DIN EN 60255-22-7 : 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRICAL RELAYS - PART 22-7: ELECTRICAL DISTURBANCE TESTS FOR MEASURING RELAYS AND PROTECTION EQUIPMENT - POWER FREQUENCY IMMUNITY TESTS
01-03-2014
12-01-2013
1 Scope and object
2 Normative references
3 Definitions
4 Test severity levels
5 Test equipment
5.1 Test generator
5.2 Verification of the test generator
5.3 Coupling networks
6 Test set-up
6.1 Earthing connections
6.2 Auxiliary equipment
7 Test procedure
8 Criteria for acceptance
9 Test report
Annex A (informative) Background information for power
frequency tests
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Figure 1 - Port tested in this standard for measuring relays
and protection equipment
Figure 2 - Example of Class A differential mode tests
Figure 3 - Example of Class B differential mode tests
Figure 4 - Example of common mode tests
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