Basic Electrical Engineering  Laboratory

General information about the Laboratory: Basic Electrical Engineering Laboratory presents state-of-the-art facilities for hands-on learning based on hardware and simulation through the PSPICE environment.

Utilization: This laboratory offers support for  ES-EE-191(All branches) course of 1st year UG program

Experiments offered

A partial list of experiments offered by the laboratory is presented below.

1. First activity: Introduction to basic safety precautions and mentioning of the do’s and Don’ts. Noting down list of experiments to be performed and instruction for writing the laboratory reports by the students. Group formation. Students are to be informed about the modalities of evaluation.

2. Introduction and uses of the following instruments: (a) Voltmeter (b) Ammeter (c) Multimeter (d) Oscilloscope Demonstration of real-life resistors, capacitors with color code, inductors, and autotransformer.

3. Demonstration of cut-out sections of machines: DC machine, Induction machine, Synchronous

machine and single-phase induction machine.

4. Calibration of ammeter and Wattmeter.

5. Determination of steady state and transient response of R-L, R-C, and R-L-C circuits to a step change in voltage.

6. Determination of steady state response of R-L and R-C and R-L-C circuit and calculation of

impedance and power factor.

7. Determination of resonance frequency and quality factor of series and parallel R-L-C circuit.

8. (a) Open circuit and short circuit test of a single-phase transformer (b) Load test of the transformer

and determination of efficiency and regulation

9. Demonstration of three-phase transformer connections. Voltage and current relationship, phase shifts between the primary and secondary side.

10. Measurement of power in a three-phase unbalanced circuit by two-wattmeter method.

11. Determination of Torque –Speed characteristics of separately excited DC motor.

12. Determination of Torque speed characteristics and observation of direction reversal by change of

the phase sequence of connection of the Induction motor.

13. Determination of operating characteristics of Synchronous generator.

14. Demonstration of operation of (a) DC-DC converter (b) DC-AC converter (c) DC-AC converter for

speed control of an Induction motor.

15. Demonstration of components of LT switchgear.