Típico Fator de Potência

Average Power Factor values for the most commonly used plant, equipment and appearances:

plant and appliances	cos φ	tan φ
induction motor - loaded at 0%	0.17	2.80
induction motor - loaded at 25%	0.55	1.52
induction motor - loaded at 50%	0.73	0.94
induction motor - loaded at 75%	0.80	0.75
induction motor - loaded at 100%	0.85	0.62
lamps incandescent	1.0	0
lamps fluorescent (uncompensated)	0.5	1.73
lamps fluorescent (compensated)	0.93	0.39
lamps discharge	0.4 to 0.6	2.29 to 1.33
oven resistance elements	1.0	0
oven induction heating (compensated)	0.85	0.62
oven dielectric heating	0.85	0.62
resistance type soldering machines	0.8 to 0.9	0.75 to 0.48
arc-welding fixed 1-phase	0.5	1.73
arc-welding motor-generator set	0.7 to 0.9	1.02 to 0.48
arc-welding transformer-rectifier set	0.7 to 0.8	1.02 to 0.75
arc furnace	0.8	0.75

Source: Groupe Schneider - Electrical installation guide 
(According to IEC International Standards), 1996

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