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Capacitive ballast

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LAN_403

Dr. Dark Current

Tue Sept 18 2007, 06:11PM

Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384

Is it ok to capacitively ballast [current limit] a transformer (on the primary side) if I stay away from resonance?

Marko

Wed Sept 19 2007, 06:16PM

Registered Member #89 Joined: Thu Feb 09 2006, 02:40PM
Location: Zadar, Croatia
Posts: 3145

I think it has been done, but I can't find any good enough links.

Cap should work as long as it is fairly higher-than resonant; in that case you'l have capacitive reactance into mains.

What transformer are you using it for? Capacitive ballast will have poor cost efficiency over inductive ballast for any higher power levels.

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