“WIRELESS MONITORING AND PROTECTION OF POWER TRANSFORMER USING PIC”

Electrical Engineering

Power transformers are one of the most important electrical equipment that are used in power transmission system as they perform the function of transforming the voltage levels. Hence maintenance of power transformer is mandatory; as they are located at different geographical areas periodical monitoring is not possible all the time due to insufficient man power. Due to this reason transformer failure may occur which leads to unexpected power shutdown. To overcome this shutdown due to transformer failure we proposed a system for monitoring the transformer .The aim of our project is to monitor and protect oil quality, temperature, and current, fuse open or closed and voltage level of transformer without involving man power. If any critical condition occurs the SMS will be send to the operator through GSM modem as well as any faulty condition occur then fault is directly display on the LCD .This monitoring system consist of PIC 18F4550 A microcontroller, LM35 temperature sensor, fuse ,current transformer, voltage transformer, light dependent resistor (LDR),GSM modem and LCD. We can applied this system in real time only some modifications are required.

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