EP25402 Electrical Machines Laboratory – Semester IV – EEE(Comp) – R-2025

Subject Code & Name: EP25402 – Electrical Machines Laboratory

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B.E. Electrical and Computer Engineering (EEE(Comp))

Credits / L-T-P: 2 Credits | L-T-P: 0-0-4

Course Objectives

• To educate students on the construction and operation of DC and AC machines, including generators, motors, and transformers.
• This course also aims to impart knowledge of testing methods and performance analysis.

Full Unit-wise Syllabus

List of Experiments

• Open circuit and load characteristics of DC Generator (Shunt / Series / Compound)
• Study of starters of DC motors
• Speed control of DC motor
• Load test on DC motor (Shunt / Series)
• Swinburne’s test
• Open circuit and short circuit test on single-phase transformer
• Predetermination of regulation of three-phase alternator using EMF method.
• Study of starters of three-phase induction motors
• No-load and blocked rotor tests and predetermination of performance of three-phase induction motor
• Load test on induction motor (Single Phase / Three Phase)
• V-curves and inverted V-curves of synchronous motor

Tasks

• T1: Simulate a DC machine and compare the performance parameters with an analytical calculation.
• T2: Simulator transformer and performance parameters with an analytical computation. CO Description of CO PO PSO CO1 Perform tests on DC machines and transformers to PO1, PSO1(3) analyze characteristics, efficiency, and regulation. PO2, PO4 CO2 Evaluate performance of induction motors using no- PO2, PSO1(3) load, blocked rotor, and load tests. PO4, PO5 CO3 Analyze performance of synchronous machines using PO1, PSO1(3) EMF method and V-curves. PO2, PO4

Course Outcomes (COs)

• CO1: Perform tests on DC machines and transformers to analyze characteristics, efficiency, and regulation.
• CO2: Evaluate performance of induction motors using no-load, blocked rotor, and load tests.
• CO3: Analyze performance of synchronous machines using EMF method and V-curves.

Source: Official Anna University – B.E. Electrical and Computer Engineering R-2025 Syllabus
Last Updated: October 2026