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  • BS 4999-33:1977

BS 4999-33:1977

General requirements for rotating electrical machines-Methods for determining losses and efficiency from tests (excluding machines for traction vehicles)

BSI Group, 03/31/1977

Publisher: BS

File Format: PDF

$125.00$251.46


Published:31/03/1977

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies losses to be included when calculating efficiency for different types of machine. Details calibrated machine test, zero power factor test, retardation method, electrical back-to-back test and calorimetric test.

All current amendments available at time of purchase are included with the purchase of this document.

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