INTRODUCTION
1 Scope
2 Normative references
3 Effects of unbalanced voltages on performance
4 Derating of motor to prevent overheating
Annex A (informative) - Determination of the symmetrical
components of the line-to-line voltages U[1], U[2],
U[3] of a three-phase system
Annex B (informative) - Approximate determination
Annex ZA (normative) - Normative references to international
publications with their corresponding European publications