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BSI 23/30461079 DC:2023 Edition

BSI 23/30461079 DC:2023 Edition

$13.70

BS EN IEC 60034-12. Rotating electrical machines – Part 12. Starting performance of single-speed three-phase cage induction motors

Published By Publication Date Number of Pages
BSI 2023 22
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PDF Catalog

PDF Pages PDF Title
4 CONTENTS
5 FOREWORD
7 1 Scope
2 Normative references
8 3 Terms and definitions
9 4 Symbols
5 Designation
5.1 General
5.2 Design N
10 5.3 Design NE
5.4 Designs NY and NEY
5.5 Design H
5.6 Design HE
5.7 Designs HY and HEY
6 Design N requirements
6.1 Torque characteristics
6.2 Locked rotor current and apparent power
11 6.3 Starting requirements
7 Design NE starting requirements
8 Designs NY and NEY starting requirements
9 Design H requirements
9.1 Starting torque
9.2 Locked rotor current and apparent power
12 9.3 Starting requirements
10 Design HE starting requirements
11 Designs HY and HEY starting requirements
12 Determination of current and torque from measurement
12.1 Locked-rotor current and locked-rotor torque
12.2 Breakdown torque
13 12.3 Torque-speed curve and current-speed curve
12.3.1 Torque-speed and current-speed curves from direct measurement (method a)
12.3.2 Torque-speed and current-speed curves from acceleration (method b)
14 12.3.3 Torque-speed and current-speed curves from measured input power (method c)
12.4 Correction of data for tests performed at reduced voltage and/or other than rated frequency
19 Annex A Current and torque characteristics with locked rotor (informative)
22 Annex B Correction method for test done on reduced voltage (informative)

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BSI 23/30461079 DC
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