DESIGN AND CONSTRUCTION OF A SINGLE PHASE AUTOMATIC CHANGE OVER SWITCH WITH PHASE SELECTOR
CHAPTER ONE 1.1 INTRODUCTION Change over switch is a device used to switch off a power supply and subsequently switch on another power source. Basically it is aimed at switching on a more convenient power supply to the load. Since it switches on power to the load precaution has to be taken while choosing the type of change over switch. Also size, arcing control are put into consideration in the choice. ...
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