Download Tag: 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. ...

ABSTRACT The basic aim of the design and construction of this three phase automatic phase selector is to demonstrate how contactors can be used to switch in between three lines or phases e.g “RED, YELLOW AND THE BLUE PHASE” without interfering with the contacts. This type of phase selector is able to switch between phases with the aid of inter-locking one phase to the other either one phase circuit is ...