hi
i need your help
i want find phase sequance in three phase line voltaqe(rst are 380v)
but my sample voltage is under treshold voltage(1.8v) and i connect this voltage to AN0...AN2 pin
how can i find right direction of phase sequance????
please help me...
Joined: 07 Sep 2003 Posts: 2838 Location: Atlanta, GA
Posted: Sat Feb 26, 2005 11:08 pm
Pick a phase and measure it until until it reaches 0V and start a timer. Now move to one of the other phases. Measure it until it reaches 0V and record the time. Now go back to the 1st one that you chose and do the same thing except pick the other phase. Which ever had the lesser time was the next in phase.
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