Electrical Machine
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
Electrical Machine Syllabus — Unit-wise Content
The official GTU curriculum for Electrical Machine (subject code 1336401) as prescribed for RE · Semester 3 divides the course into 4 units, covering 28 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 (1336401)Unit 1 Single Phase Transformer
- 1.1. Construction of single phase transformer – core type and shell type
- 1.2. Working principle of single phase transformer
- 1.3. EMF equation, transformation ratio and equivalent circuit.
- 1.4. Losses, efficiency and voltage regulation
- 1.5. Numerical pertaining to single phase transformer
- 1.6. Direct loading and Open circuit- Short circuit test
- 1.7. Parallel operation of single phase transformer
Unit 2 Synchronous Generator
- 2.1. Construction of synchronous generator
- 2.2. Working principle of synchronous generator
- 2.3. Methods of excitation
- 2.4. EMF equation of alternator
- 2.5. Terminal voltage at different power Electrical Machines Course Code: 1336401 alternator with given winding factor and necessary data.
- 2.6. Voltage regulation and load angle, direct loading test to determine voltage regulation
- 2.7. Numerical practice
- 2.8. Synchronization of alternator with infinite bus / another alternator, parallel operation
Unit 3 Three phase Induction Motor
- 3.1. Types, Construction and application of 3 phase induction motors
- 3.2. Working principle of 3 phase induction motor
- 3.3. Concept of synchronous speed, per unit slip, percentage slip, slip speed and numerical
- 3.4. Induction motor losses and efficiency, direct loading test, no load and blocked rotor test
- 3.5. Torque equations (Starting and Running torque)
- 3.6. Torque – Slip – Speed Characteristics
- 3.7. Need and types of starters
- 3.8. Speed control methods of induction motor
Unit 4 Induction Generator
- 4.1. Types and construction of induction generator
- 4.2. Working principle of induction generator
- 4.3. Types of excitation methods (active power off grid IG, capacitor, self etc.)
- 4.4. Torque-slip-speed characteristics of Induction Generator Electrical Machines Course Code: 1336401 of induction generator. 4.5 Voltage buildup in induction generator
- 4.6. Applications & limitations of induction generator