[time-nuts] HP and other equipment failure

Jim Lux jimlux at earthlink.net
Tue Jun 18 04:43:36 UTC 2013


On 6/17/13 10:39 AM, Poul-Henning Kamp wrote:
> In message <51BF15A8.40803 at earthlink.net>, Jim Lux writes:
>
>> The issue also arises with fluorescent [...]
>>
>>   As folks transitioned to the newer ballasts, the non-sinusoidal
>> current problem probably got worse.
>
> I don't know about US, but in EU they must have PFC correction, and
> the ones I've seen do, because the PFC circuit makes for a neat way
> to ignite the tube first time.

They do now, in the US, but I'll bet the first ones on the market did not.





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