2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289)

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Layout optimization to reduce EMI of a switched mode power supply
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 4 - Trang 2021-2026 vol.4
J.-L. Schanen, L. Jourdan, J. Roudet
This paper shows how to reach the "best" possible layout, satisfying simultaneously the minimal surface, all technological constraints due to the geometry of the components, and a reduced EMC signature. For this purpose, all components must be modeled in the high frequency domain, including interconnects. An interesting harmonic approach is used to predict EMI spectrum, which avoids the prohibitiv...... hiện toàn bộ
#Switched-mode power supply #Electromagnetic interference #Electromagnetic compatibility #Capacitors #Circuit simulation #Predictive models #Insulation life #Geometry #Frequency domain analysis #Integrated circuit interconnections
Protection of VSC-multi-terminal HVDC against DC faults
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 719-724 vol.2
Lianxiang Tang, Boon-Teck Ooi
Voltage-source converters (VSCs), by themselves, are defenseless against DC faults. Their anti-parallel diodes conduct as rectifier bridges to feed the fault. Their IGBTs (insulated gate bipolar transistors) are helplessly by-passed, unable to extinguish the fault current. This paper shows how a VSC-multi-terminal high voltage direct current (MTDC) transmission system can survive DC faults by a us...... hiện toàn bộ
#Protection #HVDC transmission #Insulated gate bipolar transistors #Converters #Power conversion #Voltage #Diodes #Rectifiers #Bridge circuits #Feeds
Self-learning laboratory set-up for teaching power electronics combining simulations and measurements
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 449-454 vol.2
C. Fernandez, O. Garcia, J.A. Cobos, J. Uceda
The proposed laboratory for teaching power electronics combines experimenting with a real prototype and using a simulator. In this case the teaching laboratory is focused on the switched DC/DC converters. Students can learn by their own and without professor assistance not only the theory about switched DC/DC converters, but also the differences between theory and practice, the importance of simul...... hiện toàn bộ
#Laboratories #Education #Power measurement #Power electronics #Hardware #Computer aided instruction #Prototypes #Circuit simulation #Software prototyping #Digital relays
A new three-input/output characteristics-varying filter in the D-module for direct processing of three-phase signals
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 3 - Trang 1413-1418 vol.3
S. Shinnaka
This paper proposes a new three-input and three-output characteristics-varying filter in the D-module for direct processing of three-phase signals, which are becoming indispensable for effective active compensation of three-phase power such as harmonics current, negative phase current, reactive power and varying voltage compensations. The filter in the D-module can show different filtering charact...... hiện toàn bộ
#Signal processing #Power harmonic filters #Electronic mail #Power system harmonics #Reactive power #Voltage #Frequency
A novel approach for enhancement of DC/DC converter dynamic response
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 4 - Trang 1582-1586 vol.4
A. Wojtasik, A. Svensson, C. Svardsjo
Minimising drops and overshoots in the power supply output circuits caused by sudden load current changes is a challenge for power supply designers. The paper presents a novel transient response enhancement technique. Neither expensive bulk capacitors nor additional supply voltages are needed. A relatively small energy storage capacitor is used together with a fast and powerful error amplifier. Th...... hiện toàn bộ
#DC-DC power converters #Capacitors #Voltage #Paramagnetic resonance #Power supplies #Energy storage #Circuits #Transient response #Regulators #Artificial intelligence
Single-phase PWM AC/AC semiconductor transformer topologies and applications
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 1048-1053 vol.2
Z. Fedyczak, R. Strzelecki, G. Benysek
This paper deals with the AC voltage transformation circuits, which contain matrix or matrix-reactance PWM AC fine conditioners. These circuits can be treated as PWM AC/AC semiconductor transformers. In this paper the review of single-phase topologies are presented. The review covers both nonisolated and isolated ones as well as single or two-quadrant structure. Furthermore there are shown the ave...... hiện toàn bộ
#Pulse width modulation #Circuit topology #Power generation #Matrix converters #Displacement control #Transfer functions #Industrial control #Thyristors #Voltage control #Power system harmonics
Industrial implementation of a controlled sensorless synchronous drive with hard start conditions
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 3 - Trang 1167-1171 vol.3
E.V. Akhmadeev, D.V. Beliaev, A.M. Weinger
The subject of this paper is a synchronous drive of grinding ball mills 4 MW, 150 rpm, 6 kV, 50 Hz on the base of PWM CSI. The system is installed at the concentrating plant of Norilsknickel in Russia. Specific to this drive is large stalling torque-up to 125% of rated torque. This is a sensorless drive. Another specific feature is the necessity of synchronization with power system and switching t...... hiện toàn bộ
#Industrial control #Sensorless control #Torque #Power system simulation #Pulse width modulation #Synchronous motors #Milling machines #Frequency #Voltage #Automatic control
Three-level inverters with common-mode voltage cancellation based on synchronous pulsewidth modulation
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 863-868 vol.2
V. Oleschuk, F. Blaabjerg
A novel method of direct synchronous pulsewidth modulation (PWM) is disseminated to three-level voltage source inverters with control algorithms with elimination of the common-mode voltages in three-phase drive systems with PWM. It provides smooth pulses-ratio changing and a quarter-wave symmetry of the voltage waveforms during the whole control range including overmodulation. Continuous, disconti...... hiện toàn bộ
#Pulse inverters #Pulse width modulation inverters #Pulse modulation #Pulse width modulation #Voltage control #Space vector pulse width modulation #Switching frequency #Switches #Power engineering #Control systems
Design methodology for non insulated DC-DC converter: application to 42V-14V "Powernet"
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 4 - Trang 1679-1684 vol.4
L. Jourdan, J.L. Schanen, J. Roudet, M. Bensaied, K. Segueni
Emerging needs in the automotive area are being turned toward a decrease of design times of power converters. The purpose of this paper is to present a global methodology to design power electronics equipment. Instead of solving each step successively, all problems are taken into account simultaneously. The main difficulty consists in evolving simple analytical (or semianalytical) models for the d...... hiện toàn bộ
#Design methodology #Insulation #DC-DC power converters #Mathematical model #Automotive engineering #Power electronics #Analytical models #Computer languages #Constraint optimization #Design optimization
Single-switch zero-voltage-switching high power factor electronic ballast
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 773-778 vol.2
Weihong Qiu, Z. Moussaoui, Wenkai Wu, I. Batarseh
This paper introduces two modified Class E circuits to achieve low crest factor of lamp current. By integrating flyback topology with Class E converter, the modified circuits can achieve improved lamp current crest factor, and still maintain high power factor and zero-voltage-switching features in conventional Class E converter. Simulation and experimental results are presented to verify the theor...... hiện toàn bộ
#Reactive power #Electronic ballasts #Circuit topology #Fluorescent lamps #Frequency #Voltage #Switching converters #Switches #Inverters #Power generation
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