Electrical Machine – II: Your Comprehensive Study Guide
Electrical machines form the core of modern engineering applications, powering industries, transportation, and renewable energy systems. In this guide, we explore the syllabus for Electrical Machine – II, providing in-depth insights, learning outcomes, practical experiments, and key resources to excel in this vital course.
Syllabus Details
1. Induction Machines (16 Hours)
- Rotating magnetic fields and motor types (squirrel cage, slip ring)
- Torque-speed characteristics and equivalent circuits
- Starting, braking, and speed control techniques
- Special topics:
- Cogging, crawling, harmonics, and unbalanced voltage effects
- Double cage induction motor, circle diagrams
2. Single-Phase Induction Motors (8 Hours)
- Double revolving field theory and equivalent circuits
- Split-phase motors, repulsion motors, universal motors, and shaded-pole motors
3. Synchronous Machines (16 Hours)
- Construction, equivalent circuit, and phasor diagrams
- Armature reaction, synchronous impedance, and voltage regulation
- Regulation methods: MMF, ZPF, and synchronous impedance
- Parallel operation and load sharing
4. Synchronous Motors (8 Hours)
- Starting methods and torque types
- V-curves, synchronous condensers, and phase modifiers
- Auto-synchronous motors
5. Special Machines (8 Hours)
- Magnetic levitation and linear induction motors
- Permanent magnet brushless DC motors, stepper motors, and switched reluctance motors
Learning Outcomes
By completing this course, students will:
- Understand the construction, operating principles, and applications of key electrical machines.
- Analyze machine performance through equivalent circuits, phasor diagrams, and circle diagrams.
- Evaluate machine parameters under various operating conditions.
- Explore special-purpose motors, including their benefits and practical use cases.