SN EN 61000-4-28 : 2000

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