|By Darryl Vleeming on Monday, March 18, 2002 - 1:14 pm:|
|By Cecil Berry on Monday, March 18, 2002 - 4:37 pm:|
Darryl, I was hoping that Dan would answer this question (and he may still). I'm an EE and my guess is that the chargers you have should be fine because they are converting to DC, a transformer does not really care about the frequency and the output is regulated so it wouldn't care about the line voltage. I realize that's not a satisfactory answer, what you could do is get a small volt meter and measure the output before you connect your camera or laptop. Radio Shack makes a tiny digital meter that only costs around $10 and wouldn't take any room, at least then you would know for sure. If you measure the output then you can be assured that it will not damage your equipment.
|By Linnea Wijkhof-Wimberly on Monday, March 18, 2002 - 5:19 pm:|
I don't use a converter for my battery charger, but I have seen warnings that 50 cycles will cause overheating of the unit. I normally charge for no more than 2 hours and then let the charger cool off for an hour, then repeat until I have a full charge on the batteries.
|By Ernie Bauer on Monday, March 18, 2002 - 8:24 pm:|
Most laptop power supplies and battery chargers have a "universal input". That is, they accept input voltages from 100 to 240 VAC, 50-60 Hz. It should be printed on the label for the device. The regulatory agencies usually make them test +/-10% of these values so that gives you an additional margin. On my last trip I used a piece of equipment that was rated 120 VAC. I gambled that the extra 7 volts in Bonaire would be within the safety margin. I got away with it but I would not recommend it especially since 127 VAC is nominal and it may rise above this value. I wished I had brought a cheap volt meter as mentioned above. Anyway, check the input voltage on the label for your equipment, itís probably fine. One more thing, in general power in places like Bonaire is not well behaved. There are often line transients, surges, and dropouts. I have not had a problem but I leave devices connected to the AC line only while necessary.
|By Jake Richter - NetTech on Monday, March 18, 2002 - 10:41 pm:|
Ernie's got it right. For anything which is rated only for 110V/60Hz, you'll want to use a transformer to drop the voltage to around 105V/50Hz (transformers to switch frequency are not common - usually involves converting AC to DC and then using an inverter to convert DC back to AC at the different frequency and voltage). In our house we have transformers everywhere...
|By Beth Comeau on Tuesday, March 19, 2002 - 2:37 am:|
Just to add to Jake's comment. We bring a transformer as well. I bougth it online from Magellan's.
|By Darryl Vleeming on Tuesday, March 19, 2002 - 12:17 pm:|
|By Linda Richter - NetTech on Tuesday, March 19, 2002 - 12:22 pm:|
Generally, we have standard US plugs.
|By Glen Reem on Tuesday, March 19, 2002 - 12:58 pm:|
In the past, Bonaire power has been notorious for voltage spikes, especially when the plant went down which was frequently. Jake may want to comment on using a small spike protector for sensitive/expensive devices.
|By Linda Richter - NetTech on Tuesday, March 19, 2002 - 2:28 pm:|
Or lack of power.
|By Jake Richter - NetTech on Tuesday, March 19, 2002 - 3:13 pm:|
And thank heavens for all the UPSes we have in our house - only house in the neighborhood which has a working TV during a power outage :-)
|By Abigail Wilkinson on Tuesday, March 19, 2002 - 3:18 pm:|
|By Darryl Vleeming on Tuesday, March 19, 2002 - 3:47 pm:|
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