Foreword
Introduction
Section 1. General
1.1 Scope
1.2 Normative references
Section 2. Definitions
Section 3. Duty
3.1 Declaration of duty
3.2 Duty types
Section 4. Rating
4.1 Assignment of rating
4.2 Classes of rating
4.3 Selection of a class of rating
4.4 Allocation of outputs to class of rating
4.5 Rated output
4.6 Rated voltage
4.7 Coordination of voltages and outputs
4.8 Machines with more than one rating
Section 5. Site operating conditions
5.1 General
5.2 Altitude
5.3 Maximum ambient air temperature
5.4 Minimum ambient air temperature
5.5 Water coolant temperature
5.6 Storage and transport
5.7 Purity of hydrogen coolant
Section 6. Electrical operating conditions
6.1 Electrical supply
6.2 Form and symmetry of voltages and currents
6.3 Voltage and frequency variations during operation
6.4 Three-phase a.c. machines operating on unearthed
systems
6.5 Voltage (peak and gradient) withstand levels
Section 7. Thermal performance and tests
7.1 Thermal classification
7.2 Reference coolant
7.3 Conditions for thermal tests
7.4 Temperature rise of a part of a machine
7.5 Methods of measurement of temperature
7.6 Determination of winding temperature
7.7 Duration of thermal tests
7.8 Determination of the thermal equivalent time constant
for machines of duty type S9
7.9 Measurement of bearing temperature
7.10 Limits of temperature and of temperature rise
Section 8. Other performance and tests
8.1 Withstand voltage test
8.2 Occasional excess current
8.3 Momentary excess torque for motors
8.4 Pull-up torque
8.5 Safe operating speed of cage induction motors
8.6 Overspeed
8.7 Short-circuit current for synchronous machines
8.8 Short-circuit withstand test for synchronous machines
8.9 Commutation test for commutator machines
8.10 Telephone harmonic factor (THF) for synchronous
machines
Section 9. Rating plates
9.1 General
9.2 Marking
Section 10. Miscellaneous requirements
10.1 Earthing of machines
10.2 Shaft-end key(s)
Section 11. Tolerances
11 Tolerances
Section 12. Electromagnetic compatibility (EMC)
12.1 General
12.2 Immunity
12.3 Emission
12.4 Immunity tests
12.5 Emission tests
Section 13. Safety
13.1 Safety
Annex A (informative) Guidance for the application of duty type S10 and
for establishing the value of relative thermal
life expectancy TL
Annex B (normative) Cross-references between edition 9 (+ amd 1) and
edition 10
Annex ZA (normative) Normative references to international publications
with their corresponding European publications
Annex ZB (informative) Electromagnetic compatibility (EMC) limits