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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Mains Suppression caps posted by Aurum on January 30, 2007 at 01:04:00:
The line-ground caps admit charging current that can upset ground fault interrupters, so they are only made in small sizes.I don't like the effects of straight capacitors in these applications. I've found that series R-C networks, where R is about 120 ohms, work better. The resistor should be flame-proof or mounted in a location where it will not start a fire if the capacitor should fail to a short.
I also don't like to couple line noise to the safety-earth wiring. You may want to evaluate the effects of line-ground filters before committing to them permanently.
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Follow Ups
- You can only find small ones. - Al Sekela 10:42:41 01/30/07 (4)
- Re: You can only find small ones. - Frank25 21:03:41 01/30/07 (3)
- Yes, but you want to bypass with smaller caps. - Al Sekela 13:00:34 01/31/07 (2)
- Re: Yes, but you want to bypass with smaller caps. - Aurum 19:34:33 01/31/07 (1)
- Half-watt is fine for up to 1 microfarad. - Al Sekela 14:02:57 02/01/07 (0)
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