AUTOMATIC LOAD SHARING OF TRANSFORMER USING ARDUINO UNO

ELECTRICAL ENGINEERING

This project Report describes Automatic Load Sharing of Transformers to protect the transformers under overload condition and makes sure the supply is uninterrupted. When load on transformer one exceeds 0.7 mA then the secondary transformer that is slave transformer will automatically turn ON. Our main purpose of this project is to give us uninterrupted power supply. Our power distribution system works on Transformer; it is main component in the system if it gets overloaded then the supply will stop. A lot of peoples have faced power cut due to the transformer failure and it takes too much time to restore the supply for such times this project can give us the continuous power flow until the main transformer backs in action. Nowadays it has become a main concern to overcome from this problem this project is going to be very helpful such problems were a source of motivation for this project. If we connect another one transformer in parallel with main transformer, then if main transformer gets overloaded then the slave transformer will come into work and the supply will continue. Three phase transforms having a pair of additional coupled windings on the secondary side of each phase, with these coupled windings properly connected in series to develop a voltage in phase with a particular secondary voltage but driven from alternate phase primaries. The primary and secondary windings are connected in a Y or A configuration. One coupled winding from each of the two phases, other than the desired secondary phase which is to be balanced, are joined in negative series so that when summed, they are aligned with the secondary phase are being corrected. The series coupled windings are connected in parallel with the third secondary.

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