IEC 60034-26 : 1.0

Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Effects of unbalanced voltages on performance<br>&nbsp;&nbsp;3.1 Currents<br>&nbsp;&nbsp;3.2 Heating<br>&nbsp;&nbsp;3.3 Torques<br>&nbsp;&nbsp;3.4 Full-load speed<br>4 Derating of motor to prevent overheating<br>Annex A (informative) Determination of the symmetrical <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;components of the line-to-line voltages <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;U[1], U[2], U[3] of a three-phase system<br>Annex B (informative) Approximate determination<br>Figure

Abstract

Specifies the effects of unbalanced voltages on the performance of three-phase cage induction motors.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 2
Supersedes	IEC TS 60034-26 : 2002 COR 1 2002