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BS 4999-31:1972

Withdrawn Date published:

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Specification for general requirements for rotating electrical machines, Service and operating conditions

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Covers service conditions, coolant inlet temperature, voltage variation during operation, operation of a.c. motors on unbalanced or non-sinusoidal supply systems and machine neutral earthing arrangements. Appendix on information to be given with enquiry and order.

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  • BS EN 60034-1:2010

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BS 4999-31:1972

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