BS 2949:1960

Electric generators, motors, rotary converters, electromagnetic slip couplings rated for 1 hp, 0.75 kW, 0.75 kVA and above, per 1000 rev/min. No upper limit on the power ratings. Ships divided into two groups, and service conditions further subdivided twice; machines for all conditions of service specified. Construction, rating, temperature rise, regulation, parallel operation of generators, momentary overloads, commutation, efficiency, power factor. Tests; marking on rating plates. Temperature measur ement, information with enquiry or order.

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