A 400-volt 1,200-rpm self-excited dc shunt generator has armature resistance Ra=0.16 ohms and field resistance RF=100 ohms. At full-load condition, it supplies a load of 48,400 watts while the input mechanical torque of 425 Nm. For this generator, determine the following:
1. Load current
2. Field current
3. Power developed in the armature
4. mechanical input power
5. overall efficiency of the generator

Question

06-06-2024
Engineering

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A 400-volt 1,200-rpm self-excited dc shunt generator has armature resistance Ra=0.16 ohms and field resistance RF=100 ohms. At full-load condition, it supplies a load of 48,400 watts while the input mechanical torque of 425 Nm. For this generator, determine the following:
1. Load current
2. Field current
3. Power developed in the armature
4. mechanical input power
5. overall efficiency of the generator

Sagot :

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