Analysis of DC Brush Motor Spike Surge and Proposal of a Simulation Model Based on an Equivalent Circuit

Katagiri, Kodai; Ogawa, Teiichiro; Yamamoto, Masaaki; Imaoka, Jun; Sasaki, Masami; Noda, Kohei

doi:10.1541/ieejias.142.167

Cited by 3 publications

(3 citation statements)

References 15 publications

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“…Showering arcs are generated individually or continuously and classified as "C" and "D" in Table 1 (14) . Fig.…”

Section: Behavior Of Showering Arc With Spike Surgementioning

confidence: 99%

“…As shown in Fig. 4, the circuit analysis model is comprised of a brush motor-equivalent circuit, induced voltage sources, and a mechanical contacts model (14) . A total of six mechanical contacts models are inserted between the three segments and the positive/ negative brushes.…”

Section: Single Showering Arc Modelmentioning

confidence: 99%

“…The measured single-slot armature coil resistance is 11.8 Ω. Inductance fluctuates from 3.6 to 5.5 mH by the motor rotation angle (14) . Table 1.…”

Section: Introductionmentioning

confidence: 99%

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Conducted EMI Simulation for a DC-DC Converter: a DC Brush Motor System Considering Showering Arc at Mechanical Contacts

et al. 2023

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This paper provides an overview of a circuit analysis model for a DC brush motor, taking into consideration showering arc events. A mechanical contacts model that reproduces showering arc behavior is developed by combining new variable resistors with the steady arc model. As a result, spike surge waveforms can now be simulated via circuit analysis. It is also become clear that spike surges with continuous showering arcs constitute the maximum condition of conducted EMI. The measured and simulated conducted EMI show good agreement within 9 dB up to 108 MHz, in accordance with the CISPR 25 standard. Moreover, it is now possible to quantitatively predict the amount of conducted EMI in a system comprising a step-down DC-DC converter and a DC brush motor, by considering a dominant magnetic coupling and parasitic impedances.

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“…Showering arcs are generated individually or continuously and classified as "C" and "D" in Table 1 (14) . Fig.…”

Section: Behavior Of Showering Arc With Spike Surgementioning

confidence: 99%

Section: Single Showering Arc Modelmentioning

confidence: 99%

See 1 more Smart Citation

Conducted EMI Simulation for a DC-DC Converter: a DC Brush Motor System Considering Showering Arc at Mechanical Contacts

et al. 2023

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Spike Surge and Conducted EMI Simulation of DC Brush Motor Considering Steady Arc at Mechanical Contacts

et al. 2022

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Spike Surge and Conducted EMI Simulation of DC Brush Motor Considering Steady Arc at Mechanical Contacts

et al. 2023

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This study provides a circuit analysis model of a DC brush motor to predict spike surges at mechanical contacts and conducted EMI by considering the behavior of steady arc discharge. The mechanical contacts model comprises multiple variable resistors, constant voltage sources, ideal diodes, and stray capacitances. In the proposed model, spike surges with steady arc could be predicted with 90% accuracy. Moreover, simulated conducted EMI according to CISPR 25 standard is deviated from the measured value at a maximum of 25 dB. Therefore, it is demonstrated that the quantitative prediction of conducted EMI requires consideration of a showering arc model at mechanical contacts.

show abstract

Analysis of DC Brush Motor Spike Surge and Proposal of a Simulation Model Based on an Equivalent Circuit

Cited by 3 publications

References 15 publications

Conducted EMI Simulation for a DC-DC Converter: a DC Brush Motor System Considering Showering Arc at Mechanical Contacts

Conducted EMI Simulation for a DC-DC Converter: a DC Brush Motor System Considering Showering Arc at Mechanical Contacts

Spike Surge and Conducted EMI Simulation of DC Brush Motor Considering Steady Arc at Mechanical Contacts

Spike Surge and Conducted EMI Simulation of DC Brush Motor Considering Steady Arc at Mechanical Contacts

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