Electrical Machines Lab
for
B.Tech / B.E /Diploma
&
Electrical And Electronics Engineering
BRAKE TEST ON 3 - F INDUCTION MOTOR
Determination of performance characteristics of 3 - F
induction motor by conducting brake test.
In direct method, the machine is subjected to rated load and
entire output power is wasted. The ratio of output power to input power gives
the efficiency of induction motor.
A belt around the air or water cooled pulley has its ends attached
to spring balances. The belt is lightening hand wheels help in adjusting the
load on the pulley and therefore, on the motor.
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