Synchronous Motor Field Excitation - For a constant load, the power factor of a synchronous motor can be varied from a leading value to a lagging value by adjusting the DC field excitation (Figure 1). Field excitation..">
Description: Synchronous Motor Field Excitation - For a constant load, the power factor of a synchronous motor can be varied from a leading value to a lagging value by adjusting the DC field excitation (Figure 1). Field excitation..