BS 2G 134:1970
Current
The latest, up-to-date edition.
Specification for d.c. generators
Hardcopy , PDF
English
23-10-1970
Foreword
Specification
1. General
1.1 Scope
1.2 Design and construction
1.3 Standard voltage
1.4 Cooling arrangements
1.5 Mounting and drive
1.6 Electrical connection
1.7 Radio interference suppression
1.8 Rating and overload requirements
1.9 Efficiency
1.10 Excitation
1.11 Overspeed
1.12 Environmental conditions
1.13 Declaration of performance
1.14 Nameplate
2. Tests
2.1 General
2.2 Test conditions
2.3 Type tests
2.3.1 Weight, centre of gravity and rotor inertia
2.3.2 Initial check
2.3.3 Cold resistance of windings
2.3.4 Commutation
2.3.5 Magnetization characteristics
2.3.6 Ripple voltage
2.3.7 Brush performance at altitude
2.3.8 Temperature
2.3.9 Temperature (shortened standard test)
2.3.10 Insulation resistance
2.3.11 Overspeed
2.3.12 Containment
2.3.13 Endurance, overload and radio interference
suppression
2.3.14 Vibration
2.3.15 Acceleration
2.3.16 Temperature-pressure
2.3.17 Mould growth
2.3.18 Compass interference
2.3.19 Waterproofness
2.3.20 Salt corrosion
2.3.21 Dust and sand
2.3.22 Fluid contamination
2.4 Production routine tests
2.4.1 Component check
2.4.2 Resistance of windings
2.4.3 Brush bedding and adjustment
2.4.4 Temperature
2.4.5 Overspeed
2.4.6 Loading
2.4.7 Insulation
2.5 Production quality tests
2.5.1 Selection of samples
2.5.2 Testing
Appendices
A. Salt corrosion test
B. Dust and sand test
C. Fluid contamination test
Figure
1. Measuring device for dust and sand test
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