FIS incorporated microcontroller based MCB

Abstract

Electro Mechanical Miniature Circuit Breaker (MCB) has been introduced under LT Protection Scheme since 1910 for protection against short circuit faults. In the present days a good number of areas have been explored on intelligent circuit breakers like AI incorporated Vacuum Circuit Breaker, SF6, and LV DC Breaker and so on. The aforesaid breakers are single port based and for a single load. In this paper discussion has been drawn about an Intelligent MCB with multiple ports availability. The Fuzzy Inference System based MCB has been developed under MATLAB environment. Hardware developed here is a Microcontroller belongs to ATMEL family. By developing one script file under MATLAB Environment and by introducing Microcontroller a single shot scope has been implemented for validating the outputs obtained from the output pins of the concerned microcontroller. For an alternate way to record outputs with respect to time in continuous form another scope has also been taken into account by introducing Microcontroller as well.