Tuesday, June 2, 2015

Day 23 05/26/2015 (Missed day the only day miss the class...) ( Data from classmate)


Today they supplied the AC supply to a resistor in series to inductor and resistor.
They do this lab to show the use of apparent power and power factor to quantify the AC power delivers to the load.


They first detail list all the components and the result of their pre-lab
The result of their resistance in series is changed each time.

10 ohm


47 ohm.


1000 ohm


Circuit.

This lab new required to include a capacitor in parallel with load. This can get the voltage being measured to be more in phase.

10Ω

47Ω

100Ω

This lab I learned the apparent power and power factor. we can see that the power is product the rms values of voltage and current and is in unit of voltage amperes. I see the power are cosine phase different between voltage and current. No cosine seems to be found. This lab kind help me able to calculate th AC power delivers to the load. 

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