Rotating electrical machines - Part 34: AC adjustable speed rolling mill motors

IEC TS 60034-34:2020 is applicable to AC adjustable speed rolling mill motors and identifies specific requirements for AC adjustable speed rolling mill motors, where those performance characteristics are different from those for conventional AC motors.
Various types of overload capacity conditions and overloads are defined. The possible effect on motor insulation life due to operating the motor beyond its design capability is discussed.
Requirements for confirmation of motor under specified variable speed operational conditions are introduced.

General Information

Status
Published
Publication Date
18-Nov-2020
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
11-Dec-2020
Completion Date
19-Nov-2020
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IEC TS 60034-34:2020 - Rotating electrical machines - Part 34: AC adjustable speed rolling mill motors
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IEC TS 60034-34
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Edition 1.0 2020-11
TECHNICAL
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Rotating electrical machines –
Part 34: AC adjustable speed rolling mill motors

IEC TS 60034-34:2020-11(en)

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IEC TS 60034-34

®


Edition 1.0 2020-11




TECHNICAL



SPECIFICATION








colour

inside










Rotating electrical machines –

Part 34: AC adjustable speed rolling mill motors


























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ICS 29.160.01 ISBN 978-2-8322-9046-0




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– 2 – IEC TS 60034-34:2020 © IEC 2020
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 9
3.1 Terms and definitions . 9
3.2 Terms and definitions for adjustable speed control and rolling operation . 13
3.3 Terms and definitions for adjustable speed drive system . 14
3.4 Terms and definitions for monitoring and protection sequence . 15
3.5 Terms and definitions for motor installation and site trial operation . 15
3.6 Terms and definitions for test . 16
4 Terminal voltage determination . 17
5 Duty type and temperature class . 19
5.1 General .
...

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