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PADMASRI Dr. B. V. RAJU INSTITUTE OF TECHNOLOGY

VISHNUPUR, NARSAPUR, MEDAK (Dist)

ANDHRA PRADESH, INDIA-502313www.bvrit.ac.in

Department of

ELECTRICAL AND ELECTRONICS ENGINEERING

III-B.Tech II-SEMISTER

POWER ELECTRONICS & SIMULATIONLAB MANUAL

(2012-2013)

Prepared by

Sr.Asst.Professor,

EEED-BVRIT

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POWER ELECTRONICS AND SIMULATION LAB CODE

1. Students should report to the concerned labs as per the time table schedule.

2. Students who turn up late to the labs will in no case be permitted to perform theexperiment scheduled for the day.

3. After completion of the experiment, certification of the concerned staff in-charge in theobservation book is necessary.

4. Students should bring a note book of about 100 pages and should enter thereadings/observations into the note book while performing the experiment.

5. The record of observations along with the detailed experimental procedure of theexperiment performed in the immediate last session should be submitted and certified bythe staff member in-charge.

6. Not more than three students in a group are permitted to perform the experiment on asetup.

7. The group-wise division made in the beginning should be adhered to, and no mix up of student among different groups will be permitted later.

8. The components required pertaining to the experiment should be collected from stores in-charge after duly filling in the requisition form.

9. When the experiment is completed, students should disconnect the setup made by them,and should return all the components/instruments taken for the purpose.

10. Any damage of the equipment or burn-out of components will be viewed seriously eitherby putting penalty or by dismissing the total group of students from the lab for thesemester/year.

11. Students should be present in the labs for the total scheduled duration.

12. Students are required to prepare thoroughly to perform the experiment before coming toLaboratory.

13. Procedure sheets/data sheets provided to the students groups should be maintainedneatly and to be returned after the experiment.

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POWER ELECTRONICS AND SIMULATION LAB

Objectives:

The Power Electronics and Simulation Laboratory is a unique opportunity

for you to design and build. Power electronic circuits are the backbone of almost

every modern convenience. Automobiles, cell-phones, laptop and desktop

computers, television sets, and kitchen appliances, among many other systems,

require power electronics circuits to convert electrical energy to a useful form.

The creation of a successful power electronic circuit almost always requires

more than the application of a set of analytical techniques. The most elegant

examples are crafted by engineers who have a rich understanding of how to make

trade-offs amongst all the parts of a system, e.g., thermal, mechanical, electrical,

and sometimes software. For this reason, we make special efforts to expose you to

a huge number of demonstrations developed from a wide range of engineering

disciplines, and to provide exciting laboratory experiences that let you try the

techniques you learn on practical hardware.

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POWER ELECTRONICS AND SIMULATION LAB

Any Eight of the Experiments in 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 and RL Loads

4. Single Phase fully controlled bridge converter with R and RL loads

5. Forced Commutation circuits ( Class A, Class B, Class C, Class D & Class E)

6. DC Jones chopper with R and RL Loads

7. Single Phase Parallel, inverter with R and RL loads

8. Single Phase Cyclo converter with R and RL loads

9. Single Phase Half controlled converter with R load

10. Three Phase half controlled bridge converter with R-load

11. Single Phase series inverter with R and RL loads

12. Single Phase Bridge converter with R and RL loads

13. Single Phase dual converter with RL loads

Any two simulation experiments with PSPICE/PSIM

14. PSPICE simulation of single-phase full converter using RLE loads and single-phase ACvoltage controller using RLE loads.

15. PSPICE simulation of resonant pulse commutation circuit and Buck chopper.

16. PSPICE simulation of single phase Inverter with PWM control.

REFERENCE BOOKS:1. Simulation of Electric and Electronic circuits using PSPICE by M.H.Rashid, M/s

PHI Publications.

2. PSPICE A/D users manual Microsim, USA.

3. PSPICE reference guide Microsim, USA.

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CONTENTS

POWER ELECTRONICS AND SIMULATION LAB MANUAL

S.NO. NAME OF THE EXPERIMENT Page No

1 Study of characteristics of SCR, MOSFET and IGBT. 110

2 Forced commutation circuits (class A, B, C and D). 11 16

3 Single phase AC voltage controller with R & RL loads. 17 23

4 Single phase fully controlled bridge converter with R & RL loads. 24 30

5 Single phase half controlled converter with R& RL load. 31 36

6 Single phase Cyclo converter with R& RL loads. 37 43

7 Study of gate firing circuits 44 49

8 DC Jones chopper with R and RL Loads 50 54

9 Single Phase Parallel, inverter with R and RL loads 55 59

10 Three Phase half controlled bridge converter with Rload and RLloads 60 62

SIMULATION EXPERIMENTS

11 PSPICE simulation of single phase full converter using RLE loads and single phase AC voltage controller using RLE loads.

63 67

12 PSPICE simulation of resonant pulse commutation circuit and Buck chopper

68 70

13 PSPICE simulation of single phase Inverter with PWM control. 71 74

ADDITIONAL EXPERIMENTS

14 Speed control of dc shunt motor using half controlled converter 75 77

15 Speed control of I Induction motor using AC Voltage controller 78 79