BS 4999-33:1977
Date published:
General requirements for rotating electrical machines, Methods for determining losses and efficiency from tests (excluding machines for traction vehicles)
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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Related Information
29.160.01 Rotating machinery in general
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BS 4999-33:1977
Get this standard
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HardCopy
$395.60 NZD