A NEW TOPOLOGY FOR UNIPOLAR BRUSHLESS DC MOTOR DRIVE WITH HIGH POWER FACTOR

A PROJECT REPORT Submitted toJAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITYHYDERABAD (A.P)

In partial fulfillment of the requirements for the award of the degree of

BACHELOR OF TECHNOLOGY INELECTRICAL & ELECTRONICS ENGINEERING

P.V.CHINNA TEJA07645A0211B.NARESH06641A0257E.NAG KUMAR 06641A0283T.RAJASHEKHAR 07645A0205B.RAMESH 06641A0255

Under the esteemed guidance of B.NAGARAJU Lecturer

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERINGVAAGDEVI COLLEGE OF ENGINEERING (Affiliated to JNTU & Accredited by NBA)BOLLIKUNTA, WARANGAL-506005 2009-2010

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERINGVAAGDEVI COLLEGE OF ENGINEERING BOLLIKUNTA, WARANGAL-506005

CERTIFICATE

This is to certify that the project entitled A NEW TOPOLOGY FOR UNIPOLAR BRUSHLESS DC MOTOR DRIVE WITH HIGH POWER FACTOR is a bonafide record carried out by Mr.P.V.CHINNA TEJA, Mr. B.NARESH, Mr.E. NAGAKUMAR, Mr. T.RAJASHEKHAR, Mr.B.RAMESH, of final year B.Tech (Electrical & Electronics Engineering), academic year (2009-2010) in the partial fulfillment of the requirements for the award of the degree from Jawaharlal Nehru Technological University, Hyderabad, A.P.

Mr. B.NAGARAJU Mr. K.PRAKASH Dr. CH.SATHAIAH Project Guide Head of department Principal

ACKNOWLEDGEMENT

Without the roots working in the dark earth, we would not have the flower. We would like to extended our esteemed gratitude to all those who directly or indirectly, are responsible in making this project report possible and especially to the following. We express our immense pleasure with a profound feeling of reverence and gratitude to Mr. B.NAGARAJU, Lecturer in Electrical and Electronics Engineering Department, for his inspiring and invaluable guidance throughout this project.We wish to express our gratitude to Mr. K.PRAKASH, Head of EEE Department and all the staff members of Electrical and Electronics Engineering Department for their encouragement and co-operation.We are placing our sincere thanks to Dr. CH.SATHAIAH, principal of Vaagdevi College of Engineering for his kind co-operation.We are grateful to the management of Vaagdevi College of Engineering for providing all the facilities required for completing this project work.Last but not least we wish to thank our parents and friends for their co-operation in completing this project.

Project Associates P.V.CHINNA TEJA B.NARESH NAGA KUMAR T.RAJASEKHAR RAMESH