test

Will 120V 60 Hz elec. device in a 115V 50 Hz country work?

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slave
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03 Jun 2014, 2:24 pm

will it work?
problems?
need someone with Electrical knowledge to elucidate this issue for me

Thanks!!


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TallyMan
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03 Jun 2014, 2:31 pm

Depends on the device, but generally I'd say yes. If the device runs on say 12 V DC via a transformer there wouldn't be a problem with the frequency difference and only a trivial difference in the output voltage of the transformer / rectifier.


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Woodpecker
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03 Jun 2014, 3:03 pm

So what is the gadget ?


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slave
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03 Jun 2014, 3:04 pm

Woodpecker wrote:
So what is the gadget ?


Samsung 10.1 tablet


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TallyMan
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03 Jun 2014, 3:09 pm

So it actually runs on low voltage DC? What does it say on the power supply, its rating is often stamped into the plastic.


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slave
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03 Jun 2014, 3:15 pm

TallyMan wrote:
So it actually runs on low voltage DC? What does it say on the power supply, its rating is often stamped into the plastic.


100-240Vfrequencia 50/60 Hz .35A


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TallyMan
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03 Jun 2014, 3:19 pm

You are in luck. It will work.


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slave
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03 Jun 2014, 3:22 pm

TallyMan wrote:
You are in luck. It will work.


great news!! !

thanks!


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sliqua-jcooter
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03 Jun 2014, 4:42 pm

slave wrote:
TallyMan wrote:
So it actually runs on low voltage DC? What does it say on the power supply, its rating is often stamped into the plastic.


100-240Vfrequencia 50/60 Hz .35A


a) is 115v (Supply Voltage) between 100 and 240v (Device Voltage)? Yes
b) is 50hz (Supply Frequency) either 50 or 60 hz (Frequencies on device)? Yes

If A and B are true, it will work.
If A is true and B is false, it *might* work and it's generally safe to try.
If A is false and B is true, it won't work, and it's very likely you will destroy something by trying.


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slave
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03 Jun 2014, 6:52 pm

sliqua-jcooter wrote:
slave wrote:
TallyMan wrote:
So it actually runs on low voltage DC? What does it say on the power supply, its rating is often stamped into the plastic.


100-240Vfrequencia 50/60 Hz .35A


a) is 115v (Supply Voltage) between 100 and 240v (Device Voltage)? Yes
b) is 50hz (Supply Frequency) either 50 or 60 hz (Frequencies on device)? Yes

If A and B are true, it will work.
If A is true and B is false, it *might* work and it's generally safe to try.
If A is false and B is true, it won't work, and it's very likely you will destroy something by trying.


Supply voltage is supposedly +/- 6% acc. to the Co. involved.

They include this table which I do not understand.

Nominal configuration Minimum Voltage Max. Voltage
115V, 1 phase, 2w, L ? N 109 122
115/230V, 1 phase, 3w, L - N 109 122
115/230V, 1 phase, 3w, L - L 218 244
115/200V, 1 phase, 3w network, L-N 109 122
115/200V, 3 phase, 4w, L - N star 109 122
115/200V, 3 phase, 4w, L - L star 188 212
115/230V, 3 phase, 4w, open delta, L1, L2 - N 109 122
L - L 218 244
L3 - N 188 212
230/400V, 3 phase, 4w network L-N 218 244
L - L 376 424

I find nothing that suggests that their supply frequency varies but idk sh*t.


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sliqua-jcooter
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03 Jun 2014, 10:24 pm

Voltage fluctuates mostly because of voltage drop. Also sometimes if you're hooking up to a generator.

Variation in frequency is called harmonic distortion (THD), and is almost always <0.1%. Basically, unless you already know that you care about THD - you don't care. 99.999% of the time you don't care.

That chart you provided is a list of different ways to hook something up, which makes me really curious what you're plugging this thing into that you're getting these figures from. My guess is a generator?


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LupaLuna
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03 Jun 2014, 10:41 pm

110/115/220/230 no longer exist. everything is now ether 120 or 240. in 3 phase environment. voltages of 208 and 277 still exist. there are several industrial voltage ranging from 380-880 with 415 and 480 being the most common.

There are two different mains frequencies use in the world. 50Hz and 60Hz. the only effect that they have is is that transformers will hum at different pitches. AC induction motor will run at different speeds. For example, A motor that runs at 1800 rpm on 60Hz will run at 1500 rpm on 50Hz. Also, electric clocks will run 10 minutes per hour faster or slower if used on the wrong frequency.



sliqua-jcooter
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03 Jun 2014, 10:44 pm

LupaLuna wrote:
110/115/220/230 no longer exist. everything is now ether 120 or 240. in 3 phase environment. voltages of 208 and 277 still exist. there are several industrial voltage ranging from 380-880 with 415 and 480 being the most common.


This is an international forum, and those voltages absolutely do exist out in the world.

And frequency does matter a great deal in certain classes of devices. It's not just clocks.


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LupaLuna
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03 Jun 2014, 10:50 pm

sliqua-jcooter wrote:
Variation in frequency is called harmonic distortion (THD)


That is false. THD is not changes in frequency. THD measures how much distortion or deformation that there is in the sinewave.



slave
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03 Jun 2014, 10:55 pm

sliqua-jcooter wrote:

That chart you provided is a list of different ways to hook something up, which makes me really curious what you're plugging this thing into that you're getting these figures from. My guess is a generator?


as I mentioned earlier it is a Samsung 10.1 tablet
i got that chart from the relevant power company


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