A 20-hp, 200-V, shunt wound DC motor has an armature resistance of 0.7 Q and a field resistance of 100 Q. The adjustable resistor, Rsdj can be adjusted from 50 2 to 350 2. Figure 1 shows the motor's circuit diagram, and Figure 2 illustrates its magnetisation curve. R. Rali Re EA Figure 1: Equivalents circuit of a dc motor 300 280 260 Speed = 1500 rpm 240 220 200 180 160 140 120 100 so 60

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden …