Hi,
I think either cap series is acceptable - this is a very non-critical
application, given the relatively short run-times involved. It's not like
it on a rooftop in an air conditioning unit running 24/7. But I think the
25uF value is too low; for a 15/30 NST at 120VAC/60Hz you want something
like 120uF. For 240/50 it's less, not sure how much. But again, this is a
fuzzy target - there's not a sharp sweet-spot.
For line filters, I think most folks just use whatever they find on the
surplus market. I put up a web page about how to hook up EMI filters - it
may not be obvious in which direction to hook them up! See
http://www.laushaus.com/tesla/emifilter.htm
Regards, Gary Lau
MA, USA
On Fri, Apr 24, 2015 at 3:08 PM, Ayush Sharma <ayushsharma3210@xxxxxxxxx>
wrote:
> Hey
>
> Thanks to all the people helping out in my previous queries. Here's another
> question out to all you folks.
> While searching for a PFC Capacitor for my SGTC (15kV, 30mA) of rating
> around 25uF, I am confused about whether it is acceptable to use motor run
> capacitors made by companies like EPCOS listed here (
>
> http://en.tdk.eu/tdk-en/529468/products/product-catalog/film-capacitors/ac-film-capacitors
> ) or focus on the dedicated Power Factor Correction capacitors made by them
> listed here (
>
> http://en.tdk.eu/tdk-en/530264/products/product-catalog/components-for-power-factor-correction/phasecap--premium-capacitors
> ).
>
> I am able to procure the AC film capacitors (for motor run) pretty easily
> in local shops, but am having a hard time locating the other type.
> Has anybody previously used the EPCOS B323 seris of Motor run capacitors
> successfully?
>
> Also, on a related note, any suggestions as to what kind of a Line Filter
> should i be looking at (Power supply is 240Volts, 50Hz).
>
> Regards
> Ayush Sharma
> ᐧ
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