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converting from hid to elc? |
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shagnasty 
Old Croc 
Joined: 30 July 2007 Location: Guildford, UK Status: Offline Points: 7683 |
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 Posted: 27 September 2011 at 11:39pm |
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And there in lies another point, I didn't realise they were plastic, a 150W HID outputs about 120W of heat, a 250W halogen offers a Heathly 230W of heat, me thinks in addition to a large 240>24V tranny you are gonna need a SERIOUS upgrade to the cooling topology...
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kedwardsleisure
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Joined: 20 January 2009 Location: Staffordshire Status: Offline Points: 5157 |
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Posted: 27 September 2011 at 11:46pm |
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Cheap things to buy but dear to run
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Kevin
North Staffordshire |
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mickylad
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Joined: 26 June 2013 Status: Offline Points: 1 |
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Posted: 26 June 2013 at 11:43am |
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Hi all new here, but this is the only article ive found on this subject so sorry to drag up old old old posts, but wondering f any one can help me with the same problem the op was having.
same problem, different scenario... we have 6 imoves, 2 elc, 4 HIDs the hid bulbs last for around a month which with the nights were open puts their life span at around 40 hours. the heads are on the ceiling and never disturbed unless its for them to be cleaned i cannot comment on the life span of the elcs, as they haven't been up since i worked here, but the price difference in lamps is night and day, so my questions are: 1. why are our hids blowing so often, and when i say blowing, sometimes the bulb actually explodes 2. how would we go about converting these to elc, i have read what was said but if some one could recommend a good transformer that'd be great. if none of these are feasible its looking like we've got 4 lights that are as good as junk :'( Please Help!! |
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djeddie
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Joined: 26 April 2004 Location: Bristol Status: Offline Points: 4125 |
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Posted: 26 June 2013 at 8:43pm |
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With regards to question 1, I would get the mains voltage inspected to make sure it's not spiking, dropping out, over voltage and that kind of thing. Also check the mains plugs and connectors to see if there's any sign of arcing or over-heating.
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Chas n Dave : it's like Drum and Bass but with beards. E=mc² ±3dB
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shagnasty
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Joined: 30 July 2007 Location: Guildford, UK Status: Offline Points: 7683 |
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Posted: 27 June 2013 at 1:17am |
HID uses a ballast (big inductor) and an ignitor (generate ignition pulse to ionise gas in lamp and then lets the ballast control power to lamp) it should also have a PFC cap, not required for operation but makes the whole thing a lot more mains friendly. To convert to a tungsten lamp you would need to remove PFC, Ballast and ignitor, replave with a 240 >24V 250 transformer. If you have both variants just compare and order spares to suit. If you are not a competent electrical engineer look at not doing this yourself! Check Fans/cooling the ELC maybe a lot dimmer but it also makes a LOT more heat!!!!  |
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mickylad wrote: