switched-Capacitor Boost Multilevel Inverter (9L-SC-BMLI) Topology
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)The boosting factor has become a vital feature for a multilevel inverter to be connected with the low voltage PV system. In this paper, an inverter topology with 9 levels has been introduced. With the use of 10 switches ... -
Single-Phase 9L Switched-Capacitor Boost Multilevel Inverter (9L-SC-BMLI) Topology
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)The boosting factor has become a vital feature for a multilevel inverter to be connected with the low voltage PV system. In this paper, an inverter topology with 9 levels has been introduced. With the use of 10 switches ... -
Single-phase SEPIC-based power factor correction for electric vehicles charging
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Electric Vehicles (EVs) employment has been widely spread recently due to their environmental-friendliness. Many research efforts are being put into developing the charging infrastructure to meet the customer needs while ... -
Single-Phase Step-Up Switched-Capacitor-Based Multilevel Inverter Topology with SHEPWM
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Multilevel inverter (MLI) topologies play a crucial role in the dc-ac power conversion due to their high-quality performance and efficiency. This article aims to propose a new switched-capacitor-based boost multilevel ... -
Single-Phase Transformer-based HF-Isolated Impedance Source Inverters With Voltage Clamping Techniques
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In this paper, a new family of impedance source inverters is presented. It employs high-frequency electrical isolation between the inverter bridge switches and the load along with voltage clamping across the dc-link voltage. ... -
Single-Phase ZAC-Source AC-AC Converter with High Buck and Boost Voltage Conversion Capability
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this article, a novel ZAC-source single-phase ac-ac converter with high buck and boost voltage conversion capability is introduced. The proposed topology utilizes the ZAC-source network to regulate the frequency and ... -
Single-sensor-based three-phase permanent-magnet synchronous motor drive system with luenberger observers for motor line current reconstruction
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Article)This paper presents an algorithm that enables single-sensor operation of vector-controlled three-phase permanent-magnet-synchronous-motor voltage source inverter (VSI)-based drive systems. The closed-loop operation is ... -
Single-Stage Three-Phase Differential-Mode Buck-Boost Inverters with Continuous Input Current for PV Applications
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Differential-mode buck-boost inverters have merits such as reduced switch number, ability to provide voltages higher or lower than the input voltage magnitude, improved efficiency, reduced cost and size, and increased power ... -
SINR analysis for beamforming OFDM systems under joint transmit-receive I/Q imbalance
( IEEE , 2012 , Conference Paper)In this paper, we derive an analytical expression for the subcarrier average SINR of a beamforming OFDM system in the presence of joint transmit-receive I/Q imbalance. The derived expression quantifies the impact of the ... -
Sinusoidal PWM modulation technique of five-phase current-source-converters with controlled modulation index
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Applications such as multiphase machine drives and wind energy conversion systems are normally based on voltage source converters (VSCs) which feature a convenient and familiar control scheme. In high-power medium voltage ... -
Siting of pv power plants on inclined terrains
( Taylor and Francis Ltd. , 2014 , Article)Most of the studies conducted on solar energy assessment and solar system siting focus on flat terrains that are usually difficult and expensive to acquire in urban areas. This paper investigates the possibility of using ... -
Skills of engineers in knowledge based economies: A comprehensive literature review, and model development
( IEEE , 2013 , Conference Paper)Recent studies emphasize the needs of a wider set of skills engineers require than ever thought. In this paper, authors report on a systematic literature review on this issue. Findings of the review are spanned over two ... -
Sleep stage classification using sparse rational decomposition of single channel EEG records
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)A sparse representation of ID signals is proposed based on time-frequency analysis using Generalized Rational Discrete Short Time Fourier Transform (RDSTFT). First, the signal is decomposed into a set of frequency sub-bands ... -
Sliding mode control based dtc of sensorless parallel-connected two five-phase pmsm drive system
( Korean Institute of Electrical Engineers , 2018 , Article)This paper presents a sensorless direct torque control (DTC) combined with sliding mode approach (SM) and space vector modulation (SVM) to achieve mainly a high performance and reduce torque and flux ripples of a ... -
Sliding mode control of grid-connected wind energy system driven by 2 five-phase permanent magnet synchronous generators controlled by a new fifteen-switch converter
( John Wiley and Sons Ltd , 2020 , Article)This article presents a new wind energy system using 2 five-phase permanent magnet synchronous generators (PMSGs) controlled by a fifteen-switch rectifier (FSR) topology for grid-connected system. The 2 five-phase PMSGs ...