Paper Abstract and Keywords |
Presentation |
2020-07-03 16:30
Measurement of transient electric field at the occurrence of electrostatic discharge when a charged object approaches a grounded object Hajime Tomita (JNIOSH) EMCJ2020-19 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Electrostatic discharge (ESD) is one of electromagnetic wave noise sources which affect the function of mechatronics equipment. Spark lengths, discharge currents and electric fields at the occurrence of ESD were measured when a charged object approached a grounded object. It was confirmed that spark lengths tended to shorten when approach speeds of the charged object increased. It was also confirmed that peak discharge currents tended to increase and rise times of discharge current tended to shorten when spark lengths shortened. Time change rates of electric field tended to become faster and amplitude spectra of electric field tended to increase when spark lengths shortened. Maximum values of time change rate of electric field at 138 mm away from the point where ESD occured correlated with peak discharge current, maximum values of time change rate of discharge current, and maximum second order differential values of discharge current; quasi electric field was dominant among components of electric field measured in this experiment. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
electrostatic discharge / spark length / discharge current / transient electric field / optical electric-field sensor / / / |
Reference Info. |
IEICE Tech. Rep., vol. 120, no. 84, EMCJ2020-19, pp. 7-12, July 2020. |
Paper # |
EMCJ2020-19 |
Date of Issue |
2020-06-26 (EMCJ) |
ISSN |
Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
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EMCJ2020-19 |
Conference Information |
Committee |
EMCJ EMD WPT |
Conference Date |
2020-07-03 - 2020-07-03 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Online |
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(See Japanese page) |
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Paper Information |
Registration To |
EMCJ |
Conference Code |
2020-07-EMCJ-EMD-WPT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Measurement of transient electric field at the occurrence of electrostatic discharge when a charged object approaches a grounded object |
Sub Title (in English) |
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Keyword(1) |
electrostatic discharge |
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spark length |
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discharge current |
Keyword(4) |
transient electric field |
Keyword(5) |
optical electric-field sensor |
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1st Author's Name |
Hajime Tomita |
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National Institute of Occupational Safety and Health (JNIOSH) |
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Speaker |
Author-1 |
Date Time |
2020-07-03 16:30:00 |
Presentation Time |
25 minutes |
Registration for |
EMCJ |
Paper # |
EMCJ2020-19 |
Volume (vol) |
vol.120 |
Number (no) |
no.84 |
Page |
pp.7-12 |
#Pages |
6 |
Date of Issue |
2020-06-26 (EMCJ) |