EN 60034-26:2006/AC:2014
Current
The latest, up-to-date edition.
ROTATING ELECTRICAL MACHINES - PART 26: EFFECTS OF UNBALANCED VOLTAGES ON THE PERFORMANCE OF THREE-PHASE CAGE INDUCTION MOTORS
03-09-2014
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Effects of unbalanced voltages on performance
3.1 Currents
3.2 Heating
3.3 Torques
3.4 Full-load speed
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.