A 3-phase, 115-volt induction motor has the following constants : R, = 0.07 2: R,=0.08 2, X, = 0.4 Q and X, = 0.2 2. All the values are for one phase only. At which slip the gross power output will be maximum and the value of the gross power output ? [11.4% ; 8.6 kW]

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1. A 3-phase, 115-volt induction motor has the following constants : R,
0.4 2 and X
will be maximum and the value of the gross power output ?
0.07 2; R,'= 0.08 (2, X, =
= 0.2 2, All the values are for one phase only. At which slip the gross power output
[11.4% ; 8.6 kW]
Transcribed Image Text:1. A 3-phase, 115-volt induction motor has the following constants : R, 0.4 2 and X will be maximum and the value of the gross power output ? 0.07 2; R,'= 0.08 (2, X, = = 0.2 2, All the values are for one phase only. At which slip the gross power output [11.4% ; 8.6 kW]
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