WELCOME TO ALL

KUMARAGURU COLLEGE OF TECHNOLOGY

COIMBATORE- 641049

SMART APPARENT POWER

VARIABLE CIRCUIT BREAKER

AUTHORS

RAMAKRISHNAN G

SIVAPRAKASAM R

SAKTHIVEL M P

PRABHU M

CONTENTS

INTRODUCTION

BLOCK DIAGRAM

CONSTRUCTION

OPERATION

MERITS

APPLICATIONS

CONCLUSION

KEY STUDYS

CIRCUIT BREAKER

Electrical switch

Abnormal

conditions

Transients

FEATURES

Apparent power

Variable rating

Single phase preventer

Many operation at a time

BLOCK DIAGRAM &

CONSTRUCTION

CURRENT

TRANSFORMER

Instrument transformer

Measure the current

Output in voltage

POTENTIAL

TRANSFORMER

Measure the voltage

Instrument transformer

Step down the voltage

SIGNAL CONDITIONING

UNIT

Manipulation of analog signal

Amplification

Filtering

Isolation

ANALOG TO DIGITAL

CONVERSION

Continuous physical quantity to a

digital number

Succession approximation ADC

SAR

Comparator

PIC 16F877A

RELAY & DRIVER CIRCUIT

Electrically operated switch

Driver circuit is used to interface

LIQUID CRYSTAL

DISPLAY

Fault condition

Operating range

OPERATION

MERITS

Variable rating

Automatic control

Highly safety

Speed of operation

Maintenances is low

APPLICATIONS

Transmission & Distribution lines

Distribution transformers

Multi motor operations

Home applications

Printing mills

KEY STUDY

DISTRIBUTION TRANSFORMER

NORMAL SYSTEM

CONCLUSION

Thus we conclude that our Smart

Apparent Power Variable Circuit

Breaker is smarter than normal

circuit breaker.

THANK YOU