Study of Radial Vibration Mode Piezoelectric Transformer

PROJECT REPORT TITLED

STUDY OF RADIAL VIBRATION MODE PIEZOELECTRIC TRANSFORMER

SUBMITTED BY:

AKSHAY PATIL (050337)

B.TECH (ELECTRICAL ENGINEERING)

YEAR 2008-2009

PROJECT GUIDE

MRS. JAYALAKSHMI CHANDLE

DEPARTMENT OF ELECTRICAL ENGINEERING

VEERMATA JIJABAI TECHNOLOGICAL INSTITUTE

(AUTONOMOUS INSTITUTE AFFILIATED TO UNIVERSITY OF MUMBAI)

MATUNGA, MUMBAI-400019

2008-2009

STATEMENT BY THE STUDENT

I wish to state that the work embodied in this project report titled "Study of radial vibration mode piezoelectric transformer" forms the group's contribution to the work carried out under the guidance of Mrs. Jayalakshmi Chandle at the Veermata Jijabai Technological Institute. This work has not been submitted for the Diploma or degree of other institutes.

The project being study project, extensive use of research work carried out elsewhere is used. The references of such work have been mentioned clearly.

AKSHAY PATIL (050337) ____________________

CERTIFICATE

This is to certify that the following student:

Akshay Patil (050337)

Of B.Tech (Electrical Engineering) as a member of the team of students has successfully completed the project report titled:

"STUDY OF RADIAL VIBRATION MODE PIEZOLECTRIC TRANSFORMER"

to our satisfaction. The above mentioned project is approved for the degree of B.Tech (Electrical Engineering) of the UNIVERSITY OF MUMBAI.

(Mrs. J. O. Chandle) (Dr.B.K.Lande)

Guide Head of Department

Electrical Engineering

CERTIFICATE

This is to certify that the following students:

Akshay Patil (050337)

Of B.Tech (Electrical Engineering) as a member of the team of students has successfully completed the project report titled:

"STUDY OF RADIAL VIBRATION MODE PIEZOLECTRIC TRANSFORMER"

to our satisfaction. The above mentioned project is approved for the degree of B.Tech (Electrical Engineering) of the UNIVERSITY OF MUMBAI.

(Mrs.J.O.Chandle) Examiner

Guide

ACNOWLEDGEMENT

I the student of B.Tech (Electrical Engineering) take this opportunity to thanks Dr.B.K.Lande, head of the Electrical Engineering department for giving the necessary permission to commence the work on the project of radial vibration mode piezoelectric transformer.

I would like to express my sincere thanks and gratitude to my guide

Mrs. Jayalakshmi Chandle for her continuous, valuable and unwavering support throughout the project work. Without her guidance, this work would not have materialized in the allotted time period.

I would also like to sincerely thank the non teaching staff of the college for extending the necessary support in using the resources of the laboratory.

CONTENTS

CHAPTERS PAGES

Abstract iii

1) Introduction 1

1.1 Piezoelectric phenomenon 2

1.2 Piezoelectric actuators and transducers 7

1.3 Piezoelectric Transformer 8

2) Comparison of Electromagnetic and Piezoelectric transformers 14

3) Equivalent circuit derivations 20

3.1 Physics based equivalent circuit model of Piezoelectric 21

Element