 | Electrical Machines - Basic Vocational Knowledge |
 |  | 3. Execution of rotating electrical machines |
| | 3.5. Mode of operation |
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3.5.2. Operational mode designation
Following abbreviations have been stipulated:
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S1 |
permanent operation |
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S2 |
short-term operation |
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S3 |
intermittent operation with starting or braking influences |
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S4 |
intermittent operation with starting influence on temperature |
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S5 |
intermittent operation with starting and electric braking influence on the temperature |
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S6 |
continuous operation with intermittent loading |
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S7 |
uninterrupted operation with starting and electric braking |
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S8 |
uninterrupted operation at differing speeds |
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