« Back

Name of the Laboratory

Description

List of Experiments

Electrical Machines    Lab - I

1.    Magnetization characteristic of DC shunt generator.  Determination of critical   field resistance and critical speed.

2.    Load test on DC shunt generator.  Determination of characteristics.

3.    Load test on DC series generator.  Determination of characteristics.

4.    Load test on DC compound generator.  Determination of characteristics.

5.    Hopkinson’s test on DC shunt machines, Predetermination of efficiency.

6.    Brake test on DC shunt motor.  Determination of performance current.

7.    Brake test on DC compound motor.  Determination of performance curves.

8.    Swinburne’s test on DC shunt machine.

9.    Separation of losses in DC shunt motor

10.  Speed control of DC motor

Experiments beyond syllabi

The following Experiments may be conducted as content beyond the syllabi:

11.  Magnetization characteristic of DC shunt generator.  Determination of critical   field resistance and critical speed.

12.  Load test on DC shunt generator.  Determination of characteristics.

13.  Load test on DC series generator.  Determination of characteristics.

Electrical Machines

Lab - II

1.    O.C. & S.C. tests on single phase transformer.

2.    Sumpner’s test on a pair of single phase transformers.

3.    Scott connection of transformers.

4.    No-load & Blocked rotor tests on three phase Induction motor.

5.    Regulation of a three-phase alternator by Synchronous impedance & m.m.f. methods.

6.    V and Inverted V curves of a three-phase synchronous motor.

7.    Equivalent Circuit of a single phase Induction Motor.

8.    Determination of xd and xq of a salient pole synchronous machine.

9.    Brake test on three phase Induction motor.

10.  Regulation of three-phase alternator by Z.P.F. and A.S.A. methods

Control Systems Lab

1.    Time response of Second order system.

2.    Characteristics of Synchronous

3.    Transfer function of DC shunt generator

4.    Speed, Torque, Characteristics of DC servo meter

5.    Speed, Torque, Characteristics of AC servo meter

6.    Lead and lag compensation – magnitude and phase plot

7.    Temperature controller using PID

8.    Effect of P, PD, PI, PID controller on a second order system

9.    State space model for classical transfer function using MATLAB verification

10.  Root locus plot, bode plot from MATLAB

Power Electronics Lab

1.    Study of characteristics of SCR, MOSFET & IGBT.

2.    Gate firing circuits for SCRs

3.    Single phase AC voltage controller with R & RL loads

4.    Single phase half controlled bridge converter with R & RL loads

5.    Forced commutation circuits

6.    Single phase parallel inverter with R &RL loads

7.    Single phase cyclo converter with R& RL loads

8.    Single phase half controlled bridge converter with R load

9.    Three phase half controller bridge converter with R-L load

10.  Single phase dual converter with RL loads

Electrical Measurements Lab

1.    Calibration and testing of single phase Energy Meter.

2.    Calibration of dynamometer power factor meter.

3.    Crompton D.C. Potentiometer – Calibration of PMMC ammeter and PMMC voltmeter.

4.    Kelvin’s double Bridge

5.    C.T. Testing by Silsbee’s method

6.    Schering bridge & Anderson bridge.

7.    Measurement of 3-phase reactive power with single phase wattmeter.

8.    Measurement of parameters of a choke coil using 3 voltmeter and 3 ammeter methods.

9.    LVDT and capacitance pickup – characteristics and Calibration.

10.  Calibration of LPF Wattmeter by phantom testing

Electrical Technology Lab

1.    Serial and Parallel Resonance – Timing, Resonant frequency, Bandwidth and Q-factor determination for RLC network.

2.    Time response of first order RC/RL network for periodic non-sinusoidal inputs-time constant and steady state error determination.

3.    Two port network parameters-Z-Y Parameters, chain matrix and analytical verification.

4.    Verification of maximum power transfer theorem. Verification on DC, verification on AC with Resistive and Reactive loads.

5.    Experimental determination of Thevenin’s and Norton’s equivalent circuits and verification by direct test.

6.    Verification of superposition and reciprocity theorems

7.    Magnetization characteristics of D.C. Shunt generator. Determination of critical field resistance

8.    Swinburne’s Test on DC shunt machine (Predetermination of efficiency of a given DC Shunt machine working as motor and generator).

9.    Brake test on DC shunt motor. Determination of performance characteristics.

10.  OC & SC tests on Single-phase transformer (Predetermination of efficiency and regulation at given power factors and determination of equivalent circuit).

Basic Electrical and Electronics Engineering Lab

Electrical and  Electronics Engineering Lab

11.  Swinburne’s test on DC shunt machine

12.   OC & SC tests on Single-phase transformer.

13.  Brake test on 3-Phase induction motor

14.  Regulation of Alternator by Synchrous impedance method.

15.  Speed Control of DC shunt motor by

i) Armature voltage control motor.

ii) Field flux control method.

Electrical Circuits Lab

1.    Series and Parallel Resonance – Timing, Resonant frequency Bandwidth and Q-factor determination for RLC network.

2.    Time response of 1st order RC/RL network for periodic non sinusoidal inputs – Time constant and steady state error determination.

3.    Two port network parameters – Z-Y parameters, Chain matrix and analytical verification.

4.    Verification of superposition and Reciprocity theorem.

5.    Verification of Max. Power transfer theorem.  Verification on DC verification on AC with Resistive and Reactive loads.

6.    Experimental determination of Thevenin’s & Norton’s equivalent circuits and verification by direct test.

7.    Current locus diagram with RL & RC with R-varying in both cases and with C varying.

8.    Frequency response of LP and HP filters.  Computation of Bandwidth cut-off frequencies and analytical verification.

9.    Determination of form factor for non sinusoidal wave form, by taking the magnetization current in a transformer, as the applied voltage is varied.  Experimental determination by measurement of RMS, average values.  Verification from the wave form output

10.  Generation of non linear periodic waveform for square wave using clipping and clamping. Control of average value of the output waveform..

Simulation of Electrical Systems Lab