BS EN 60255-22-7:2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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. Electrical disturbance tests for measuring relays and protection equipment Power frequency immunity tests
Hardcopy , PDF
07-31-2014
English
06-09-2003
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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