Industrial Drives

Week 1: Introduction to Electric Drives & DC Motor Fundamentals

• Need for Electric Drives and Block Diagram Representation.

• Introduction to DC Motors: Types (Series, Shunt, Compound).

• DC Motor Principles of Operation.

• Maintenance Procedure overview for DC systems.

Week 2: Special DC Motors & Starting/Braking

• Special DC Motors: Universal, PMDC, Servo, Moving Coil, Torque Motors.

• Starting Methods for DC Motors.

• Braking Methods for DC Motors.

• Application of Brushless DC (BLDC) Motors in Servo Systems.

Week 3: AC Motors - Single-Phase Types

• Introduction to Single-Phase AC Motors.

• Types: Split-phase, Capacitor-start, Capacitor-run, and Shaded Pole Motors.

• Comparison of their characteristics and applications.

• Maintenance Procedure for single-phase motors.

Week 4: AC Motors - Three-Phase Induction Motors

• Three-Phase Induction Motors: Squirrel Cage and Slip Ring types.

• Construction, operation, and performance characteristics.

• Starting and Braking methods for Three-Phase Induction Motors.

• Determining Motor Ratings for different applications.

Week 5: DC Drives - Phase-Controlled (Part 1)

• Introduction to DC Drives.

• Single-phase SCR Drives: Half-wave and Full-wave configurations.

• Semi-converter and Dual Converter operations.

• Maintenance Procedure for phase-controlled drives.

Week 6: DC Drives - Phase-Controlled (Part 2) & Chopper Drives

• Three-phase SCR Drives: Half-wave, Full-wave, Semi, and Dual converter.

• Reversible Drives.

• Speed Control of DC Series Motors.

• Introduction to Chopper-controlled DC Drives.

Week 7: DC Drives - Modern Applications & Mid-Course Review

• Applications of DC Drives in Solar/Battery-Powered Vehicles.

• Case studies and system integration.

Week 8: AC Drives - Induction Motor Control (Part 1)

• Introduction to AC Drives.

• Starting and Braking of Induction Motors using drives.

• Stator Voltage Control method.

• Maintenance Procedure for basic AC drives.

Week 9: AC Drives - Induction Motor Control (Part 2)

• Variable Voltage Variable Frequency (V/f) Control.

• Voltage Source Inverter (VSI) and Current Source Inverter (CSI) based drives.

• Rotor Resistance Control for Slip Ring Induction Motors.

Week 10: AC Drives - Advanced Methods & Industrial Applications

• Slip Power Recovery Schemes (e.g., Kramer, Scherbius drives).

• Application: Solar-Powered Pump Drives.

• Industrial Case Studies: Textile Mills, Steel Rolling Mills, Paper Mills, Sugar Mills.

Week 11: Advanced Techniques - Synchronous and Stepper Motors

• Introduction to Synchronous Motor Drives.

• Stepper Motors: Types, Ratings, and Specifications.

• Stepper Motor Drives with Microcontroller interfacing.

Week 12: Advanced Techniques - Digital Control of Drives

• Microprocessor/Microcontroller-based Motor Control fundamentals.

• PLL Control of DC Motor.

• Microcomputer-based control for AC and DC Drives.