Journal ArticleDOI
Automotive Traction Inverters: Current Status and Future Trends
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TLDR
An independent review of the state-of-the-art traction inverter designs from several production vehicles across multiple manufacturers is presented, highlighting wide bandgap devices and trends in device packaging.Abstract:
Traction inverters are crucial components of modern electrified automotive powertrains. Advances in power electronics have enabled lower cost inverters with high reliability, efficiency, and power density, suitable for mass market consumer automotive applications. This paper presents an independent review of the state-of-the-art traction inverter designs from several production vehicles across multiple manufacturers. Future trends in inverter design are identified based on industry examples and academic research. Wide bandgap devices and trends in device packaging are discussed along with active gate driver implementations, current and future trends in system integration, and advanced manufacturing techniques.read more
Citations
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Proceedings ArticleDOI
A 1.2 kV 100 kW Four-level ANPC Inverter with SiC Power Modules and Capacitor Voltage Balance for EV Traction Applications
TL;DR: In this paper, the authors present the design and implementation of a 100 kW/1.2 kV three-phase inverter formed by a four-level active neutral point clamped (4L-ANPC) topology and full-SiC power modules.
Journal ArticleDOI
Three-Level Reduced Switch AC/DC/AC Power Conversion System for High Voltage Electric Vehicles
TL;DR: In this paper , a 10-switch inverter is proposed to improve the quality of the grid-side current and provide a regulated DC-link voltage for a PMSM drive system.
Proceedings ArticleDOI
Intrinsically-Safe Modular Power Converters for Electric Transportation
TL;DR: The authors present an intrinsically safe and modular 48 volt DC powertrain architecture that meets and surpasses current EV power and performance specifications while delivering the additional benefits of low-voltage touch safety and reduced isolation requirements.
Journal ArticleDOI
High Power Density Interleaved ZCS 80-kW Boost Converter for Automotive Applications
TL;DR: In this article , an 80-kW interleaved boost converter is proposed to step a low battery voltage up to an 800-V dc link, which employs a discontinuous conduction mode (DCM) variable-frequency control strategy to achieve an efficiency increase at low-power levels.
Journal ArticleDOI
Efficiency Optimization of PWM-Induced Power Losses in Traction Drive Systems With IPM Machines Using Wide Bandgap-Based Inverters
TL;DR: In this paper , the authors investigated the total PWM-induced power losses in interior permanent magnet (IPM) machines excited by wide bandgap (WBG)-based voltage-source inverters with different pulsewidth modulation (PWM) schemes and a wide range of switching frequencies.
References
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Journal ArticleDOI
Multilevel inverters: a survey of topologies, controls, and applications
TL;DR: The most important topologies like diode-clamped inverter (neutral-point clamped), capacitor-Clamped (flying capacitor), and cascaded multicell with separate DC sources are presented and the circuit topology options are presented.
Journal ArticleDOI
Z-source inverter
TL;DR: The Z-source converter employs a unique impedance network to couple the converter main circuit to the power source, thus providing unique features that cannot be obtained in the traditional voltage-source (or voltage-fed) and current-source converters where a capacitor and inductor are used, respectively.
Book
Pulse Width Modulation for Power Converters: Principles and Practice
D. Grahame Holmes,Thomas A. Lipo +1 more
TL;DR: In this paper, an integrated and comprehensive theory of PWM is presented and the selection of the best algorithm for optimum pulse width modulation is an important process that can result in improved converter efficiency, better load (motor) efficiency, and reduced electromagnetic interference.
Journal ArticleDOI
Analysis and realization of a pulsewidth modulator based on voltage space vectors
TL;DR: In this article, a space vector concept for deriving the switching times for pulsewidth-modulated voltage source inverters is compared with the conventional sinusoidal concept, which results in lower current harmonics and possibly a higher modulation index.
Journal ArticleDOI
A Survey of Wide Bandgap Power Semiconductor Devices
TL;DR: In this article, a review of recent progresses in the development of SiC- and GaN-based power semiconductor devices together with an overall view of the state of the art of this new device generation is presented.
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