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Basic Electrical Engineering Lab

100106P

5 modules · 18 topics

Experiment set 1Basic Measurements & Circuit Laws3 topics
  • Measurement of various electrical parameters - Voltage, current, resistance, color code, comparison of expected vs measured values
  • Verification of Ohm's law in a nonlinear circuit
  • Verification of Kirchhoff's Current Law and Voltage Law - KVL series, KCL parallel
Experiment set 2AC Signals & Power Measurement4 topics
  • Measurement of AC signal parameters - Average/peak/RMS values, time and frequency using CRO
  • Measurement of impedance, current, and power factor in series RL and RC circuits
  • Measurement of power and power factor in single-phase AC series (i) Resistive circuit (ii) Inductive circuit
  • Energy efficient lamps - Power consumption of Incandescent, fluorescent tube and LED of same rating
Experiment set 3Three-Phase & Transformer Basics4 topics
  • Line and Phase voltage measurement of star-delta connection in 3-phase AC circuit
  • Determination of voltage ratio and polarity of single-phase transformer
  • Autotransformer specification - Identify correct specification per load current
  • Variation of input supply voltage using single-phase autotransformer
Experiment set 4Transformer Performance3 topics
  • Determination of voltage ratio and polarity of single-phase transformer under no-load and load conditions
  • Determination of performance of single-phase transformer by direct load test - losses, efficiency, voltage regulation
  • Determination of performance of single-phase transformer by OC and SC test - losses, efficiency, voltage regulation
Experiment set 5Electrical Machines Demonstration4 topics
  • Operation of induction motor and starter - Identify parts of 3-phase induction motor, operate using DOL starter
  • Demonstration of cut-out sections of machines: DC machine, three-phase induction machine, single-phase induction machine and synchronous machine - efficiency under varying load
  • Reverse direction of 3-phase induction motor by reversing phase sequence
  • Identification of different parts of single-phase induction motor and reversing direction of rotation (ceiling fan, single-phase induction motor and universal motor)
Lab