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Harmonic FAQs

63 - Why does my harmonic current increase when I add an active harmonic filter?

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Why does my harmonic current increase when I add an active harmonic filter?

 

70 - What is the difference between IEEE 519 of 2022 vs previous standard?

What are the differences between the IEEE519 harmonic standard and previous standards?
 

62 - Do I need to specify a 200% neutral on my panelboard and transformer if I have a lot of harmonics?

Do I need to specify a 200% neutral on my panelboard and transformer if I have a lot of harmonics?
 

69 - What is the point of common coupling (PCC)?

What is the point of common coupling or PCC?
 

67 - When do you need a harmonics study?

When do I need a harmonic study?
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