What happens if you try to operate a CWA ballast without a capacitor? « on: October 17, 2020, 03:34:38 AM » Author: WorldwideHIDCollectorUSA
I would be interested in knowing what happens to HID bulbs if they are on a CWA ballast that does not have a capacitor?
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.

DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.

	Re: What happens if you try to operate a CWA ballast without a capacitor? « Reply #1 on: October 17, 2020, 04:02:11 AM » Author: dor123
The lamp will be underdriven or fail to start, as CWA uses the capacitor as its ballasting component. This is similar to rapid-start fluorescent ballasts.
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I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

	Re: What happens if you try to operate a CWA ballast without a capacitor? « Reply #2 on: October 17, 2020, 05:19:49 AM » Author: Medved
It will turn it into a kind of HX autotransformer. Definitely they will have lower efficiency (because the reactive power wont be compensated in primary). It depends how exactly is the ballast designed, but most are so they underdrive the lamp (because that is what a short circuit capacitor fault would do; so they wont overheat even with the extra primary loading). But there could be ballasts which may get overheated (mainly the high efficiency ones, using unusually high value capacitor compare to other comon ballast types for the given lamp type)
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No more selfballasted c***