SN EN 61000-4-28 : 2000
Current
The latest, up-to-date edition.
ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-28: TESTING AND MEASUREMENT TECHNIQUES - VARIATION OF POWER FREQUENCY, IMMUNITY TEST
01-12-2013
INTRODUCTION
1 Scope
2 Normative references
3 General
4 Definitions
5 Test levels
6 Test equipment
6.1 Test generators: characteristics and
performances
6.2 Verification of the characteristics
7 Test set-up
8 Test procedure
8.1 Laboratory reference conditions
8.2 Execution of the test
9 Test results and test report
Annex A (informative) Sources and effects of variation of
the power frequency
Annex B (informative) Electromagnetic environmental classes
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Figure 1 - Frequency variation sequence
Figure 2 - Example of transitional period tp
Figure 3 - Schema of test instrumentation with power
amplifier
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