ABSTRACT
INTRODUCTION
PROCEDURES
CALCULATIONS AND LAB REPORT
R load
Measured
RMS
voltage
Vrms
R=40 Ω V=39.43 v
R=60 Ω V=39.53 v
R=80 Ω V=39.52 v
RL load L=
200 mH
R=10 Ω V=102.42
v
R=30 Ω V=102.74
v
R=50 Ω V=102.54
v
RC load C =
40x10^-6
F
R=10 Ω V=60.057
v
R=30 Ω V=59.557
v
R=50 Ω V=59.75 v
Measured
RMS
current
Irms
I=0.9 A
I=0.6 A
I=0.45 A
Measured
Average
power
P
P=32.8 w
P=22.9 w
P=16.9 w
Measure
pf
Calculated
Pf
P/VI
Pf=1.0
pf=1.0
Pf=1.0
I=0.9 A
P=90.9 w
I=0.84 A
Load
RL load
R=10
R=30
R=50
RC load
R=10
R=30
R=50
% error
Pf=0.92
Pf=0.97
Pf=0.95
Theoretical
pf
Pf =
cos(theta)
1
1
1
Pf=0.23
Pf=0.99
0.9935
21.25%
P=85.9 w
pf=0.39
Pf=0.995
0.999
17.98%
I=0.78 A
P=78.6 w
Pf=0.59
Pf=0.98
0.999
22.37%
I=0.9 A
P=51.4 w
Pf=0.07
Pf=0.95
0.14
9.79%
I=0.8 A
P=46.6 w
pf=0.36
Pf=0.98
0.412
4.82%
I=0.68 A
P=39.5 w
Pf=0.55
Pf=0.97
0.602
0.26%
Measured
Papp
Measured
pf
Measured
angle
Theoretical Reactive
angle
power Q
Complex
power S
% error
92.178w
86.3 w
79.97 w
Pf=0.23
pf=0.39
pf=0.59
76.70
67.04°
53.84°
82.4°
68.57°
55.48°
89.7
79.46
54.57°
+j
+j
+j
1.34%
0.25%
0.11%
54.05 w
47.65 w
40.63 w
Pf=0.07
Pf=0.36
Pf=0.55
85.99°
68.90°
56.63°
-81.9°
-65.77°
-52.03°
53.92
44.46
33.93
-j
-j
-j
0%
0%
0.33%
21.25%
17.98%
22.37%
C = 0 uF
C = 5 uF
C = 10 uF
C = 15 uF
C = 20 uF
C = 25 uF
C = 30 uF
C = 35 uF
C = 40 uF
C minimum =
20
RSM
voltage
116.03
117.21
116.45
116.75
116.82
116.55
116.85
116.99
116.95
RMS
current
0.9
0.69
0.48
0.32
0.28
0.39
0.56
0.76
0.98
AVG power
102.9
79.4
55.3
36.9
32.3
45.0
66.0
87.9
113.3
Power
0.39factor
0.39
0.49
0.65
0.92
0.97
0.66
0.43
0.31
0.23
Calculated Error
pf