You need to mitigate more then just the PF. For that matter back in the day before I really understood about THD I use to design and help install PF correcting capacitor systems. What I did not know at the time was that if you don't take the harmonics into consideration just adding capacitors without filters can cause a worse problem for the power distribution system including hurting the PF.
My job is to get engineers to understand the pitfalls of high THD when they design their distribution systems. Depending on where the harmonic generating loads exist, a harmonic filter or transformer should be used. Based on what my company has done for some pretty big Casino companies they all now install filters on the distribution panel that feeds their slot machines. Those puppies are really affected by harmonics.
My job is to get engineers to understand the pitfalls of high THD when they design their distribution systems. Depending on where the harmonic generating loads exist, a harmonic filter or transformer should be used. Based on what my company has done for some pretty big Casino companies they all now install filters on the distribution panel that feeds their slot machines. Those puppies are really affected by harmonics.
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