Arc Extinction at a Fixed Short Gap between Silver Electrodes(<Special Issue>Recent Development of Electro-Mechanical Devices (IS-EMD 2002))
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概要
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Arc duration of silver contacts was measured with fixed short gap under the condition of different constant gaps and different constant currents, which are close to the minimum arc current of the contact material. The results indicated that the arc occurred even at the current less than the minimum arc current. The arc duration varies in different operations at the same testing condition and it distributes exponentially in the time range up to 100 microseconds. The time constant τ and the extinction rate λ of the distribution were calculated, and related to the arc current. It was assured by silver electrode arc that, even below the so-called minimum arc current, arc ignition may occur but, in this case, the arc duration is momentary, and, as the arc current decreases, the arc extinction rate becomes large.
- 一般社団法人電子情報通信学会の論文
- 2003-06-01
著者
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Suhara Keiichi
Department Of Electrical Engineering Tokyo National College Of Technology
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Suhara Keiichi
Department Of Electrical Engineering At Tokyo National College Of Technology
関連論文
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- Arc Extinction at a Fixed Short Gap between Silver Electrodes(Recent Development of Electro-Mechanical Devices (IS-EMD 2002))
- Break Arc Duration at Carbon Contacts in an Inductive Circuit : Discussion on Carbon Arc V-I Characteristics
- Arc extinction and reignition at a fixed short gap (国際セッションIS--EMD 2003) -- (Session 4 Arc discharges and related phenomena)
- Arc extinction and reignition at a fixed short gap