BS EN 60034-23. Rotating electrical machines. Part 23. Repair, overhaul & reclamation Rotating electric machines, Electric machines, Electrical equipment, Ratings, Performance, Environment (working), Selection, Rated voltage, Testing conditions, Temperature-rise limit, Temperature rise, Thermal testing, Classification systems, Windings, Dielectric-strength tests, Dielectric properties, Torque, Mathematical calculations, Type testing, Short-circuit currents, Marking, Earthing, Electrical tolerances, Electromagnetic fields, Equipment safety, Electric distortion, Life (durability), Electromagnetic compatibility