Author: V. Vijitha
Abstract: This proposed model provides an intelligent control of frequency variations in the distribution system due to direct tapping on the line or bypassing the meter. The existing system uses step down cycloconverter or variable frequency drive to step down the fundamental frequency from 50 Hz to 10 Hz of the distribution transformer [1] where no load could work properly
and then distribute the power which thereby causes many fluctuation in frequency. Our proposed system uses matrix cycloconverter which is bidirectional and thus reduces the frequency variations in the line and thus provides a efficient use by the legal consumers. Matrix converter has an
inherent bidirectional energy flow capability and the input power factor can be fully controlled. Hence this system provides an efficient way of proceedings the intelligent controller of electricity theft due to direct hooking’s or tapings on the distribution line. The proposed model has been realized and analyzed in Matlab.
Keywords: Microcontroller, Zero cross detector, Bi directional (fourquadrant),
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