Automationdirect.com Stellar SR44, User Manual

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3–21
3.6 – Power Factor Conversion Chart
Parameter 20 is the reference power factor that the SR44 computes during the start. Parameter 21
is the present power factor of the load. The keypad display shows each of these parameters in
angular degrees.
The table below can be used to convert this value (
q
, in degrees) to the power factor (cos
q
).
Power Factor Conversion Chart
Degrees
Power
Factor
Degrees
Power
Factor
Degrees
Power
Factor
0 1.00 30 0.87 60 0.50
1 1.00 31 0.86 61 0.48
2 1.00 32 0.85 62 0.47
3 1.00 33 0.84 63 0.45
4 1.00 34 0.83 64 0.44
5 1.00 35 0.82 65 0.42
6 0.99 36 0.81 66 0.41
7 0.99 37 0.80 67 0.39
8 0.99 38 0.79 68 0.37
9 0.99 39 0.78 69 0.36
10 0.98 40 0.77 70 0.34
11 0.98 41 0.75 71 0.33
12 0.98 42 0.74 72 0.31
13 0.97 43 0.73 73 0.29
14 0.97 44 0.72 74 0.28
15 0.97 45 0.71 75 0.26
16 0.96 46 0.69 76 0.24
17 0.96 47 0.68 77 0.22
18 0.95 48 0.67 78 0.21
19 0.95 49 0.66 79 0.19
20 0.94 50 0.64 80 0.17
21 0.93 51 0.63 81 0.16
22 0.93 52 0.62 82 0.14
23 0.92 53 0.60 83 0.12
24 0.91 54 0.59 84 0.10
25 0.91 55 0.57 85 0.09
26 0.90 56 0.56 86 0.07
27 0.89 57 0.54 87 0.05
28 0.88 58 0.53 88 0.03
29 0.87 59 0.52 89 0.02
Chapter 3: Applications
SR44 Series Soft Starter User Manual
1st Ed, Rev B 07/31/2019