What is the range of no-load voltage vt as r adj

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Reference no: EM13247446

The magnetization graph taken at 1800 rpm of a 6 kW, 120 V, 50 A, 1800 rpm, dc generator is attached below. Field resistance is 20 ohms and armature resistance is .18 ohms. Find:

As a seperately excited generator, what is the range of no-load voltage Vt as R adj is adjusted from 0 to 40 ohms and the speed is varied from 1500 to 2000 rpm. Vf=120 V.

As a seperately excited generator Ia=20 A, speed= 1700 rpm, Vt= 106 V. Find If?

As a shunt generator running at 1800 rpm, find the critical field resistance, the no load terminal voltage when R adj=10 ohms and Vt when Ia= 20A and R adj=10 ohms?

Reference no: EM13247446

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