IEEE C37.34a-1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
TEST CODE FOR HIGH VOLTAGE AIR SWITCHES
Hardcopy , PDF
23-07-2013
English
01-01-1978
1 Test
2 Switches requiring corona tests
3 Tests on assembled equipment
3.1 Nonenclosed switches
3.2 Enclosed switches
4 Test equipment
5 Method of conducting tests
5.1 Nonenclosed group operated and single pole switches
5.2 Proximity of other objects to nonenclosed switches
6 Simultaneity with radio-influence tests
6.1 Frequency and wave shape of test voltage
6.2 Atmospheric conditions
6.3 Electrical connections
7 Precautions
7.1 Switch temperature
7.2 Rated frequency voltage
8 Test procedure
8.1 Test voltage application
8.2 Corona-free voltage requirement
8.3 Criteria for acceptance
Table
1 Recommended ground clearances
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