SN EN 60255-22-7 : 2003
Current
The latest, up-to-date edition.
ELECTRICAL RELAYS - PART 22-7: ELECTRICAL DISTURBANCE TESTS FOR MEASURING RELAYS AND PROTECTION EQUIPMENT - POWER FREQUENCY IMMUNITY TESTS
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
Specifies the general requirements for power frequency immunity tests for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with those systems.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Current
|
| Standards | Relationship |
| EN 60255-22-7:2003 | Identical |
| DIN EN 60255-22-7 : 2004 | Identical |
| UNE-EN 60255-22-7:2004 | Identical |
| I.S. EN 60255-22-7:2005 | Identical |
| IEC 60255-22-7:2003 | Identical |
| BS EN 60255-22-7:2003 | Identical |
| NF EN 60255-22-7 : 2003 | Identical |
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