Sequence Impedances and Networks of Synchronous Machine: Sequence Impedances and Networks of Synchronous Machine - Figure 10.11 depicts an unloaded synchronous machine (generator or motor) grounded through a reactor (impedance…
Short Circuit Current of Loaded Synchronous Machine: In the previous article on the Short Circuit of a Synchronous Machine, it was assumed that the machine was operating at no load…
Short Circuit of a Synchronous Machine on No Load: Short Circuit of a Synchronous Machine on No Load - Under steady state short circuit conditions, the armature reaction of a…
Induction Motor Speed Control Methods: The only way to control the speed of a synchronous motor is to control the input frequency and voltage such as to keep V/f constant.…
Motor Control by Static Power Converters: Motor Control by Static Power Converters - Power electronics is a multidisciplinary technology that encompasses power semiconductor devices, converter circuits, electric machines, signal electronics,…
Four Phase Stepper Motor: Four Phase Stepper Motor - The stepper motor is a special type of synchronous motor which is designed to rotate through a specific angle (called a…
Two phase AC Servo Motor: For a low-power (a few hundred watts) control application, a balanced Two phase AC Servo Motor is ideally suited as it can be driven by…
Shaded Pole Motor Working Principle: Figure 10.17 shows a typical Shaded Pole Motor with a squirrel-cage rotor. A small portion of each pole is covered with a short-circuited, single-turn copper…