Electrical Engineering: المرسلات الحديثة
السجلات المعروضة 921 -- 940 من 2840
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A novel multilevel carrier-based PWM-control method for GTO inverter in low index modulation region
( IEEE , 2006 , Article)Gate turn offs (GTOs) have an inherent minimum ON-OFF time, which is needed for their safe operation. For GTO-based three-level or neutral-point-clamped (NPC) inverters, this minimum ON-OFF pulsewidth limitation results ... -
Precise method for linearizing sine and cosine signals in resolvers and quadrature encoders applications
( IEEE , 2004 , Conference)Resolvers and quadrature encoders provide electrical signal related to the sine and cosine of the mechanical shaft angle over the full 360 degree range. A converter is described for the linearization of these signals, ... -
A novel method for estimating the angle from analog co-sinusoidal quadrature signals
( Elsevier , 2008 , Article)The paper presents a new low cost and accurate method for determining the angle from sine and cosine signals produced by resolvers and sinusoidal encoders. In the proposed scheme, multiple phase-shifted sinusoids (PSS) are ... -
Development of a grid connected photovoltaic power conditioning system based on flying capacitors inverter
( IEEE , 2011 , Conference)In an effort to utilize the solar energy effectively through power electronics converters (conditioners), a great deal of research is being carried out to meet the increasing demand for load. This paper proposes an ... -
Real Time Digital Feedback Control for VFD fed by cascaded multi-cell inverter
( IEEE , 2010 , Conference)Multi-cell inverter include an array of single-phase inverters capable of handling higher voltage ratings with lower rating power electronics devices. In this paper, a Real Time Digital Feedback Controller (RTDFBC) combined ... -
A high precision resolver-to-DC converter
( IEEE , 2005 , Article)A newly developed resolver converter, providing a pseudolinear voltage proportional to the shaft angle, is presented. This converter is based on a new concept involving the absolute values of the demodulated sine and cosine ... -
Speed control of induction motor without rotational transducers
( IEEE , 1999 , Article)This paper describes a newly developed speed sensorless drive based on neural networks. A backpropagation neural network is used to provide real-time adaptive identification of the motor speed. The estimation objective is ... -
A new PLL method for resolvers
( IEEE , 2010 , Conference)This paper describes a novel implementation of the classical PLL closed loop method without using VCO, DAC, counter and look-up tables. The proposed method makes use of the excitation signal of the resolver to estimate the ... -
Digital control for UPS inverters
( IEEE , 2003 , Conference)PWM inverters digital controls with dead-beat re sponse, for UPS applications, are reviewed. To improve the output waveforms of the PWM inverter, several modern control techniques are applied together with the deadbeat ... -
A Novel Resolver-to-360° Linearized Converter
( IEEE , 2004 , Article)A novel and simple resolver-to-dc converter is presented. It is shown that by appropriate processing of the sine and cosine resolver signals, the proposed converter may produce an output voltage proportional to the shaft ... -
A new iterative learning control method for PWM inverter current regulation
( IEEE , 2003 , Conference)AC servomotor speed or current controller based on PI control and/or optimal control, can not eliminate the cyclical fluctuations of speed or current when subject to periodic disturbances. PWM inverters output waveforms ... -
The simultaneous impact of EV charging and PV inverter reactive power on the hosting distribution system's performance: A case study in kuwait
( MDPI AG , 2020 , Article)Recently, electric vehicles (EVs) have become an increasingly important topic in the field of sustainable transportation research, alongside distributed generation, reactive power compensation, charging optimization, and ... -
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 ... -
A Matlab/Simulink Model for Electric Vehicle with Four Independent In-Wheel Drive and Steering
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference)Four steering wheels in vehicles are one of the most promising innovations rising in the vehicular transportation industry. This spices up the request for vehicle models that can enable four-wheel steering to experiment ... -
Lightweight KPABE Architecture Enabled in Mesh Networked Resource-Constrained IoT Devices
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Internet of Things (IoT) environments are widely employed in industrial applications including intelligent transportation systems, healthcare systems, and building energy management systems. For such environments of highly ... -
A Novel Features-Based Multivariate Gaussian Distribution Method for the Fraudulent Consumers Detection in the Power Utilities of Developing Countries
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)According to statistics, developing countries all over the world have suffered significant non-technical losses (NTLs) both in natural gas and electricity distribution. NTLs are thought of as energy that is consumed but ... -
Integration of temperature and dust effects in siting large PV power plant in hot arid area
( Elsevier Ltd , 2013 , Article)Recently, solar PV technologies witnessed a commercial vigor due to their tremendously decreasing prices. However, these technologies are vulnerable to dust and temperature which can significantly degrade their efficiency. ... -
EV impact on the residential distribution network with smart PV inverters
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Recently, electric vehicles have been increasingly leading in the field of research. Along with distributed generation and smart charging. The process of loading on existing power system infrastructures with an increasing ... -
Geometrical approach for wind farm symmetrical layout design optimization
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)Wind farm layout orientation plays an important factor to reduce the total wake loss and hence increase the capacity factor of the wind farm. Different wind farms layout design optimization techniques are widely used and ... -
An extraction method for the parameters of the solar cell single-diode-model
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference)This paper introduces an efficient and simple method for extracting the parameters of a solar cell described by a single diode model. Given the IV curve of the solar cell, the method starts with random parameters and relies ...
