Rotating electrical machines - Specific methods for determining separate losses of large machines from tests. Supplement to IEC 60034-2-1 Ingestion-build-59651 BS EN 3727 on airframe

BS EN 3727 on airframe bearings for aerospace applications is useful for:

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Rotating electrical machines - Specific methods for determining separate losses of large machines from tests. Supplement to IEC 60034-2-1 Ingestion-build-59651 BS EN 3727 on airframe1 Scope This part of IEC 60034 applies to large rotating electrical machines and establishes additional methods of determining separate losses and to define an efficiency supplementing IEC 6003421. These methods apply when full load testing is not practical and result in a greater uncertainty. NOTE In situ testing according to the calorimetric method for full load conditions is recognized. The specific methods described are: Calibrated machine method.