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BS EN 60034-1:1998:2003 Edition

$215.11

Rotating electrical machines – Rating and performance

Published By Publication Date Number of Pages
BSI 2003 78
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Gives ratings and performance for all rotating machines except those covered by other specific standards. Machines within the scope of this standard may also be subjected to superseding, modifying or additional requirements in other publications.

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PDF Pages PDF Title
1 BRITISH STANDARD
2 National foreword
4 Foreword
5 Contents
7 Section 1. General
1.1 Scope
1.2 Normative references
9 Section 2. Definitions
For the purpose of this International Standard, the definitions in IEC 50(411) and the following …
2.1 rated value
2.2 rating
2.3 rated output
2.4 load
2.5 no-load (operation)
2.6 full load
2.7 full load value
2.8 rest and de-energized
2.9 duty
2.10 duty type
10 2.11 cyclic duration factor
2.12 locked-rotor torque
2.13 locked rotor current
2.14 pull-up torque (of an a.c. motor)
2.15 breakdown torque (of an a.c. motor)
2.16 pull-out torque (of a synchronous motor)
2.17 cooling
2.18 coolant
2.19 primary coolant
2.20 secondary coolant
11 2.21 direct cooled (inner cooled) winding
2.22 indirect cooled winding
2.23 supplementary insulation
2.24 moment of inertia
2.25 thermal equilibrium
2.26 thermal equivalent time constant
2.27 encapsulated winding
2.28 rated form factor of direct current supplied to a d.c. motor armature from a static power converter
2.29 current ripple factor
13 Section 3. Duty
3.1 Declaration of duty
3.2 Duty types
3.2.1 Duty type S1 — Continuous running duty
3.2.2 Duty type S2 — Short-time duty
3.2.3 Duty type S3 — Intermittent periodic duty
3.2.4 Duty type S4 — Intermittent periodic duty with starting
14 3.2.5 Duty type S5 — Intermittent periodic duty with electric braking
3.2.6 Duty type S6 — Continuous-operation periodic duty
3.2.7 Duty type S7 — Continuous-operation periodic duty with electric braking
3.2.8 Duty type S8 — Continuous-operation periodic duty with related load/speed changes
3.2.9 Duty type S9 — Duty with non-periodic load and speed variations
3.2.10 Duty type S10 — Duty with discrete constant loads
17 Section 4. Rating
4.1 Assignment of rating
4.2 Classes of rating
4.2.1 Rating for continuous running duty
4.2.2 Rating for short-time duty
4.2.3 Rating for periodic duty
4.2.4 Rating for non-periodic duty
4.2.5 Rating for duty with discrete constant loads
18 4.2.6 Rating for equivalent loading
4.3 Selection of a class of rating
4.4 Allocation of outputs to class of rating
4.5 Rated output
4.5.1 DC generators
4.5.2 AC generators
4.5.3 Motors
4.5.4 Synchronous condensers
19 4.6 Rated voltage
4.6.1 generators
4.6.2 generators
4.7 Coordination of voltages and outputs
4.8 Machines with more than one rating
21 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
23 Section 6. Electrical operating conditions
6.1 Electrical supply
6.2 Form and symmetry of voltages and currents
6.2.1 AC motors
6.2.2 AC generators
24 6.2.3 Synchronous machines
6.2.4 DC motors supplied from static power converters
25 6.3 Voltage and frequency variations during operation
26 Table 2
6.4 Three-phase a.c. machines operating on unearthed systems
6.5 Voltage (peak and gradient) withstand levels
27 Section 7. Thermal performance and tests
7.1 Thermal classification
7.2 Reference coolant
7.3 Conditions for thermal tests
7.3.1 Electrical supply
7.3.2 Temperature of machine before test
7.3.3 Temperature of coolant
28 7.3.4 Measurement of coolant temperature during test
7.4 Temperature rise of a part of a machine
7.5 Methods of measurement of temperature
7.5.1 Resistance method
7.5.2 Embedded temperature detector (ETD) method
7.5.3 Thermometer method
29 7.6 Determination of winding temperature
7.6.1 Choice of method
7.6.2 Determination by resistance method
31 7.6.3 Determination by ETD method
7.6.4 Determination by the thermometer method
7.7 Duration of thermal tests
7.7.1 Rating for continuous running duty
7.7.2 Rating for short-time duty
7.7.3 Rating for periodic duty
7.7.4 Ratings for non-periodic duty and for duty with discrete constant loads
32 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
7.10.1 Indirect cooled windings
36 Table 9 Assumed maximum ambient temperature
7.10.2 Direct cooled windings
7.10.3 Adjustments to take account of hydrogen purity on test
7.10.4 Permanently short-circuited windings, magnetic cores and all structural components (other than be…
7.10.5 Commutators and sliprings, open or enclosed and their brushes and brushgear
38 Table 11 Limits of temperature of directly cooled machines and their coolants
39 Table 12 Adjustments to limits of temperature at the operating site for windings directly cooled by air or…
Table 13 Adjusted limits of temperature at the test site /
41 Section 8 Other performance and tests
8.1 Withstand voltage test
8.1.2 For testing the insulation of bars and coils of high voltage machines, see EN�50209 and EN�60034�…
42 Table 14 Withstand voltage tests$
43 #Withstand voltage tests
8.2 Occasional excess current
8.2.1 General
8.2.2 Generators
8.2.3 AC motors (except commutator motors)
44 8.2.4 Commutator machines
8.3 Momentary excess torque for motors
8.3.1 Polyphase induction motors and d.c. motors
8.3.2 Induction motors for specific applications
8.3.3 Polyphase synchronous motors
8.3.4 Other motors
45 8.4 Pull-up torque
8.5 Safe operating speed of cage induction motors
8.6 Overspeed$
46 8.7 Short-circuit current for synchronous machines
8.8 Short-circuit withstand test for synchronous machines
47 8.9 Commutation test for commutator machines
8.10 Telephone harmonic factor (THF) for synchronous machines
8.10.1 General
8.10.2 Limits
8.10.3 Tests
49 Section 9. Rating plates
9.1 General
9.2 Marking
51 Section 10. Miscellaneous requirements
10.1 Earthing of machines
52 Table 18 Cross-sectional areas of earth conductors
10.2 Shaft-end key(s)
53 Section 11. Tolerances
11 Tolerances
Table 19 Schedule of tolerances on values of quantities
55 Section 12. Electromagnetic compatibility (EMC)
12.1 General
12.2 Immunity
12.2.1 Machines not incorporating electronic circuits
12.2.2 Machines incorporating electronic circuits
12.3 Emission
12.3.1 Machines without brushes
12.3.2 Machines with brushes
12.4 Immunity tests
12.5 Emission tests
12.5.1 Machines without brushes
12.5.2 Machines with brushes
57 Section 13. Safety
13.1 Safety
Figure 1 Continuous running duty — Duty type S1
58 Figure 2 Short-time duty — Duty type S2
59 Figure 3 Intermittent periodic duty — Duty type S3
60 Figure 4 Intermittent periodic duty with starting — Duty type S4
61 Figure 5 Intermittent periodic duty with electric braking — Duty type S5
62 Figure 6 Continuous operation periodic duty — Duty type S6
63 Figure 7 Continuous operation periodic duty with electric braking — Duty type S7
64 Figure 8 Continuous operation periodic duty with related load/speed changes — Duty type S8
65 Figure 9 Duty with non-periodic load and speed variations — Duty type S9
66 Figure 10 Duty with discrete constant loads — Duty type S10
67 Figure 11 Voltage and frequency limits for generators
Figure 12 Voltage and frequency limits for motors
68 Figure 13 Weighting curve for computing THF
69 Annex A (informative) Guidance for the application of duty type S10 and for establishing the value of rel…
A.1 The load of the machine at any moment is equivalent to duty type S1 corresponding to
A.2 Depending on the value and duration of the different loads within one cycle, the relative life ex…
A.3 The quantity TL is an integral part of the unambiguous identification of the class of rating.
A.4 The value of the quantity TL can be determined only when, in addition to information concerning t…
A.5 TL can be stated sensibly as a relative value only. This value can be used by approximation to as…
A.6 The manufacturer of the machine is responsible for the correct compilation of the various paramet…
70 Annex B (informative) Cross-references between edition 9 (+ amd 1) and edition 10
edition 9 (+ amd 1) and edition 10
75 Annex ZA (normative) Normative references to international publications with their corresponding European …
77 Annex ZB (informative) Electromagnetic compatibility (EMC) limits
BS EN 60034-1:1998
$215.11