IEEE transactions on energy conversion, Vol. 25 N° 1. IEEE transactions on energy conversion - Mars 2010
| Titre : | IEEE transactions on energy conversion, Vol. 25 N° 1. IEEE transactions on energy conversion - Mars 2010 |
| Type de document : | Bulletin |
| Paru le : | 24/06/2010 |
Dépouillements
Article : texte imprimé
Seon-Hwan Hwang, Auteur ;
Jang-Mok Kim, Auteur
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A new dead time compensation method for a pulsewidth modulation (PWM) inverter is proposed. In the PWM inverter, voltage distortion due to the dead time effects produces fifth and seventh harmonics in the phase currents of the stationary referen[...]
Article : texte imprimé
Laroche, E., Auteur ;
Boutayeb, M., Auteur
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This paper presents an original method for estimation of the induction motor parameters, including iron loss, with measurements in the sinusoidal steady-state mode. Based on a change of parameter yielding a model that is linear with respect to t[...]
Article : texte imprimé
To gain insight into the aging mechanisms of winding insulations for power generators, the insulation system of an in-service aged winding was assessed. Accordingly, generator bars were dismantled from an 8 kV hydrogenerator that had failed an o[...]
Article : texte imprimé
Foo, G., Auteur ;
Sayeef, S., Auteur ;
Rahman, M.F., Auteur
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This paper investigates a sensorless direct torque and flux control scheme for interior permanent magnet synchronous motor drives at low speeds, including standstill. Closed-loop control of both torque and stator flux linkage are achieved by usi[...]
Article : texte imprimé
A. B. Dehkordi, Auteur ;
Neti, P., Auteur ;
Gole, A.M., Auteur
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A comprehensive model of a salient-pole synchronous machine is developed for a real-time environment. By obtaining the effective specific permeance of the machine from simple experimental measurements and the exact geometry of the rotor pole arc[...]
Article : texte imprimé
David, E., Auteur ;
Lamarre, L., Auteur
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The aging due to mechanical, thermal, electrical, and environmental stresses of a stator insulation system inherently involves alterations of the material properties that are detrimental to its service operation. When these properties are deteri[...]
Article : texte imprimé
Zhong Wang, Auteur ;
Guo-jie Li, Auteur ;
Yuanzhang Sun, Auteur
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Vector control of the doubly fed induction generators (DFIGs) depends on accurate information from a stator voltage phase lock loop (PLL) and a rotor position encoder for the reference frame transformations required by theory. The effect of erro[...]
Article : texte imprimé
Xiaodong Liang, Auteur ;
El-Serafi, A.M., Auteur ;
S. O. Faried, Auteur
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It has been recognized that the cross-magnetizing phenomenon of saturated synchronous machines plays an important role in their analysis using the two-axis frame models. In this paper, the finite-element method (FEM) is applied to determine from[...]
Article : texte imprimé
Riera-Guasp, Martin, Auteur ;
Cabanas, M. F., Auteur ;
Antonino-Daviu, Jose Alfonso, Auteur
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Studies of rotor asymmetries in squirrel-cage induction motors have traditionally focused on analyses of the effects of the breakage of adjacent bars on the magnetic field and current spectrum. However, major motor manufacturers have reported ca[...]
Article : texte imprimé
Dos Santos, E.C., Auteur ;
Jacobina, C.B., Auteur ;
Beltrao de Rossiter Correa, M., Auteur
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This paper investigates multiple single-phase converters for multiple single-phase motor drives from a dc-link voltage. The dc-link voltage is obtained from primary energy sources such as photovoltaic, battery, utility grid, or by a combination [...]
Article : texte imprimé
Boqiang Xu, Auteur ;
Liling Sun, Auteur ;
Ren Hui, Auteur
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This paper addresses itself to evaluate quantitatively the severity of broken rotor bar (BRB) fault, i.e., the number of BRBs in induction motors. Sideband components are induced in stator current if BRB fault is present and commonly used for di[...]
Article : texte imprimé
El-Khattam, W., Auteur ;
Sidhu, Tarlochan S., Auteur ;
Seethapathy, R., Auteur
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Local distribution companies (LDCs) require disconnection of distributed generation (DG) as soon as disturbance events occur to prevent sustainable islanding and damaging DGs and other equipments. In this paper, real-time laboratory testings wer[...]
Article : texte imprimé
Seok-Hee Han, Auteur ;
Jahns, Thomas M., Auteur ;
Soong, W.L., Auteur
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This paper develops analytical principles for torque ripple reduction in interior permanent magnet (IPM) synchronous machines. The significance of slot harmonics and the benefits of stators with odd number of slots per pole pair are highlighted.[...]
Article : texte imprimé
Wang, Li, Auteur ;
Dong-Jing Lee, Auteur
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This paper focuses on the load-tracking performance of an autonomous hybrid power generation/energy storage system (PG/ESS) with two solid-oxide fuel cells (SOFCs), a diesel-engine generator (DEG), a battery ESS (BESS), two dc-dc converters, and[...]
Article : texte imprimé
Lopez, O., Auteur ;
Freijedo, F.D., Auteur ;
Yepes, A.G., Auteur
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For low-power grid-connected applications, a single-phase converter can be used. In photovoltaic (PV) applications, it is possible to remove the transformer in the inverter to reduce losses, costs, and size. Galvanic connection of the grid and t[...]
Article : texte imprimé
Modeling and fault diagnosis of a polymer electrolyte fuel cell using electrical equivalent analysis
Hernandez, A., Auteur ;
Daniel Hissel, Auteur ;
Outbib, R., Auteur
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Fuel cell systems are complex systems and a high degree of competence is needed in different areas of knowledge such as thermodynamics, fluid dynamics, electrochemistry, and others, for their comprehension. This paper is a contribution to global[...]
Article : texte imprimé
Joshi, D.R., Auteur ;
Jangamshetti, S.H., Auteur
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A novel analytical method is proposed to find the reliability, the average failure rate, and the operation and maintenance costs (OMCs) of wind turbine generator based on the site wind data. The failure rate function is developed using wind turb[...]
Article : texte imprimé
Lorenzo Fagiano, Auteur ;
Milanese, M., Auteur ;
Piga, D., Auteur
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The paper presents the innovative technology of high-altitude wind power generation, indicated as Kitenergy, which exploits the automatic flight of tethered airfoils (e.g., power kites) to extract energy from wind blowing between 200 and 800 m a[...]
Article : texte imprimé
Lingling Fan, Auteur ;
Yuvarajan, S., Auteur ;
Kavasseri, R., Auteur
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This paper develops a framework for analysis of harmonics in a doubly fed induction generator (DFIG) caused by nonsinusoidal conditions in rotor and unbalance in stator. Nonsinusoidal rotor voltages are decomposed into harmonic components and th[...]
Article : texte imprimé
McMillan, D., Auteur ;
Ault, Graham W., Auteur
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The majority of wind turbines currently in operation have the conventional Danish concept design-that is, the three-bladed rotor of such turbines is indirectly coupled with an electrical generator via a gearbox. Recent technological developments[...]
Article : texte imprimé
Clerici, D., Auteur ;
Della Torre, F., Auteur ;
Morando, A.P., Auteur
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A three-phase model of asynchronous machines operating at medium or high frequencies is presented. It can be used to study the propagation of surge waves along the stator windings of induction form-wound machines. The model is derived from an an[...]
Article : texte imprimé
Ching-Tsai Pan, Auteur ;
Yu-Ling Juan, Auteur
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In this paper, a novel maximum power point tracking (MPPT) controller with an adaptive compensation control is first proposed for a microscale wind power generation system (WPGS). Based on the adaptive control, the dynamic response is improved a[...]
Article : texte imprimé
Dezheng, Wu, Auteur ;
Pekarek, S.D., Auteur
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In recent research, a field construction technique (FCT) was derived to enable more efficient evaluation of the magnetic fields and forces within induction machines. Using the FCT, the results of two finite-element (FE) solutions are used to est[...]
Article : texte imprimé
Agarwal, V., Auteur ;
Aggarwal, R. K., Auteur ;
Patidar, P., Auteur
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This paper presents a novel maximum power point (MPP) tracking (MPPT) algorithm for grid-connected wind energy generation systems (WEGS). This is a rapid tracking algorithm that uses the fact that the value of ????,?? an intermediate variable, e[...]
Article : texte imprimé
Melgoza, E., Auteur ;
Venegas, V., Auteur ;
Escarela-Perez, R., Auteur
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The differential inductance and flux linkage positional derivative are important parameters in the analysis and simulation of electrical machines where saturation is nonnegligible. A new method for the computation of these quantities for devices[...]
Article : texte imprimé
Andrew Kusiak, Auteur ;
Wenyan, Li, Auteur
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In this paper, a data-driven methodology for the development of virtual models of a wind turbine is presented. To demonstrate the proposed methodology, two parameters of the wind turbine have been selected for modeling, namely, power output and [...]
Article : texte imprimé
In order to safely operate the supercapacitor (SuperCap) energy storages as peak power units until the end of their lifetime in the real applications, identifying the electrical characteristics of SuperCaps and assessing the energy capacity and [...]
Article : texte imprimé
Pai, Fu-Sheng, Auteur ;
Ru-Min Chao, Auteur
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One of critical concerns in the operation of the photovoltaic system is the maximum power point (MPP) tracking problem that increases the economical feasibility of the system. This letter presents a tracking method using the quadratic polynomial[...]
Article : texte imprimé
A simple method for analyzing the steady-state performance of a self-excited induction generator with P-Q load model is described in this letter. First, the basic operating equations of the generator are derived from its equivalent circuit, and [...]
Article : texte imprimé
Tending toward the adaptive modeling of main flux saturation in induction machine, this brief discloses the induction machine magnetizing inductance as an expression in terms of only d -q axis winding flux linkages. It will be shown that such an[...]
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