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Author Topic: Looking for a graph or info on CFL energy use when the switch is first turned on?  (Read 382 times)
domomonkey2000
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« on: May 28, 2011, 01:07:27 PM »

I have seen it in the past, how when the switch is first turned on for a CFL bulb the initial energy spike it a lot higher than the normal running usage.  It happens in the fist couple of cycles, it spikes up then comes right back down.  Does anyone have a link to any sites that discuss this?  I am not looking for the easy to find sites such as the savings over the years and all that but an electrical discussion on how the lights have a small spike right at the start when compared to the constant electrical use of an incandescent.
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VShade
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« Reply #1 on: May 28, 2011, 04:18:18 PM »

Keebler, P.F.; Gilleskie, R.; , "In-rush currents of electronic ballasts and compact fluorescent lamps affect lighting controls," Industry Applications Conference, 1996. Thirty-First IAS Annual Meeting, IAS '96., Conference Record of the 1996 IEEE , vol.4, no., pp.2201-2208 vol.4, 6-10 Oct 1996
doi: 10.1109/IAS.1996.563880
Abstract: The initial in-rush current drawn by many electronic loads during startup can be relatively large compared to nonelectronic loads. This is particularly true for electronic ballasts and compact fluorescent lamps because they are usually banked together and simultaneously switched on. The resulting in-rush of current may cause the lighting controls-such as occupancy sensors, toggle switches, energy management systems (EMS), and other relay-based equipment-to wear out and fail. This paper presents test results of in-rush currents and their effect on typical lighting controls for individual and banked electronic ballasts and compact fluorescent lamps. The paper also briefly discusses the effect of these in-rush currents on typical lighting controls and some mitigating measures
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=563880&isnumber=12207

More added:
http://soa.asee.org/paper/conference/paper-view.cfm?id=12365
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