AC Rotating Machines
Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.
English Book & Chapters
English Book Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesGTU Previous Year Papers
Papers Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesAC Rotating Machines Syllabus — Unit-wise Content
The official GTU curriculum for AC Rotating Machines (subject code DI04024021) as prescribed for AI & DS · Semester 4 divides the course into 5 units, covering 42 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI04024021)Unit 1 1- Phase Induction Motor
- The Double-Revolving-Field Theory
- Rotor Slip with Respect to Two Rotating Field
- Equivalent circuit: based on: Two-Revolving-Field Theory
- Performance calculations of a single-phase
- Single-winding induction motor
- power flow diagram
- Various test on induction machine: No load test
- locked rotor test
- load test
- measurement of slip
- Types: Split-phase
- Capacitor start
- Capacitor run, Capacitor start–run
Unit 2 3-Phase Induction Motor
- Construction and principle of operation
- Production of rotating magnetic field & slip
- Torque–slip characteristics
- Types: Squirrel cage & Slip-ring motors
- Starting methods: DOL, Star-Delta
- Rotor resistance
- Speed control: Pole changing
- losses & performance testing
- Cogging and crawling phenomenon in induction motors
Unit 3 Synchronous Motors
- operating principle and applications
- Starting methods: by external prime mover
- by damper windings
- V-curves and inverted V-curves test on synchronous machine: OC test
- SC test
- slip test
- Synchronous machine: Losses & efficiency
Unit 4 Special Electrical Machines
- Stepper Motor — construction
- types & applications
- Servo Motor — AC and DC types
- characteristics & uses
- Linear Induction Motor (LIM)-construction
- Universal Motor: construction
- working principle
- Synchronous Reluctance Motor- construction
Unit 5 Maintenance & Troubleshooting of AC Machines
- Protective devices
- insulation class
- cooling methods
- causes and remedies in induction & synchronous motors
- Preventive and predictive maintenance
Study on Android App:
