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AKTU Electrical Engineering Lab (AEE151B / AEE251B) Syllabus PDF – B.Tech 1st Year
Electrical Engineering Lab AEE151B / AEE251B
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Official AKTU syllabus of Electrical Engineering Lab (AEE151B / AEE251B) for B.Tech 1st Year – 1 credits, L-T-P 0-0-2. Read the unit-wise course content, course outcomes, evaluation pattern and recommended books online, or download the PDF.
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Syllabus — Electrical Engineering Lab
Download PDFAEE151B / AEE251B · 1 credits · L-T-P 0-0-2
Course Objectives
- Verify Ohm's law and Kirchhoff's laws through simple DC circuit experiments
- Measure AC power, power factor, and demonstrate power factor improvement for industrial loads
- Set up three-phase circuits and measure three-phase power relevant to industrial motors
- Study transformer efficiency and induction motor starting and performance
- Demonstrate working of Fluorescent Lamp, electrical safety and protection equipment, and energy metering.
List of Experiments
| Exp. | Title | Objective / Description with Application |
| 1 | Electrical Safety Practices in the Laboratory | Demonstrate safe handling of electrical equipment, proper use of insulated tools, earthing, and emergency shutdown procedures. Application: Safe operation of electrical systems in laboratories and workplace |
| 2 | Verification of Ohm's Law | Verify the relationship between voltage and current for a resistor and determine its resistance.. |
| 3 | Verification of KVL and KCL | Verify Kirchhoff's Voltage Law in a series circuit and Kirchhoff's Current Law in a parallel circuit |
| 4 | Thevenin's Theorem Verification | Find Thevenin's equivalent of a DC network; verify with different load resistors. |
| 5 | Power and Power Factor Measurement | Connect a single-phase inductive load (choke / single-phase motor); measure voltage, current, and active power using a wattmeter; compute power factor. |
| 6 | Power Factor Improvement Using Capacitor | Improve power factor of an inductive load by adding capacitors in steps; record reduction in line current. |
| 7 | Three-Phase Star Connection – Voltage and Current | Set up a balanced three-phase star resistive load; measure phase and line voltages and currents; verify the √3 relationship. Application: three-phase supply to textile machines, chemical plant drives, and construction site distribution boards. |
| 8 | Measurement of Three- Phase Power by Two- Wattmeter Method | Measure the total power of a three-phase balanced load using the two-wattmeter method. |
| 9 | No-Load Test on a Single-Phase Transformer | Measure no-load voltage, current, and input power; observe the no-load characteristics of a transformer. |
| 10 | Verification of Voltage and Current Ratio of a Single-Phase Transformer | Measure primary and secondary voltages and currents to verify the transformation ratio. |
| 11 | Starting of a Three- Phase Induction Motor Using DOL Starter | Start a three-phase induction motor using a DOL starter and observe its operation and direction of rotation. |
| 12 | Demonstration of Star- Delta Starter | Observe the starting of a three-phase induction motor using a star-delta starter and compare it with DOL starting.. |
| 13 | Working of Fluorescent Lamp Circuit | Connect and observe the operation of a fluorescent lamp using a choke and starter. |
| 14 | Demonstration of Fuse, MCB and Earthing | Demonstrate the operation of a fuse and MCB and verify proper earthing of electrical equipment. |
| 15 | Study of Domestic Energy Meter and Energy Bill | Observe the operation of a single-phase energy meter and identify the major components of a domestic electricity bill |
Equipment / Instruments Required
- DC Regulated Power Supply
- Single-Phase and Three-Phase AC Supply
- Electrical Circuit Trainer/Breadboard
- AC/DC Ammeters and Voltmeters
- Two Single-Phase Wattmeters
- Resistor Kit and Rheostat
- Capacitor Bank and Choke Coil (Inductive Load)
- Single-Phase Transformer
- Three-Phase Squirrel Cage Induction Motor
- Direct-On-Line (DOL) Starter
- Star-Delta Starter (Demonstration Setup)
- Single-Phase Energy Meter
- Fluorescent Lamp with Choke (Ballast) and Starter
- Fuse, MCB and Earthing Demonstration Kit
- Earth Continuity Tester
- Connecting Wires, Switches and Terminal Blocks
- Safety Equipment (Insulated Gloves, Safety Goggles, Fire Extinguisher and First Aid Kit)
Teaching-Learning Methodology
Each 2-hour session begins with a 10-minute pre-lab briefing linking the experiment to its theory unit and a real engineering application.
Students record aim, circuit diagram, apparatus, procedure, observation table, sample calculations, result, and inference in their lab record book. A 10-minute post-lab discussion relates the experiment to emerging technologies in the stream. Continuous assessment of observation quality and conduct is maintained.
Course Outcomes
| COs | Course Outcome Statement | KL |
|---|---|---|
| CO1 | Verify Ohm's law, KVL, KCL, and Thevenin's theorem in DC circuit experiments with industrial context | K3 |
| CO2 | Measure AC power, power factor, and demonstrate power factor improvement for laboratory setup | K3 |
| CO3 | Set up three-phase circuits and measure power using the two-wattmeter method | K3 |
| CO4 | Evaluate transformer efficiency and demonstrate induction motor starting. | K3 |
| CO5 | Demonstrate electrical safety practices, conduct energy metering and demonstrate working of Fluorescent Lamp and protection equipment. | K2 |
Evaluation Pattern
| Sr. | Component | Marks | Weightage |
| 1. | Day-to-day performance (Observation, Circuit, Conduct) | 20 | 20% |
| 2. | Laboratory Record / File | 30 | 30% |
| 3. | End Semester Practical Examination (Experiment + Viva Voce) | 50 | 50% |
Safety Instructions
- No circuit should be energised without the instructor's approval
- Always switch OFF supply before making or changing any connection
- Three-phase experiments must be performed under direct instructor supervision
- Never exceed the rated range of any measuring instrument
- Switch off all equipment and tidy the lab bench after every session
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