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Posts by ahmed farahat

 

Testing of d.c.Machines:Brake Test

Posted on June 2, 2015 by ahmed farahat Leave a comment

Brake Test It is a direct method and consists of applying a brake to a water-cooled pulley mounted on the motor shaft as shown in Fig. 31.1. The brake band is fixed with the help of wooden blocks gripping the pulley. One end of the band is fixed to earth via a spring balance S […]
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