access icon free Effect of humidity and temperature on impulse flashover voltage of airgaps

© The Institution of Electrical Engineers
Published 16/07/2012

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Inspec keywords: spark gaps; thermal effects; flashover

Other keywords: air density correction; rod gaps; impulse flashover voltage; controlled atmosphere room; discharges; airgaps; humidity effects; nonuniform gaps; sphere gap; temperature effects

Subjects: Dielectric materials and properties; Gas discharges; Dielectric breakdown and discharges

References

    1. 1)
      • Standring, W.G., Browning, D.H., Hughes, R.C., Roberts, W.J.: `Effect of humidity on flashover of air-gaps and insulators under alternating (50c/s) and impulse (1/50 μs) voltages', Proc. IEE, 1963, 110, (6), p. 1077-1081
    2. 2)
      • Smee, J.F., Edwards, F.S.: `Effect of humidity on the dry flashover voltage of airgaps and insulators', J. IEE, 1959, 5
    3. 3)
      • Sletback, J.: `Review of published data on the humidity dependence of the flashover voltage of air insulation', Elteknik, 1959, 2
    4. 4)
      • , General specification for impulse voltage tests, 1938 (IEC publication 60)
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