Q. The magnetization curve of the 6-kW, 120-V, separately excited generator is given in table 1...
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Q. The magnetization curve of the 6-kW, 120-V, separately excited generator is given in table 1 at no 1000 rpm. The machine is run at 1000 rpm. The armature and field winding resistances are 0.25 2 and 25 2 respectively. VF = 75 V. a. Determine the speed at which the generator is to be driven such that the full load voltage is 130 V. (Take Radi =0.) b. Determine the field current required to produce a terminal voltage of 120 V at rated load current, and a speed of 926.6 rev/min. Ir, A 0.5 1.1 1.75 Ea.V 80 90 100 Table1. 2.875 3.0 4.0 110 115 120 5.2 6.5 132 143 Q. The magnetization curve of the 6-kW, 120-V, separately excited generator is given in table 1 at no 1000 rpm. The machine is run at 1000 rpm. The armature and field winding resistances are 0.25 2 and 25 2 respectively. VF = 75 V. a. Determine the speed at which the generator is to be driven such that the full load voltage is 130 V. (Take Radi =0.) b. Determine the field current required to produce a terminal voltage of 120 V at rated load current, and a speed of 926.6 rev/min. Ir, A 0.5 1.1 1.75 Ea.V 80 90 100 Table1. 2.875 3.0 4.0 110 115 120 5.2 6.5 132 143
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