Answer Happy

4) Using the OCC and SCC data, determine the unsaturated and saturated synchronous reactances for the generator. Assume that the armature resistance is negligible. 5) Draw the equivalent circuit for the generator using the obtained values of the synchronous reactance.
Open circuit table. Field Current, A 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 L-L Voltage at generator terminal, v 0 53 94 135 166 190 207 220 229 237 L-N voltage at generator terminal, v 0 30.6 54.27 77.94 95.84 109.7 119.5 127.0 132.2 136.8
Table 2 Result of short-circuit test Field current, A 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Armature short-circuit current, A 0 0.2 0.5 0.7 1.0 1.2 1.4 1.7 1.9 2.1