Presentation 2010-01-22
A study of Earthquake Disaster Prevention Relays for long life
Yoshitada Watanabe, Tomoki Doutou,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In the present study, it becomes clear that Au-plated troubles and these of the surface-roughness are related to making to long life. The surface of the contact spot is damaged, and one of the origin that it causes the breakdown is an arc. Several kinds of inductance was added to the testing circuit of 10mA by using the RC snubber circuit to reduce this arc, and it experimented. As a result, scars thought to be arc in contact spots have been found it is improved by the RC snubber circuit, and the damages of the contact spot is reduced. Moreover, it was confirmed effective even when the value of inductance was changed have effected, and the arc was related to making to long life.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Earthquake disaster prevention relay / Arc / Wear / EPMA
Paper # EMD2009-115
Date of Issue

Conference Information
Committee EMD
Conference Date 2010/1/15(1days)
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Paper Information
Registration To Electromechanical Devices (EMD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A study of Earthquake Disaster Prevention Relays for long life
Sub Title (in English)
Keyword(1) Earthquake disaster prevention relay
Keyword(2) Arc
Keyword(3) Wear
Keyword(4) EPMA
1st Author's Name Yoshitada Watanabe
1st Author's Affiliation Major of Electrical Engineering and Electronics, Graduate school, Kogakuin University()
2nd Author's Name Tomoki Doutou
2nd Author's Affiliation Major of Electrical Engineering and Electronics, Graduate school, Kogakuin University
Date 2010-01-22
Paper # EMD2009-115
Volume (vol) vol.109
Number (no) 385
Page pp.pp.-
#Pages 4
Date of Issue