Speed Control Using Slip Energy Recovery Schemes: The foregoing discussion makes it very clear that the methods of voltage control and rotor resistance control have poor efficiency, particularly at low…
3 Phase Induction Motor Construction: A converter fed 3 Phase Induction Motor Construction has the following advantages over a line fed motor: 1.Smooth start up is guaranteed by variable frequency…
Control of DC Electric Motor: A separately excited DC Electric Motor is very versatile as a variable speed motor. Its speed can be varied by varying the applied voltage to…
Voltage Control Techniques for Inverters: It has already been mentioned that Inverter Control providing a variable frequency supply to three phase motors should be capable of providing a variable voltage.…
Current Source Inverter for Feeding Three Phase Motors: In these type of Current Source Inverter, the controlled quantity is the current in the dc link. The current from the dc…
Charging a Capacitor in Inverter: Charging a Capacitor in Inverter - Inverters are static power converters for converting dc to ac. By controlling the conducting periods of the thyristors it…
Electrical Drives Articles: Advantage and Disadvantage of Stepper Motors Application of Variable Speed Drives Armature Voltage Control using Transformer Battery Powered Vehicles Braking of Induction Motor Drive Braking of Single…
Types of Electrical Drives: Types of Electrical Drives has the following major parts: load, motor, power modulator, control unit and source. There are large number of loads and each load…