2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289)
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A new load resonant dual-output converter
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 3 - Trang 1319-1324 vol.3
The resonant dual-output converter (RDOC) is derived from the series-parallel resonant LLC converter by introducing half-wave instead of full-wave rectification. The RDOC regulates two outputs independently using a single power stage. The load range covers any combination including no-load while still maintaining zero voltage switching. This holds for an input voltage range comparable to the conve...... hiện toàn bộ
#Resonance #Zero voltage switching #Frequency #Power distribution #Topology #Steady-state #Low voltage #Error correction #Power supplies #Bridge circuits
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
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
Novel topology for correction of unbalanced load in single phase electric traction systems
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 3 - Trang 1208-1212 vol.3
Railway traction loads present large single phase loads to the supply system. Typically zero sequence components are removed using a phase to phase transformer connection, however a large negative sequence component remains. As the amount of rail traffic increases and the use of regenerative braking becomes higher, the issue of negative sequence becomes more critical. This paper presents a novel a...... hiện toàn bộ
#Topology #Phase transformers #Active filters #Control systems #Rail transportation #Earth #Isolators #Isolation technology #Power system harmonics #Power harmonic filters
Power integrated circuit drives based on HV NMOS
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 4 - Trang 1737-1740 vol.4
This paper presents high voltage (HV) NMOS based level shifters, bootstraps and charge pumps in direct and cascaded topologies, which are highly useful to implement either power integrated circuits (PICs) high-side transistor floating drives or compact inductorless DC-DC power supplies. Monolithic solutions resorting to a unique HV NMOS switching cell are very important when standard CMOS technolo...... hiện toàn bộ
#Power integrated circuits #MOS devices #Voltage #CMOS technology #Charge pumps #Integrated circuit technology #Costs #Circuit topology #Power supplies #Geometry
Battery discharger applications of high frequency boost converter with lossless snubber
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 938-942 vol.2
In this paper, a power converter with an auxiliary circuit, which has no snubber loss, has been suggested to reduce the diode reverse recovery loss. The small saturable inductor is added to reduce the reverse recovery loss of the diode. Due to the addition of a saturable inductor, much resonant energy is reduced. Therefore, the resonant capacitor can be significantly reduced. Therefore, higher fre...... hiện toàn bộ
#Batteries #Frequency conversion #Snubbers #Inductors #Switches #Switching converters #Diodes #Pulse width modulation converters #Voltage #Switching loss
Distributed control scheme for parallel connected soft-switching high-power high-frequency inverters
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 3 - Trang 1395-1400 vol.3
Inductive heating applications, such as pipe welding or steel-tape annealing, require electrical power ratings of several MWs at frequencies up to 100 kHz and higher. To realize this high power frequency product, several inverters or several power semiconductor devices have to be connected in parallel, because the maximum rating of a single inverter unit is often far below the required rated power...... hiện toàn bộ
#Distributed control #Inverters #Communication system control #Frequency #Control systems #Welding #Annealing #Power semiconductor devices #Voltage control #Zero voltage switching
Performance evaluation of a Schottky SiC power diode in a boost PFC application
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 631-635 vol.2
The performance of a 600 V, 4 A silicon carbide (SiC) Schottky diode (Infineon SDP04S60) is experimentally evaluated. A 300 W boost power factor corrector with average current mode control (PFC) is considered as a key application. Measurements of overall efficiency, switch and diode losses and conducted electromagnetic interference (EMI) are performed both with the SiC diode and with two ultra-fas...... hiện toàn bộ
#Silicon carbide #Schottky diodes #Switches #Electromagnetic interference #Reactive power #Power measurement #Loss measurement #Electromagnetic measurements #Magnetic losses #Performance evaluation
An instructional laboratory for the revival of electric machines and drives courses
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 455-460 vol.2
This paper describes the developments at the University of Minnesota of new approach in teaching of electric drives, focusing on the associate state-of-the-art laboratory. The mission of these developments is to nationally revitalize courses in industrially and strategically vital fields of electric drives (and power electronics). This is accomplished by making these courses appealing to students ...... hiện toàn bộ
#Laboratories #Electric machines #Power electronics #Drives #Continuing education #Digital control #Hardware #Electronics industry #Electric motors #Voltage
Analyzing common-mode chokes for induction motor drives
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 3 - Trang 1557-1562 vol.3
This paper first analyzes the required characteristics of common-mode (CM) chokes for induction motor (IM) drive applications. It then presents an approach for specifying CM chokes in order to achieve specified CM-current reductions. To this end, a high-frequency IM model based on the IM zero-sequence impedance is suggested. The CM choke specification should be based on its particular application ...... hiện toàn bộ
#Inductors #Induction motor drives #Voltage #Current measurement #Inductance #Pulse width modulation inverters #Cables #Shape measurement #Induction motors #Laboratories
Minimum-voltage active-clamping DC-DC converters
2002 IEEE 33rd Annual IEEE Power Electronics Specialists Conference. Proceedings (Cat. No.02CH37289) - Tập 2 - Trang 403-408 vol.2
A family of minimum-voltage active-clamping (MVAC) DC-DC converters is proposed. Differing from the conventional active-clamping converters, MVAC DC-DC converters possess minimum voltage stresses. There is no parasitic voltage ringing across the diode of the converters. Both main switch and auxiliary switch in the MVAC converters can achieve zero-voltage-switching (ZVS) under wide operation range....... hiện toàn bộ
#DC-DC power converters #Switches #Switching converters #Stress #Diodes #Zero voltage switching #Clamps #Inductors #Snubbers #Resonance
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