Engineering Tutorials

EEE-651: POWER ELECTRONICS LABORATORY

Note: The minimum of 10 experiments is to be performed out of which at least three should be software based.

1. To study V-I characteristics of SCR and measure latching and holding currents.

2. To study UJT trigger circuit for half wave and full wave control.

3. To study single-phase half wave controlled rectified with (i) resistive load (ii) inductive load with and without free wheeling diode.

4. To study single phase (i) fully controlled (ii) half controlled bridge rectifiers with resistive and inductive loads.

5. To study three-phase fully/half controlled bridge rectifier with resistive and inductive loads.

6. To study single-phase ac voltage regulator with resistive and inductive loads.

7. To study single phase cyclo-converter

8. To study triggering of (i) IGBT (ii) MOSFET (iii) power transistor

9. To study operation of IGBT/MOSFET chopper circuit

10. To study MOSFET/IGBT based single-phase series-resonant inverter.

11. To study MOSFET/IGBT based single-phase bridge inverter.

SOFTWARE BASED EXPERIMENTS (PSPICE/MATLAB)

12 To obtain simulation of SCR and GTO thyristor.

13 To obtain simulation of Power Transistor and IGBT.To obtain simulation of single phase fully controlled bridge rectifier and draw load voltage and load current waveform for inductive load.

14 To obtain simulation of single phase full wave ac voltage controller and draw load voltage and load current waveforms for inductive load.

15 To obtain simulation of step down dc chopper with L-C output filter for inductive load and determine steady-state values of output voltage ripples in out put voltage and load current. Reference Books:

1. M.H.Rashid, “Power Electronics: Circuits, Devices and Applications”, ₃rd Edition, prentice Hall of India.

2. D.W. Hart, “Introduction to power Electronics” prentice hall Inc. 1997.

3. Randal Shaffer, “Fundamentals of Power Electronics with MATLAB” Firewall Media, 2007.

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