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GB/T 1029-2005 English PDF (GBT1029-2005)

GB/T 1029-2005 English PDF (GBT1029-2005)

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GB/T 1029-2005: Test procedures for three-phase synchronous machines
GB/T 1029-2005
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.160.01
K 21
Replacing GB/T 1029-1993
Test Procedures for Three-Phase Synchronous
Machines
ISSUED ON: AUGUST 26, 2005
IMPLEMENTED ON: APRIL 01, 2006
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 6
1 Scope ... 8
2 Normative References ... 8
3 Preparation for Test ... 9
4 General Test Items ... 10
4.1 Determination of insulation resistance ... 10
4.2 Determination of DC resistance of winding in actual cold state ... 11
4.3 Determination of shaft voltage ... 14
4.4 Determination of no-load characteristics ... 15
4.5 Determination of steady-state short-circuit characteristics ... 17
4.6 Exciter test ... 18
4.7 Overspeed test ... 18
4.8 Inter-turn short-circuit test of non-salient-pole generator rotor ... 18
4.9 Determination of vibration ... 18
4.10 Inspection of sealing state and determination of hydrogen leakage ... 19
4.11 Inter-turn impulse withstand voltage test ... 19
4.12 Short-time voltage rising test ... 19
4.13 Power frequency withstand voltage test ... 19
4.14 DC leakage current test and DC withstand voltage test for armature winding
insulation ... 22
4.15 Determination of sinusoidal distortion rate of voltage waveform ... 24
4.16 Determination of noise ... 25
4.17 Determination of telephone harmonic factor ... 25
5 Efficiency Measurement ... 26
5.1 Direct determination of efficiency ... 26
5.2 Indirect determination of efficiency ... 29
5.3 Calorimetric method ... 31
5.4 Determination of various losses corresponding to rated load ... 31
5.5 Self-deceleration test ... 36
5.6 Determination of efficiency at other loads ... 38
6 Temperature Rise Test ... 38
6.1 Temperature measurement method ... 38
6.2 Determination of cooling medium temperature during temperature rise test 39
6.3 Determination of the temperature of each part of the motor during the
temperature rise test ... 40
6.4 Correction of the measured temperature of each part of the motor after being
disconnected from the power supply ... 41
6.5 Short-circuit insulation braking method ... 41
6.6 Test method of temperature rise ... 42
7 Determination of Voltage Adjustment Performance at Self-Excited Constant
Voltage ... 47
7.1 Determination of steady-state voltage regulation ... 48
7.2 Determination of the degree of voltage deviation when the generator operates
under an asymmetric load ... 49
7.3 Determination of change rate of transient voltage ... 49
8 Determination of Torque and Moment of Inertia ... 50
8.1 Determination of locked-rotor current and locked-rotor torque ... 50
8.2 Determination of nominal pull-in torque ... 53
8.3 Determination of pull-out torque of synchronous motor ... 55
8.4 Short-time over-torque test of motor ... 57
8.5 Determination of moment of inertia ... 57
9 Overcurrent and Mechanical Strength Test ... 58
9.1 Accidental overcurrent test ... 58
9.2 Overload test ... 58
9.3 Short-circuit mechanical strength test ... 58
10 Negative Sequence Current Withstand Capability Test ... 59
11 Determination of Dynamic Characteristics of Stator Winding Ends ... 59
12 Determination of Parameters (this Clause Equivalently Adopt IEC 60034-4)
... 59
12.1 Description ... 59
12.2 Determine parameters by no-load saturated characteristics and three-phase
steady-state short-circuit characteristics ... 61
12.3 Zero-power factor overexcitation test ... 62
12.4 Determination of excitation current at rated voltage and rated armature
current during zero power factor overexcitation ... 62
12.5 Use the no-load characteristic, three-phase steady-state short-circuit
characteristic and excitation current corresponding to the rated voltage and rated
armature current at zero power factor (overexcitation) to determine the Potier
reactance ... 63
12.6 Use Potier diagram to determine the rated excitation current ... 64
12.7 Use the ASA diagram to determine the rated excitation current ... 66
12.8 Use the Swedish diagram to determine the rated excitation current ... 67
12.9 Reverse excitation test ... 68
12.10 Determine Xq by reverse excitation test ... 68
12.11 Low slip-ratio test ... 69
12.12 Determine Xq by low slip-ratio test ... 70
12.13 Determination of power angle δ by load test ... 70
12.14 Determine Xq as per the method measuring the power angle by the load test
... 71
12.15 Three-phase sudden short-circuit test ... 71
12.16 Parameters determined by three-phase sudden short-circuit test ... 75
12.17 Voltage recovery test ... 76
12.18 Determine parameters by voltage recovery test ... 77
12.19 Externally-applied voltage test when the rotor is located in the positions of
direct-axis and quadrature-axis against the magnetic field of the armature winding
... 78
12.20 Determine the parameters by the externally-applied voltage test when the
rotor is located in the positions of direct-axis and quadrature-axis against the
magnetic field of the armature winding ... 78
12.21 Externally-applied voltage test when the rotor is in any position ... 79
12.22 Determine the parameters by the externally-applied voltage test when the
rotor is at any position ... 79
12.23 Two-phase steady-state short-circuit test ... 80
12.24 Determine the parameters by two-phase steady-state short-circuit test .. 81
12.25 Reversed phase sequence test ... 82
12.26 Determine the parameters by reversed phase sequence test ... 82
12.27 Test of single-phase voltage externally-applied to three-phase winding .. 83
12.28 Determine the parameters by the test of single-phase voltage externally-
applied to three-phase winding ... 83
12.29 Steady-state short-circuit test of two-phase to neutral-point ... 84
12.30 Determine the parameters by steady-state short-circuit test of two-phase to
neutral-point ... 84
12.31 Excitation current decay test when the armature winding is open-circuited
... 85
12.32 Determine T’do by the excitation current decay test when the armature
winding is open-circuited ... 85
12.33 Excitation current decay test when the armature winding is short-circuited
... 85
12.34 Determining T’d by the excitation current decay test when the armature
winding is short-circuited ... 86
12.35 Torsion test of suspended rotor ... 86
12.36 Determine Tj and H by the torsion test of the suspended rotor ... 86
12.37 Swing test of auxiliary pendulum ... 87
12.38 Determine Tj and H with the swing test of auxiliary pendulum ... 88
12.39 No-load self-deceleration test ... 88
12.40 Determine Tj and H with no-load self-deceleration test ... 88
12.41 On-load self-deceleration test of mechanically connected units, while
synchronous motor run as electric motor ... 89
12.42 Determine Tj and H by the on-load self-deceleration test when the
synchronous motor runs as an electric motor ... 89
12.43 Load-dump acceleration test when the motor runs as a generator ... 90
12.44 Determine Tj and H by the load-dump acceleration test when the motor runs
as a generator ... 90
12.45 Rated voltage regulation ΔUN ... 90
12.46 Determine parameters by known test parameters through calculation ... 91
Appendix A (Normative) Obtain Value Δθ at the Excitation Winding Temperature
Rise by No-Load Short-Circuit Method ... 94
Appendix B (Informative) Symbols and Units of Physical Quantities ... 96

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