2. A 15 kW shunt machine having an Armature circuit Resistance of 0.35 and a filed resistance of 1002, generates a terminal voltage of 240 V at full load. Find the Efficiency When I. act as a Generator at full load . II. act as a Generator at half load Ш. аct as a Motor

A shunt generator has a F.L. current of 196 A as 220v The stray losses are 720 watts and the ahunt ield coil resistance is 55 2. It has a Full load efficiency of 88re. Find tho armature resistance. Also find the load current corresponding to mnaximum efficiency.

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1. Solve the total or equivalent resistance: 2. Rea 492 ww 892 owwww 692 192 ww 292 3Q2 502 A 20-kW, 230-V DC series generator has an armature resistance of 0.102 and a series field resistance of 0.070. Assuming that it is delivering rated current at rated speed, find (a) the armature current and (b) the generated voltage 3. A 230V DC shunt machine has an armature resistance of 0.70. If the full load armature current is 25A, find the induced emf when the machine acts as motor