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A permanent magnet DC motor is being considered for use as a drive motor for a vehicle. The motor is known to have the following properties
No load speed @ 100 V = 2000 rpm torque at 20 A = 10 Nm R = 0.5 Ω
a) What is the full load (10 Nm) speed when the machine runs with the rated voltage of 100 V?
b) What terminal voltage V is needed to provide the cruising speed requirement of 2500 rpm with a torque of 10 Nm?
c) What terminal voltage V is needed to provide a braking torque of 10 Nm at zero speed ?
d) If the armature of this machine were short circuited (V = 0), what would be the current and torque if it was driven at 1000 rpm by the moving vehicle.
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The distribution transformer is supplying a load at 240 V and 0.8 power factor lagging. The open-circuit and short-circuit test data are given in Example. (a) Determine the frac
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write a c program for suggler message decoder
if load is removed so which motor will run fast? series or shunt?
1. Establish importance of Distribution Planning with help of suitable example. 2. Explain different distribution planning methods. 3.Explain the six level interv
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