EPE Journal, "European Power Electronics and Drives", Volume 15, N° 3, 2005.
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Titre : EPE Journal, European Power Electronics and Drives, Volume 15, N° 3, 2005.

Cité dans : [DIV322]  Les revues EPE Journal et EPE Newsletter, février 2011.
Volume : 15
Numero : 3
Date : 2005
Site_web : http://www.epe-association.org/epe/main.htm
Stockage :

epe15-03.jpg - 19 Ko

EPE Journal Volume 15-3 - Editorial
Invitation to EPE-PEMC 2006, Portoroz, Slovenia [Details]
By K. Jezernik
Editorial of EPE Journal Volume 15-3 - Invitation to EPE-PEMC 2006,
Portoroz, Slovenia

EPE Journal Volume 15-3 - Papers
Optimisation of Low Voltage Power MOSFET Components for High Current
Applications [Details]
By A. Lindemann
Achievable current density of low voltage power MOSFET components has
increased significantly over the past years. Those devices are mainly used
in converters for automotive auxiliary drives or renewable energy. The
paper outlines state of the art technology and gives an outlook on further
development, taking into account the particular requirements of the
aforementioned demanding applications.

An Integrated Single-Stage Quasi-Resonant Power Factor Correction
Converter with Activez Clamp Circuit [Details]
By J-Y Lee; G-W Moon
A new integrated single-stage zero current switched (ZCS) quasi-resonant
converter (QRC) for the power factor correction (PFC) converter is
introduced in this paper. The power factor correction can be achieved by
the discontinuous conduction mode(DCM) operation of an input current. The
proposed converter has the characteristics of the good power factor, low
line current harmonics, and tight output regulation. Furthermore, the
ringing effect due to the output capacitance of the main switch can be
eliminated by use of active clamp circuit. A prototype converter has been
designed and experimented based on design equations. The line current
waveform of the prototype shows about 15% of total harmonic distortion at
rated condition. Also, the efficiency and the power factor can be obtained
about 87% and 0.985, respectively, at rated condition. The proposed
converter is suitable for a low power level applications with a tightly
regulated output voltage and a high switching frequency.

A Simple Stator Flux Oriented Induction Motor Control [Details]
By F. Cupertino; G. L. Cascella; L. Salvatore; N. Salvatore
This paper presents a novel stator flux oriented induction motor control
scheme. It utilises a sliding-mode controller in the stator flux control
loop. The existence condition of sliding mode control is derived, and
chattering suppression at steady-state is also considered. A proportional
controller is used in the torque control loop to simplify the control
scheme without compromising performance. Design formulas are given for the
controller parameters. They are not based on the mathematical motor model
but only need rated parameters. Experimental results are shown to prove
the effectiveness of the control strategy in transient and steady state

Robust Speed Control of a Low Damped Electromechanical System: Application
to a Four Mass Experimental Test Bench [Details]
By S. Poullain; P. Latteux; J.-L. Thomas; J. Sabatier; A. Oustaloup
Robust speed control of a low damped electromechanical system with
backlash is studied, when the controlled load angular speed can not be
measured. The proposed control strategy combines a Luenberger observer and
a robust CRONE controller (CRONE is a French acronym for”Commande Robuste
d’Ordre Non Entier”). The observer provides estimation of both load
angular speed and disturbance torque applied to the load. Through the
computation of only three independent parameters (as many as a PID
controller), the CRONE controller permits to ensure the robust speed
control of the load in spite of plant parametric variations and speed
observations errors. The proposed control strategy is applied to a four
mass experimental test bench.

A New Robust Experimentally Validated Phase Locked Loop for Power
Electronic Control [Details]
By M. C. Benhabib; S. Saadate
P.L.L is one of the circuits frequently used in control in power
electronic, such as in active power filters. Its first role in electronic
applications, is to identify the frequency (or the angular position) of a
periodical signal, in order to generate another signal synchronised with
the last one. However, many power applications need a perfect sine signal
phase locked to the utility voltages. As the utility voltages are not
always sinusoidal and balanced, a P.L.L is used in order to extract its
fundamental component. In this paper, a classical P.L.L with all
mathematical development confirmed by simulations will be first studied.
Then a new robust solution, which provides very good results under
unbalanced and distorted voltages, will be proposed. Simulations,
validated by experimentations, will confirm the proposed design. An
application case will be studied in order to illustrate the performances
of this new P.L.L.

A Four-level Inverter Scheme with Reduced Common Mode Voltage for an
Induction Motor Drive [Details]
By R.S. Kanchan; P.N. Tekwani; M.R. Baiju; K. Gopakumar
A four-level inverter configuration for an induction motor is proposed in
this paper. The drive used for this scheme is an open-end winding
induction motor which can be obtained by separating the neutral
connections of any general threephase induction motor. The proposed scheme
uses two three-level inverters, with asymmetric DC link voltage, feeding
the induction machine from both sides and can generate voltage space
vector locations similar to a conventional seven-level inverter. The
four-level scheme is based on the use of only those space vector
combinations of the seven-level inverter, which generate zero common mode
voltage in the machine phase voltages. The proposed four-level inverter
scheme requires only two isolated DC links as compared to the conventional
diode-clamped four-level inverter scheme, which needs three isolated power
supplies. The common mode voltage, in the pole voltages of the proposed
four-level inverter, is significantly lower than that of the conventional
four-level inverter while the machine phase voltages have zero common mode
content. The proposed power circuit bus structure is simple to fabricate
when compared to the conventional four-level inverter. A SVPWM scheme is
presented, which generates the inverter gate switching signals from
sampled amplitudes of reference phase voltages. The proposed four-level
inverter scheme is implemented of a 1.5 kW open-end winding induction
motor and the experimental results are presented.

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