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Hi,
John Howell who has managed the forum for years is getting on and wishes to retire from the role of managing it.
Over the years, he has managed the forum through good days and bad days and he has always been fair.
He has managed to bring his passion for fish keeping to the forum and keep it going for so long.
I wish to thank John for his hard work in keeping the forum going.
With John wishing to "retire" from the role of managing the forum and the forum receiving very little traffic, I think we must agree that forum has come to a natural conclusion and it's time to put it to rest.
I am proposing that the forum be made read-only from March 2022 onwards and that no new users or content be created. The website is still registered for several more years, so the content will still be accessible but no new topics or replies will be allowed.
If there is interest from the ITFS or other fish keeping clubs, we may redirect traffic to them or to a Facebook group but will not actively manage it.
I'd like to thank everyone over the years who helped with forum, posted a reply, started a new topic, ask a question and helped a newbie in fish keeping. And thank you to the sponsors who helped us along the away. Hopefully it made the hobby stronger.
I'd especially like to thank John Howell and Valerie Rousseau for all of their contributions, without them the forum would have never been has successful.
Thank you
Darragh Sherwin
Electrical Question
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stretnik (stretnik)
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18 Dec 2010 12:24 #1
by stretnik (stretnik)
To the Electrically minded out there,
I have decided to take two twin Aqua Ray 500's to Canada with me, my question is, will they work there? I know that unless you get a Converter for stuff bought in continental USA in order for it to work here ( Ireland ) as you're going from a lower Voltage to a higher one here but will they work if I am going from a higher one to a lower one?
Computer equipment works in either Country because of the Tranny and other stuff like Ipods & Iphones work too. The transformers have removable power cords so that isn't a problem, I can buy a clover leaf two pin for Canada.
Kev.
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18 Dec 2010 13:04 #2
by igmillichip (ian millichip)
is there a frequency difference as well between canada and here?
Irish Tropical Fish Society (ITFS) Member.
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stretnik (stretnik)
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18 Dec 2010 13:11 #3
by stretnik (stretnik)
Not sure Ian, but, I bought my Sister an Iomega media player and all she had to do was buy a figure 8 power cord and it worked flawlessly.
Kev.
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18 Dec 2010 13:31 #4
by murph (Tony Murphy)
Hi Kev,
The psu for the LED's should state if they are multi-voltage, i.e. 100-240vac somewhere on them. Most properly designed psu's will do this these days. You will not blow anything up by trying them on 110v. (Have you got a site transformer (yellow bucket) at work you could use?).
B.t.w., Ian is correct. North american mains is 60Hz. It can cause problems with some gear. Motors will run too fast. Some analogue transformers will run too hot/output too low a voltage.It is not a problem for digital psu's.
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stretnik (stretnik)
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18 Dec 2010 13:56 #5
by stretnik (stretnik)
Thanks a mil for that, I knew the Irish Educational system wasn't a total failure.
Thanks so much for the info, I do have one in work and If my memory serves me, outside in the Garage too, cheers.
Kev.
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18 Dec 2010 14:18 #6
by igmillichip (ian millichip)
I'm not familiar with the ins and outs of that lighting system.
I would be cautious of any system that has a ballast or any internal 'trigger' (eg proportional dimming etc) system based upon frequency (I would be a bit stumped with my high output mercury vapour lamps and thermostats being all controlled by trigger frequency).
But the LED system may well be somewhat immune from frequency.
I understand that some of the > 110v transformers are noisy (from what people complain about)....but does that make any different compared to a fish-tank-bubble?
Irish Tropical Fish Society (ITFS) Member.
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18 Dec 2010 18:56 #7
by murph (Tony Murphy)
Hi Ian,
Yes, mains frequency will have an effect on inductively ballasted things like mercury vapour lamps. I think your proportional heating may be quite immune to it, though.
The led driver/psu would operate in the kHz region and would derive its timing from a resistor/capacitor network (or possibly from an inductive element). Mains frequency should not be an issue with it.
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