• 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

$132.00$264.16


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.

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