Electrical engineering laboratories equip B.Tech students with hands-on experience in electrical machines, power systems, electronics, and instrumentation. This guide lists equipment for the core labs required under AICTE norms and university syllabi for 4-year B.Tech Electrical Engineering (EE) and Electrical and Electronics Engineering (EEE) programmes.
Basic Electrical Circuits Lab (Semester 1–2)
Equipment
Specification
Experiments
DC Power Supply
0–30V, 2A, dual channel
Kirchhoff’s laws, Thevenin, Norton
Function Generator
1Hz–1MHz, sine/square/triangle
RC, RL, RLC circuits
Digital Storage Oscilloscope (DSO)
100MHz, 2-channel
Waveform analysis, phase measurement
Digital Multimeter
4½ digit, True RMS
V, I, R, capacitance measurements
Bread Board Kits
Full-size with jumper wires
Circuit assembly and testing
Resistance Decade Box
1Ω–10MΩ
Variable resistance experiments
Electrical Machines Lab (Semester 3–5)
DC Machines
Equipment
Rating
DC Shunt Motor–Generator Set
3 kW / 5 HP, 220V DC
DC Series Motor Test Setup
1 kW, 220V DC
Rheostats (field and armature)
Various ratings per motor
Loading Rheostat / Resistance Load Bank
5–10 kW
DC Ammeter and Voltmeter (panel type)
Multi-range
AC Machines
Equipment
Rating
3-Phase Induction Motor Test Rig
3 kW, 415V, 3-phase
Single-Phase Induction Motor Test Rig
0.5 kW, 230V
Alternator–DC Motor Set
5 kVA, 415V, 3-phase
3-Phase Transformer (Star–Delta, Delta–Star)
3 kVA, 415/415V
Single-Phase Transformer
1 kVA, 230/115V
3-Phase Wattmeter / Power Analyser
Two-wattmeter method
Variac (Auto-transformer)
0–270V, 5A
Power Electronics Lab (Semester 5–6)
Equipment
Purpose
SCR Firing Circuit Trainer
Half-wave and full-wave rectifier control
Thyristor / SCR Characteristics Trainer
V-I characteristics of SCR
MOSFET / IGBT Chopper Circuit Kit
DC-DC converter experiment
Single-Phase Fully Controlled Rectifier Kit
AC-DC conversion
PWM Inverter Trainer
DC-AC conversion, SPWM technique
Isolation Transformer
2 kVA — safety for power electronics lab
Measurement and Instrumentation Lab (Semester 5–6)
Earth leakage circuit breakers (ELCB) on all benches
Rubber mats at all work positions (IS 5424)
Insulated gloves (Class 0, 1000V rated)
Fire extinguisher (CO₂ type) — one per 50 sq.m.
First aid kit with burn treatment supplies
Isolation switches at each experimental bench
AICTE and NBA Compliance Notes
For NBA accreditation of EE/EEE programmes, ensure the machines lab has a minimum of one motor-generator set per 2 students for each experiment. Power analyser with harmonics analysis capability is increasingly required under the revised NBA 2024 criteria.
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