110V/60Hz vs 220/50Hz

inaki

I have a video camera that works on 24VAC/50Hz.
The power supply is a Radio Shack 110V/60Hz to 24VAC.

However, my power supply at home is 220V/50hz.
If I use a transformer from 220V/50Hz to 110V/50Hz, and then I connect there the Radio Shack·power supply, would I have any problem with regards to a real 110V/50Hz.

I mean, the frequency from 50 to 60Hz, in AC, does matter ?



·

SteveW

'I mean, the frequency from 50 to 60Hz, in AC, does matter ?'

Hardly ever, and where transformers are concerned, higher frequency is less likely to cause a problem than the other way (where saturation effects can cause problems).
Go for it.
(bear in mind - if it's an American camera, it's like;y to be NTSC, rather than PAL, if it's analogue)

Steve

LoopyByteloose

These days most devices are interchagible between the 50HZ standard and 60Hz standard as the manufactures don't want to carry extra inventory for both marketplaces. They may make claims and provide warnings to get you to spend more money, but 24VAC 50cycles and 24VAC 60cycles is mostly a marginal difference.· It would show up in the 50cycles requiring a bit larger filter capacitor.

Fear of using generic adaptations is everywhere.

For example, everyone in America sells 'Racing Oil' for automotive engines under different lables and claims that theirs is far better than others. Atop all the cans is the code for 'Military Specification' that is required in order to sell it to the US government. They all have the same wonderful high grade military specification. [noparse][[/noparse]In other words, they all perform the same under the goverment's testing program]. The only problem comes from mixing different brands [noparse][[/noparse]and in some cases different types] due to the chemical makeup [noparse][[/noparse]like graphite] ·and detergents they put in with the oil. The manufacturer's do so to maintain brand loyalty.

Electricity doesn't have the problem of being a 'branded product'. It is very generic and if you can understand the principles, usually you begin to see that the tolerances are usually quite liberal.

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"When all think alike, no one is thinking very much.' - Walter Lippmann (1889-1974)

······································································ Warm regards,····· G. Herzog [noparse][[/noparse]·黃鶴 ]·in Taiwan

Post Edited (Kramer) : 12/24/2005 3:58:18 PM GMT

RDL2004

Can't you just use a 220v/50Hz to 24v/50Hz transformer directly to the camera?

- Rick

LoopyByteloose

I suppose that you could use a direct transformer, but it might be easier and more adaptible to just get a 220 to 110 transformer. It could be used with several devices if others come along.

Of course two transformer is less efficent than one. And, more connections create more chances of wiring problems.

So it is six of one, a half dozen of the other.

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
"When all think alike, no one is thinking very much.' - Walter Lippmann (1889-1974)

······································································ Warm regards,····· G. Herzog [noparse][[/noparse]·黃鶴 ]·in Taiwan

inaki

The question is why the camera uses 24VAC instead of using 24VDC. The camera is NTSC so, if I am not wrong, it will generate a 60Hz video signal. My concern is if·the use of VAC instead of VDC would not be related to the use of 60Hz as input for generating the 60Hz frame.
If not, which would be the reason to use a 24VAC for a camera instead of using DC ?

By the way, the camera is·labeled as 24VAC,·but there is no indication of frequency.

The reason I asked about using a 220VAC to 110VAC/50Hz··transformer is that this one is much more easy to find that the 220VAC to 24VAC.



Post Edited (inaki) : 12/28/2005 1:26:53 PM GMT