Browsing Electrical Engineering by Title
Now showing items 622-641 of 2495
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Cognitive relaying in wireless sensor networks: Performance analysis and optimization
( IEEE , 2010 , Conference Paper)The anticipated increase in the density of the deployed wireless sensor networks calls for spectrum sharing through unlicensed access to licensed spectrum. The key technology for spectrum sharing in this scenario is cognitive ... -
A Collaboration Incentive Exploiting the Primary-Secondary Systems' Cross Interference for PHY Security Enhancement
( IEEE , 2016 , Article)We investigate the spectrum sharing possibility as an incentive to enhance the physical layer security. The concept behind is that a legitimate source-destination pair, communicating in the presence of a passive eavesdropper, ... -
Collective self-consumption of solar photovoltaic and batteries for a micro-grid energy system
( Elsevier , 2023 , Article)The paper carried out a techno-economic analysis in order to obtain the optimum battery storage capacity in conjunction with a photovoltaic array that can match the desired household load at highest possible self-consumption. ... -
Colloidal distribution of the PCPDTBT and VOPcPhO in the organic amalgam thin films and their optical properties
( Springer Verlag , 2017 , Article)In this article, we investigated the optical properties and colloidal distribution of the PCPDTBT and VOPcPhO in the organic amalgam thin films prepared by spin-coating technique. A very even dispersion of donor and acceptor ... -
Combating jamming attacks in multi-channel IoT networks using game theory
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Jamming attacks are among the most widely used techniques to block and disturb legitimate communications. Several techniques are used in the literature to combat these attacks. However, most of them either require the ... -
Comments on: "Fault detection for continuous-time switched systems under asynchronous switching"
( John Wiley & Sons, Ltd. , 2015 , Article)In this note, a defect occurred in Theorem 1 in the study Du et al. (Int. J. Robust Nonlinear Control 2013; doi: 10.1002/rnc.2961) is addressed. Additionally, the correction of the theorem is presented. -
Common Mode Voltage Reduction in a Single-Phase Quasi Z-Source Inverter for Transformerless Grid-Connected Solar PV Applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)The quasi-Z-source inverter (qZSI) is becoming a popular inverter topology that can buck or boost input voltage without a dc-dc converter and hence can be used in transformerless configuration. Due to its single-stage ... -
Common mode voltage reduction in a three-to-five phase matrix converter fed induction motor drive
( Institution of Engineering and Technology , 2017 , Article)Multiphase power converters generate common mode voltage due to switching actions of the power switches. The resulting common mode current in multiphase motor drives flow through the bearing and shaft. Continuous flow of ... -
Common mode voltage reduction in open-end multi-phase load system fed through matrix converter
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper reduction of common mode voltage (CMV) for five phases open end load system is discussed. Open end load is fed through three-to-five phases dual matrix converters (DMC). Space vector pulse width modulation ... -
Common mode voltage reduction technique in a three-to-three phase indirect matrix converter
( Institution of Engineering and Technology , 2018 , Article)In this study, common mode voltage (CMV) reduction using space vector pulse-width modulation (SVPWM) technique is proposed for a three-phase induction motor drive fed by a three-to-three phase indirect matrix converter ... -
Common-mode voltage and vibration mitigation of a five-phase three-level NPC inverter-fed induction motor drive system
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)Common-mode (CM) voltage is one of the main reasons for the flow of bearing currents in induction motors (IM) that ultimately leads to the bearing failure and causes severe vibrations. For three-phase IM drives, many works ... -
Common-mode voltage control through vector selection in three-to-five phase matrix converter
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Multi-phase matrix converters (more than three phase) are distinctively advantageous as because of reduced per-phase current and unity power factor operation. The electrical motors supplied through these converters do have ... -
Common-mode voltage reduction for space vector modulated three- to five-phase indirect matrix converter
( Elsevier Ltd , 2018 , Article)All available Pulse Width Modulation (PWM) techniques employed to different Matrix Converter (MC) topologies generally generate switching Common-Mode Voltage (CMV), which introduces numerous operational concerns in electric ... -
Common-mode voltage reduction of matrix converter fed seven-phase induction machine
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)This paper introduces space vector modulation (SVM) schemes for reducing the common mode voltage (CMV) of a direct three-to seven-phase matrix converter (3?7 MC) fed a seven-phase induction motor. The proposed techniques ... -
Comparative analysis of carrier schemes for PWM in multilevel PUC inverter for PV applications
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)This paper presents an evaluation of two modulation methods for the seven-level packed U cell (PUC) inverter for photovoltaic applications. The PUC is a multilevel inverter which has less number of switching devices than ... -
Comparative analysis of three-phase to five-phase transformer connections
( Taylor and Francis Ltd. , 2017 , Article)Five-phase supply is needed for supplying five-phase motor drive systems. Special transformer connection schemes have been developed over the years and reported in the literature to convert three-phase supply from the grid ... -
Comparative evaluation of four quasi-square wave fed multiphase induction machines
( IEEE , 2011 , Conference Paper)Multiphase winding structures provide induction machines with favorable fault tolerant characteristics. Medium voltage drives have also benefited from the favorable application characteristics of multiphase machines, as ... -
Comparative Performance of DFIG and PMSG Wind Turbines during Transient State in Weak and Strong Grid Conditions Considering Series Dynamic Braking Resistor
( MDPI , 2022 , Article)The recently stipulated grid codes require wind generators to re-initiate normal power production after grid voltage sag. This paper presents a comparative performance of two commonly employed variable speed wind turbines ... -
Comparative study of adaptive sliding mode and resonant controllers in fault tolerant five-phase permanent magnet synchronous motor drive
( Springer London , 2018 , Article)This paper proposes a new fault tolerant control strategy for a five-phase permanent magnet synchronous motor (PMSM) drive under single-phase open circuit condition. The loss of one phase causes problems such as disturbing ... -
Comparative study of classical and fuzzy -regulator in five phase synchronous machine control with open phase
( IOS Press , 2018 , Article)Speed control of synchronous machines using Field Oriented Control (FOC) classically uses Proportional Integral (PI) or Integral Proportional (IP) regulators that allow to achieve satisfactory goals on the dynamics of speed ...