Design & Modeling of Automatic Phase Changer
Journal Title: GRD Journal for Engineering - Year 2017, Vol 2, Issue 5
Abstract
Automation plays a predominant role in the modern scientific world. Automatic phase changer finds application in small offices, residences where single phase equipments are used during phase failure, this unit automatically take the available phase lines and distribute to the non-available phase lines. The circuit is built around a transformer, micro-controller, voltage divider, & relay. Three identical sets of the circuit, one for each of three phases are used .The power supply provided to the transformers is stepped down at the level of 12volt which is rectified by the diodes and filtered by a capacitor to produce the ripple free operating voltage. Depending upon the voltage at the output of IC the relay gets energized or de-energized and with this phase can be chooses. Using Automatic phase changer we can operate all our equipment when the voltage in any of the phase fluctuates from rated voltage.
Authors and Affiliations
Sharad Chandra Rajpoot, Prashant Singh Rajpoot, Sanjay Kumar Singhai, Naven Prakash Singh
Keywords
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