Subject Code & Name: EI25C04 – Electrical Machines Laboratory
Regulation: R-2025
Semester: III (Third Semester)
Branch: B.E. Electronics and Instrumentation Engineering (EIE) / B.E. Instrumentation and Control Engineering (ICE)
Credits / L-T-P: 2 Credits | L-T-P: 0-0-4
Course Objectives
- The objectives are to obtain the no-load and load characteristics of both D.C. and A.C. machines, and to study the speed characteristics of D.C. motors.
- Additionally, the aim includes determining the regulation characteristics of A.C. generators and transformers.
- The control aspects of special machines like stepper motors are also explored.
Full Unit-wise Syllabus
List of Experiments
- Open circuit and load characteristics of self excited DC generator.
- Open circuit and load characteristics of separately excited DC generator.
- Speed control of separately excited DC shunt motor.
- Load test on DC shunt and series motors.
- Predetermination of efficiency and regulation of single phase transformer.
- Load test on single phase transformer.
- Load test on three phase induction motor.
- Load test on single phase induction motor.
- Study of AC drives.
- Study of DC drives.
- Thyrister based control.
- Switching characteristics of MOSFET/IJBT.
Course Outcomes (COs)
- CO1: Explain and analyze the no load and load characteristics of DC and AC machines, including generators, motors, and transformers.
- CO2: Evaluate the performance, speed control, efficiency, and regulation of DC and AC machines through experimental testing.
- CO3: Understand the control and operational aspects of special machines and drives, including stepper motors, AC drives and DC drives.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 60% | End Semester Examinations 40%
- Internal methodology: Project (30%),Assignment (10%), Practical (30%), Internal Examinations (30%)
Source: Official Anna University – B.E. Electronics and Instrumentation Engineering R-2025 Curriculum
Last Updated: September 2026
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