Current Zero Phenomena in an Orifice Type Gas Blast Interrupter
- 1 January 1980
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-99 (1) , 268-278
- https://doi.org/10.1109/tpas.1980.319636
Abstract
In an orifice type gas blast interrupter a rather "quiet" arc section of about 10 mm length close to the vena contracta was dominant during thermal recovery, both in air and in SF6. For small dI/dt values, the associated power loss was only 1000 watts for air and 600 watts for SF6, which is close to an estimated laminar loss of 400 watts for air.Keywords
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