Optimal Design of an AC Filtering Inductor for a 3-Phase PWM Inverter Including Saturation Effect

Voldoire, Adrien; Schanen, Jean‐Luc; Ferrieux, Jean-Paul; Gautier, Cyrille; Saber, Christelle

doi:10.1109/pedstc.2019.8697246

Cited by 5 publications

(3 citation statements)

References 15 publications

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“…The filter design has been well developed in recent years. Pairodamonchai et al suggested a hybrid output EMI filter to eliminate the high-frequency CMV components [168], and the researches on the optimization of filters have also been reported [169,170]. Moreover, an advanced inverter design can also help to reduce CMV: The active zero state PWM (AZSPWM) method [171] and the near state PWM (NSPWM) method [172] effectively suppress the neutral voltage of a motor.…”

Section: Reasonable Grounding and Minimizing The Electric Fieldmentioning

confidence: 99%

Electrical bearing failures in electric vehicles

2020

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In modern electric equipment, especially electric vehicles, inverter control systems can lead to complex shaft voltages and bearing currents. Within an electric motor, many parts have electrical failure problems, and among which bearings are the most sensitive and vulnerable components. In recent years, electrical failures in bearing have been frequently reported in electric vehicles, and the electrical failure of bearings has become a key issue that restricts the lifetime of all-electric motor-based power systems in a broader sense. The purpose of this review is to provide a comprehensive overview of the bearing premature failure in the mechanical systems exposed in an electrical environment represented by electric vehicles. The electrical environments in which bearing works including the different components and the origins of the shaft voltages and bearing currents, as well as the typical modes of electrical bearing failure including various topographical damages and lubrication failures, have been discussed. The fundamental influence mechanisms of voltage/current on the friction/ lubrication properties have been summarized and analyzed, and corresponding countermeasures have been proposed. Finally, a brief introduction to the key technical flaws in the current researches will be made and the future outlook of frontier directions will be discussed.

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Section: Reasonable Grounding and Minimizing The Electric Fieldmentioning

confidence: 99%

Electrical bearing failures in electric vehicles

2020

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“…The saturation phenomenon is important when optimizing the weight, since inductors contribute to a great part of the total converter weight. The full method was described in Reference [23]. It consists of calculating the induction ripple ∆B.…”

Section: Inductor Modelsmentioning

confidence: 99%

“…The choice of the material and permeability was done considering the designer experience and the availability of products on the market. It is also possible to optimize the choice of material and permeability with the tool [23]. Table 4 compares the optimization results with the main experimental measurements.…”

Section: Powder Core Solutionmentioning

confidence: 99%

Three-Phase PWM Voltage-Source-Inverter Weight Optimization for Aircraft Application Using Deterministic Algorithm

et al. 2020

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In this paper, a design by optimization process is used to size a 10-kW three-phase pulse width modulation (PWM) inverter for aeronautic application. The objective function is the converter weight, which has to be minimized. Sizing constraints are the efficiency, alternating current (AC) and direct current (DC) harmonics, and thermal constraints on all devices. A deterministic algorithm is chosen since it allows obtaining quick results and dealing with a large number of variables. All equations are analytical, in order to comply with this gradient-based optimization strategy, which imposes the derivability of the models. Several optimization results using different AC inductor solutions (iron powder and ferrite) are compared. The optimized converters were built and tested experimentally to verify their performances. Semiconductor and inductor losses were measured accurately using calorimetric test benches. The optimality of the solutions was carefully verified by changing parameters.

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