The effects of SF6- N2mixture upon the recovery voltage capability of a synchronous interrupter

The experimental results showing the relation between rate of rise of recovery voltage (RRRV) and percentage of N 2 - SF 6 mixture, by pressure, are reported. A description of the test vehicle and the test procedure is also included. For a constant di/dt the optimum interrupter performance, judged i...

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Bibliographic Details
Published in:IEEE transactions on power apparatus and systems 1976-01, Vol.95 (1), p.140-144
Main Author: Garzon, R.D.
Format: Article
Language:eng ; jpn
Subjects:
Acceleration
Circuit breakers
Circuit testing
Dielectric breakdown
Gas insulation
Interrupters
Springs
Sulfur hexafluoride
Vehicles
Voltage
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Summary:The experimental results showing the relation between rate of rise of recovery voltage (RRRV) and percentage of N 2 - SF 6 mixture, by pressure, are reported. A description of the test vehicle and the test procedure is also included. For a constant di/dt the optimum interrupter performance, judged in terms of its voltage recovery capability, is observed to occur when the SF 6 mixed with N 2 is in the range of 40 to 50 percent. In the limited range of pressures tested, the voltage recovery capability showed to be proportional to the upstream pressure raised to the 1.5 power.
ISSN:0018-9510
2995-6323
DOI:10.1109/T-PAS.1976.32086