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BS EN IEC 60034-23:2019 Rotating electrical machines - Repair, overhaul and reclamation, 2019
- undefined
- Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
- English [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General principles [Go to Page]
- 4.1 Use of referenced documents
- 4.2 Hazardous areas
- 4.3 Special applications
- 4.4 Efficiency
- 4.5 System efficiencies
- 4.6 Environment and End of life recycling
- 4.7 Circular economy
- 5 General requirements for repair [Go to Page]
- 5.1 General
- 5.2 Service facility
- 5.3 Scope of work
- Figure 1 – Electrical machine components [Go to Page]
- 5.4 Standards
- 5.5 Quality program
- 5.6 User supplied information [Go to Page]
- 5.6.1 User transfer document
- 5.6.2 Operating environment
- 5.6.3 Converter/inverter operation
- 5.6.4 Health and safety
- 5.7 Documentation [Go to Page]
- 5.7.1 Records
- 5.7.2 Labels and rating plates
- 6 Assembled machine: inspection, tests and evaluation [Go to Page]
- 6.1 Visual inspection
- 6.2 Tests before dismantling [Go to Page]
- 6.2.1 Safety
- 6.2.2 Application
- 6.3 Stator winding or rotor winding tests [Go to Page]
- 6.3.1 Winding resistance test
- 6.3.2 Phase balance test
- 6.3.3 Insulation resistance test
- 6.3.4 Polarization index test
- Tables [Go to Page]
- Table 1 – Recommended minimum insulation resistance valuesat a base temperature of 40 °C reference IEC 60034-27-4 [Go to Page]
- 6.3.5 No load test
- 6.4 Shaft and bearings [Go to Page]
- 6.4.2 Bearing checks
- 6.4.3 Bearing insulation resistance
- Table 2 – Guide to application of DC voltages forthe insulation resistance and PI test
- 6.5 Rotor cage integrity [Go to Page]
- 6.5.1 General
- 6.5.2 Current signature analysis (harmonic analysis)
- 6.5.3 Single-phase test method
- 6.5.4 Pole drop test – Salient pole rotor (motor or generator)
- 7 Dismantled machine: inspection, tests, and evaluation [Go to Page]
- 7.1 General
- 7.2 Cleaning
- 7.3 Visual inspection
- 7.4 Air gap
- 7.5 Ventilation
- 7.6 Stator
- 7.7 Rotor [Go to Page]
- 7.7.1 General
- 7.7.2 Rotor removal: vertical machines
- 7.7.3 Cage rotor
- 7.7.4 Cylindrical wound rotor windings
- 7.7.5 Permanent magnet (PM) machines: rotor removal
- 7.7.6 Salient pole rotor
- 7.7.7 Cylindrical solid rotors
- 7.8 Slip rings
- 7.9 Brushes and brush-holders
- 7.10 Rolling element bearings
- 7.11 Sleeve bearings
- 7.12 Seals and labyrinth seals
- 8 Repair work [Go to Page]
- 8.1 Winding inspection
- 8.2 Core inspection
- 8.3 Rewinding [Go to Page]
- 8.3.1 General
- 8.3.2 Random wound coils
- 8.3.3 Form-wound coils
- 8.3.4 Rewound stator tests
- 8.3.5 Winding resistance test
- 8.3.6 Surge comparison (or phase balance) test
- 8.3.7 Withstand voltage test
- Table 3 – Withstand voltage tests as per IEC 60034-1 [Go to Page]
- 8.3.8 Thermal protection
- 8.3.9 Conductors and connections
- 8.3.10 Insulation system
- 8.3.11 Impregnation
- 8.3.12 Wound rotor banding
- 8.4 Components [Go to Page]
- 8.4.1 General
- 8.4.2 Housing and end brackets
- 8.4.3 Fans and fan cowls
- 8.5 Rotor [Go to Page]
- 8.5.1 General
- 8.5.2 Air gap
- 8.5.3 Cage rotor
- 8.5.4 Salient pole rotor
- 8.5.5 Slip-rings
- 8.5.6 Capacitors
- 8.5.7 Switches and starting components
- 8.5.8 Excitation components
- 8.6 Shafts
- 8.7 Bearings
- 8.8 Lubrication [Go to Page]
- 8.8.1 Grease
- 8.8.2 Oil
- 8.9 Space heaters
- 8.10 Temperature sensors
- 8.11 Ingress and corrosion protection
- 8.12 Terminal boxes and connections
- 9 Final tests [Go to Page]
- 9.1 Test equipment
- 9.2 Insulation resistance
- 9.3 Winding resistance
- 9.4 No load test
- Table 4 – Minimum schedule of routine tests as per IEC 60034-1
- 9.5 Magnetic centre marking (by agreement)
- 9.6 Locked rotor test (where applicable)
- 9.7 Full load run for motors
- 9.8 Zero power factor full current heat run (by agreement)
- 9.9 Electromagnetic compatibility (by agreement)
- 9.10 Auxiliaries
- 9.11 Salient pole DC or AC drop test
- 10 Additional requirements for DC machines [Go to Page]
- 10.1 General
- 10.2 Assembled DC machine: inspection, tests and evaluation [Go to Page]
- 10.2.1 General
- 10.2.2 No load test, or light load run
- 10.2.3 Bar to bar test
- 10.2.4 Surge test
- 10.3 Dismantled condition: inspection, tests and evaluation [Go to Page]
- 10.3.1 Field winding
- 10.3.2 Inter-pole and compensation winding
- 10.3.3 Armature winding
- 10.3.4 Commutator
- 10.4 Repair work [Go to Page]
- 10.4.1 Commutator dimensions
- 10.4.2 Brush-holders
- 10.4.3 Brushes
- 10.4.4 Brush neutral
- Table 5 – Brush to brush holder clearance (Extract from Table 1 of IEC 60136:1986) [Go to Page]
- 10.4.5 Field, inter-pole, and compensation windings
- 10.4.6 Air gap
- 10.4.7 Rotor run-outs
- 10.4.8 Rotor balance
- 10.5 DC machines final tests [Go to Page]
- 10.5.1 Brush holders
- 10.5.2 No load test or light load test
- 11 Additional requirements for high voltage AC machines (by agreement) [Go to Page]
- 11.1 Assembled HV machine, inspection and tests [Go to Page]
- 11.1.1 General
- 11.1.2 The tan-delta (tip-up test in North America)
- 11.1.3 Partial discharge test
- 11.2 Dismantled HV machine , inspection and tests [Go to Page]
- 11.2.1 Dielectric dissipation factor test
- 11.2.2 Dielectric dissipation factor tests of stator winding coils and bars
- 11.2.3 Stator slot wedge deterioration
- 11.2.4 Stator winding slot and overhangs discharge suppression
- 11.3 High voltage machines: final tests [Go to Page]
- 11.3.1 High voltage withstand test: for HV machines
- 11.3.2 Withstand voltage tests, for overhauls and partial rewinds (by agreement)
- 11.3.3 Over-speed test (by agreement)
- 11.3.4 Short circuit run (by agreement)
- 11.3.5 Remnant voltage (by agreement)
- 11.3.6 Cooling circuit leakage tests (by agreement)
- 12 Additional tests for high voltage generators [Go to Page]
- 12.1 Stator winding crevice corrosion
- 12.2 Solid cylindrical rotor
- 12.3 Cooling circuits (hydrogen/water)
- 13 Customer reports and handover [Go to Page]
- 13.1 Exterior finish
- 13.2 Transport and packaging
- 13.3 Report to the user
- Annex A (informative)Flow chart for repair, overhaul and reclamation
- Annex B (informative)Standard extracts and tolerance tables [Go to Page]
- Table B.1 – Shaft extensions and couplings reference IEC 60072-1
- Table B.2 – Dimensions for the width of keyway to take keys to a tap fit(IEC 60072-1:1991, C.1.5)
- Table B.3 – Table of tolerances for shaft extension run-out
- Table B.4 – Table for mounting spigot diameter tolerances(IEC 60072-1:1991, C.1.7)
- Table B.5 – Table for concentricity of spigot diameter and perpendicularityof mounting face to shaft extension (IEC 60072-1:1991, C.7.1)
- Bibliography [Go to Page]
