Variable Power Supply
A PROJECT REPORT ON
VARIABLE POWER SUPPLY
GUIDED BY Mrs. PALLAVI INGLE PREPARED BY DHARANG SHAH JIGNESH VYAS 10EC154 09EC065
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
YEAR: 2010
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING SAL INSTITUTE OF TECHNOLOGY AND ENGINEERING RESEARCH AHMEDABAD-380060
CERTIFICATE
This is to certify that the following students of the third semester Electronics and Communication Engineering have successfully submitted the project report entitled “VARIABLE POWER SUPPLY” for the term ending in November-2010. The work prepared by them is found satisfactory. Name Dharang Shah Jignesh Vyas Number 10EC154 09EC065
Date: Place:
Project Guide (Mrs. Pallavi Ingle)
Head of E.C. Department (Mrs. Nidhi Bhatt)
Principal (Dr. Rupesh Vasani)
ACKNOWLEDGEMENT
First and foremost we would like to thank SAL INSTITUTE OF TECHNOLOGY AND ENGINEERING RESEARCH, AHMEDABAD for giving us the opportunity to undertake this project work.
We are thankful to our guide Mrs. Pallavi Ingle, lecturer in Electronics and Communication Department, Sal Institute of Technology & Engineering Research, for her valuable guidance and continuous inspiration during the entire Project Work. We are also thankful to Mrs. Nidhi Bhatt, Head of the Electronics and Communication Department, Sal Institute of Technology & Engineering Research, for supporting in successful completion of the project.
i
INDEX
ACKNOWLEDGEMENT INDEX LIST OF FIGURES LIST OF TABLES
i ii iv v
1-INTRODUCTION
1.1 1.2 Introduction Scope 1 1
2-PROJECT PORTRAYAL
2.1 General Block Diagram and its Description 2.1.1 Transformer 2.1.2 Rectifier 2.1.3 Smoothing 2.1.4 Regulator Component List Schematic of Variable Power Supply Working of the Circuit 2 2 2 2 3 3 4 5
2.2 2.3 2.4
3-HARDWARE PORTRAYAL
3.1 3.2 3.3 Transformer Diode Capacitor 3.3.1 Electrolyte Capacitor 3.3.2 Unpolarised Capacitor 3.3.3 Capacitor Colour Code Resistor 3.4.1
VARIABLE POWER SUPPLY
GUIDED BY Mrs. PALLAVI INGLE PREPARED BY DHARANG SHAH JIGNESH VYAS 10EC154 09EC065
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
YEAR: 2010
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING SAL INSTITUTE OF TECHNOLOGY AND ENGINEERING RESEARCH AHMEDABAD-380060
CERTIFICATE
This is to certify that the following students of the third semester Electronics and Communication Engineering have successfully submitted the project report entitled “VARIABLE POWER SUPPLY” for the term ending in November-2010. The work prepared by them is found satisfactory. Name Dharang Shah Jignesh Vyas Number 10EC154 09EC065
Date: Place:
Project Guide (Mrs. Pallavi Ingle)
Head of E.C. Department (Mrs. Nidhi Bhatt)
Principal (Dr. Rupesh Vasani)
ACKNOWLEDGEMENT
First and foremost we would like to thank SAL INSTITUTE OF TECHNOLOGY AND ENGINEERING RESEARCH, AHMEDABAD for giving us the opportunity to undertake this project work.
We are thankful to our guide Mrs. Pallavi Ingle, lecturer in Electronics and Communication Department, Sal Institute of Technology & Engineering Research, for her valuable guidance and continuous inspiration during the entire Project Work. We are also thankful to Mrs. Nidhi Bhatt, Head of the Electronics and Communication Department, Sal Institute of Technology & Engineering Research, for supporting in successful completion of the project.
i
INDEX
ACKNOWLEDGEMENT INDEX LIST OF FIGURES LIST OF TABLES
i ii iv v
1-INTRODUCTION
1.1 1.2 Introduction Scope 1 1
2-PROJECT PORTRAYAL
2.1 General Block Diagram and its Description 2.1.1 Transformer 2.1.2 Rectifier 2.1.3 Smoothing 2.1.4 Regulator Component List Schematic of Variable Power Supply Working of the Circuit 2 2 2 2 3 3 4 5
2.2 2.3 2.4
3-HARDWARE PORTRAYAL
3.1 3.2 3.3 Transformer Diode Capacitor 3.3.1 Electrolyte Capacitor 3.3.2 Unpolarised Capacitor 3.3.3 Capacitor Colour Code Resistor 3.4.1