ELECTRICAL MACHINES-I Syllabus — Government College of Engineering an…
Full syllabus, topics and curated resources for ELECTRICAL MACHINES-I (Government College of Engineering and Technology, Jammu).
Principles, operation, characteristics and testing of transformers and DC machines
- Subject code: EET2301
- University: Government College of Engineering and Technology, Jammu
- Course: BE (2022 onwards)
- Branch: EE
- Semester: 3
ELECTRICAL MACHINES-I syllabus
Unit 1: Transformers
- Principle of operation, Construction and emf equation of single-phase transformer
- Phasor diagram, equivalent circuit, voltage regulation, losses and efficiency
- Testing-Polarity Test, Open & short circuit tests
- Sumpner's test
- Parallel operation of single-phase transformers
Unit 2: Three Phase Transformer
- Construction, various types of connections and their comparative features
- Parallel operation of three-phase transformers
- Rating of transformers
- Scott connection and Open delta
- Cooling of transformers
- Construction and working principle of Autotransformers
- Comparison with two winding transformers and its applications
Unit 3: D.C. Generator
- Working principle, construction and methods of excitation
- Types of Armature Windings-simple lap and wave winding
- Emf equation
- Armature reaction
- Commutation
- Causes of bad commutation, Methods of improvement
- Effect of brush shift, Compensating winding
- Characteristics of various types of generators, applications