Active Harmonic Filter

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tom baker

First Chief Moderator
Staff member
I have a facility with a Staco-Sine Active harmonic filter that has failed.
http://www.stacoenergy.com/products...s/active-harmonic-filters/stacosine-plus.html

What this device does is reduce the harmonics. it hung on the wall for 4 years and died.
Customer support is very poor. I suspect we will have to replace the entire unit.
And we are not really sure if we need it, it came with the building and it was probably part of the boiler plate specs

Has anyone used a different brand of harmonic filter they can recommend?
 

ron

Senior Member
I've used many active and passive when absolutely needed.

With European harmonic limitations for individual equipment (as opposed to the service entrance limit [PCC] limit in the US), most equipment has had their power supplies cleaned up significantly, so often not needed any more.

We don't do oversized neutrals anymore for that reason.
 
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