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IEEE C37.34e-1979

$29.25

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

Published By Publication Date Number of Pages
IEEE 1979 12
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Revision Standard – Superseded. IEEE C37.34e-1979, Switching Impulse Testing of Extra-High-Voltage Switches, Supplement to ANSI/IEEE C37.34-1971, IEEE Standard Test Code for High-Voltage Air Switches, updates information on switching surge testing of extra-high-voltage switches to conform with presently accepted standard conditions and switching-impulse wave shape. Additional information on standard deviations is included

PDF Catalog

PDF Pages PDF Title
7 Switching-Impulse Tests of Extra-High-Voltage Switches
Equipment to Be Tested
2.5.2 Mounting Arrangement
2.5.3 Electric Conductors
Proximity of Other Objects
Points of Application of Voltage
Number and Magnitude of Voltage Applications
8 Wave Shape for Switching-Impulse Voltage Tests
Determination of 50% (Critical) Flashover Voltage
Statistical Switching-Impulse Insulation Level
2.5.10 Atmospheric Conditions
Standard Reference Atmosphere
Relative Air Density
2.5.10.3 Water-Vapor Pressure
Dry-Test Correction Factors
9 Wet-Test Correction Factors
Open-Gap Insulation Coordination
Relative Air Density (RAD)
Humidity Voltage Correction Factor
10 2.7 References
2.8 Bibliography
11 Test Information
Determination of Dispersion and Withstand
12 Table to Determine d
Probability Table
Sample Probability
IEEE C37.34e-1979
$29.25