Closed Loop Speed Control of Induction Motor Drives: A Closed Loop Speed Control of Induction Motor Drives is shown in Fig. 6.43. It employs inner slip-speed loop with a slip…
Variable Frequency Control of Induction Motor Drive: Variable Frequency Control of Induction Motor Drive - Synchronous speed, therefore, the motor speed can be controlled by varying supply frequency. Voltage induced…
Harmonic Equivalent Circuit of Induction Motor: When fed from an inverter or cycloconverter, the motor terminal voltage is non-sinusoidal but it has half-wave symmetry. A non-sinusoidal waveform can be resolved…
Four Quadrant Drive With Field Reversal: Four Quadrant Drive With Field Reversal as shown in Fig. 5.36, armature is fed from a fully-controlled rectifier and the field from a dual…
Dual Converter Control of DC Separately Excited Motor: A Dual Converter Control of DC Separately Excited Motor (Fig. 5.35) consists of two fully-controlled rectifiers connected in anti-parallel across the armature.…
DC Motor Reversing Switch Diagram: DC Motor Reversing Switch Diagram is shown in Fig. 5.34(a). A fully-controlled rectifier feeds the motor through a reversing switch RS which is used to…
Single Phase Fully Controlled Rectifier Control of DC Motor: The Single Phase Fully Controlled Rectifier Control of DC Motor is shown in Fig. 5.26(a). Motor is shown by its equivalent…
Types of DC Motor: The commonly used Types of DC Motor are shown in Fig. 5.1. In a separately excited motor, the field and armature voltages can be controlled independent…