SN EN 61000-4-27 : 2000

Introduction
1 Scope and object
2 Normative references
3 Definitions
4 General
5 Test levels
6 Test equipment
   6.1 Test generators
   6.2 Verification of the characteristics of the
       test generators
7 Test set-up
8 Test procedures
   8.1 Laboratory reference conditions
   8.2 Execution of the test
9 Evaluation of test results
10 Test report
Annex A (informative) Sources, effects and measurement
        of unbalance
Annex B (informative) Calculation of the degree of
        unbalance
Annex C (informative) Information on test levels
Annex D (informative) Electromagnetic environment classes
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography
Figures 1 - A.2
Table 1 to 2

Considers immunity tests for electric and/or electronic equipment in its electromagnetic environment and establish a reference for evaluating the immunity of electrical and electronic equipment when subjected to unbalanced power supply voltage. It applies to 50 Hz/60 Hz three-phase powered electronic equipments with rated line current up to 16 A phase.