A Study of Conduction Noise Suppression Control for Two-Motor Drive Systems

Hanioka, Shota; Iezawa, Masahiro; Ogasawara, Satoshi

doi:10.1109/apemc49932.2021.9596761

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2022

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“…We propose an inverter control method whereby conduction noise can be reduced, even when the two inverters are driven with different output voltages. 11 This paper is organized as follows. Section 2 discusses the principle by which conduction noise occurs in a motor drive system, and the noise suppression principle used in the proposed method.…”

Section: Introductionmentioning

confidence: 99%

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Common mode noise suppression control for two‐motor drive systems

Hanioka

Iezawa

Ogasawara

et al. 2022

Elect Comm in Japan

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This paper introduces a pulse‐width modulation (PWM) method for a two‐motor drive system that reduces the propagation of conduction noise to the power supply. This two‐motor drive system consists of two motors with two inverters, each of which is connected to a common DC bus. The proposed method suppresses the common mode voltage ideally to zero by shifting the rise and fall times of the output voltage of each inverter. Our experimental results show that the rise and fall times of the output voltage can be synchronized even when the two inverters are driven at different amplitudes and frequencies. We confirm that the proposed method suppresses the propagation of conduction noise to the power supply.

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Section: Introductionmentioning

confidence: 99%

“…In this paper, we examine a system for driving two three‐phase motors by two three‐phase full bridge inverters. We propose an inverter control method whereby conduction noise can be reduced, even when the two inverters are driven with different output voltages 11 . This paper is organized as follows.…”

Section: Introductionmentioning

confidence: 99%