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IEEE C37.34e-1979

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

IEEE Standard Test Code for High-Voltage Air Switches (Supplement: Switching-Impulse Testing of Extra-High voltage Switches)

Available format(s)

PDF

Superseded date

23-07-2013

Superseded by

IEEE C37.34-1994

Language(s)

English

Published date

27-03-1991

€49.42
Excluding VAT

2.5 Switching-impulse tests of extra-high-voltage
          switches
2.5.1 Equipment to be tested
2.5.2 Mounting arrangement
2.5.3 Electric conductors
2.5.4 Proximity of other objects
2.5.5 Points of application voltage
2.5.6 Number and magnitude of voltage applications
2.5.7 Wave shape for switching-impulse voltage tests
2.5.8 Determination of 50% (critical) flashover
          voltage
2.5.9 Statistical switching-impulse insulation level
2.5.10 Atmospheric conditions
2.5.10.1 Standard reference atmosphere
2.5.10.2 Relative air density
2.5.10.3 Water-vapor pressure
2.5.10.4 Dry-test correction factors
2.5.10.5 Wet-test correction factors
2.6 Open-gap insulation coordination
2.7 References
2.8 Bibliography
Appendix
A Modified linear regression method for
          evaluation of probability test information
Figures
1 Relative air density (RAD)
2 Humidity voltage correction factor
Appendix Tables
A1 Determination of dispersion and withstand
A2 Table to determine dn
A3 Probability table
Appendix Figures
A1 Sample probability

SUPPLEMENT TO IEEE C37.34

Committee
Switchgear
DocumentType
Standard
Pages
12
PublisherName
Institute of Electrical & Electronics Engineers
Status
Superseded
SupersededBy

IEEE 4-2013 IEEE Standard for High-Voltage Testing Techniques
IEEE 271-1966 IEEE Technical Report on Switching Surge Testing of Extra-High-Voltage Switches

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