A 180-V, DC motor is connected as a cumulatively-compounded DC motor. Its characteristics are given below: RA=0.10 2 Rs = 0.05 2 RF = 125 2 Radj = 100 2 NF 1000 turns NSE= 10 turns IL, rated = 55 A Nm= 1800 RPM This motor has compensating windings and interpoles. When the motor is rotating at 1680 RPM, 180 V supply, 52 A armature current, the rotational losses are 933 Watt. What torque is induced by this motor? Select one: O a. Induced Torque = 54.5 N.m O b. uced Torque = 50.9 N.m C. Induced Torque = 45.6 N.m. d. None

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d. K = 101.86 and flux = 3.33 mWb / pole
A 180-V, DC motor is connected as a cumulatively-compounded DC motor. Its characteristics are given
below:
RA=0.10 2
Rs=0.05 2
RF= 125 2
Radj = 100 2
%3D
NF= 1000 turns
NSE= 10 turns IL. rated = 55 A
nm= 1800 RPM
This motor has compensating windings and interpoles.
When the motor is rotating at 1680 RPM, 180 V supply, 52 A armature current, the rotational losses are
933 Watt.
What torque is induced by this motor?
Select one:
Oa. Induced Torque = 54.5 N.m
Ob. Induced Torque = 50.9 N.m
Oc. Induced Torque = 45.6 N.m.
Od. None
Is this armature winding a progressive.or a retro-progressive winding?
10
Transcribed Image Text:SThis course d. K = 101.86 and flux = 3.33 mWb / pole A 180-V, DC motor is connected as a cumulatively-compounded DC motor. Its characteristics are given below: RA=0.10 2 Rs=0.05 2 RF= 125 2 Radj = 100 2 %3D NF= 1000 turns NSE= 10 turns IL. rated = 55 A nm= 1800 RPM This motor has compensating windings and interpoles. When the motor is rotating at 1680 RPM, 180 V supply, 52 A armature current, the rotational losses are 933 Watt. What torque is induced by this motor? Select one: Oa. Induced Torque = 54.5 N.m Ob. Induced Torque = 50.9 N.m Oc. Induced Torque = 45.6 N.m. Od. None Is this armature winding a progressive.or a retro-progressive winding? 10
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