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  #41  
Old 16.07.2015, 18:41
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

You may want a bigger transformer, it depends if the appliance is just a motor or has other power needs (e.g. a hairdryer, only a small part of the power requirement is the motor).

The motor may or may not run slower - it depends if the motor is actually AC itself; 1100 RPM doesn't seem to be viable for 60 Hz (it would imply 6.5 poles), but I have no idea how accurate these info plates have to be.
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  #42  
Old 16.07.2015, 20:28
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

Unless things have changed much recently I believe most electric motors run on DC, at least ones which vary in speed (turn tables, blenders, fan etc.) so even if there is a wall plug (AC) the device converts internally to DC for the motor. Laptops and any consumer electronic device with a power brick can be plugged in with a simple adaptor.
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  #43  
Old 16.07.2015, 21:32
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

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Unless things have changed much recently I believe most electric motors run on DC, at least ones which vary in speed (turn tables, blenders, fan etc.) so even if there is a wall plug (AC) the device converts internally to DC for the motor. Laptops and any consumer electronic device with a power brick can be plugged in with a simple adaptor.

They haven't changed. You're assuming little DC motors are the only motors.

How about:
  • Electric Blenders
  • Electric Mixers
  • Electric drills
  • Electric sanders
  • Electric lawnmowers
  • Electric lawn trimmers
  • Electric power washers
  • Electric sanders
  • Electric vacuum cleaners
  • Electric hair dryers

They all have AC motors.
(and lots of them have variable speed)
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  #44  
Old 16.07.2015, 22:29
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

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They haven't changed. You're assuming little DC motors are the only motors.

How about:
  • Electric Blenders
  • Electric Mixers
  • Electric drills
  • Electric sanders
  • Electric lawnmowers
  • Electric lawn trimmers
  • Electric power washers
  • Electric sanders
  • Electric vacuum cleaners
  • Electric hair dryers

They all have AC motors.
(and lots of them have variable speed)
When I was 10, I built an SCR based speed control for my AC motored drill.

It depends on if the motor is synchronous. Usually not for small motors, but larger ones (like in my friend's US Jacuzzi) are, and the 21% less power was clearly evident. However, even for non synchronus motors, the maximum speed will depend on the line frequency.

Tom
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  #45  
Old 17.07.2015, 15:38
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

Hi newToSwitz, Tom, St2Lemans, everyone

I thank newToSwitz, Tom, St2Lemans and all for your replies which was really helpful.

I do not know how big the motor which is inside this appliance. The whole appliance weighs about 13.5kgs.

I did not realise the difference in the voltage between the US and Switzerland. Having said that I started the machine for the very first time (which might ran for lets say 30secs maximum)placing it on the dining table and I realized that it was making too much of noise so i tried to place it on the floor with the help of an extension box. Then I started once again (which ran for between 30secs and 1 minute) but I smelt burning odor and very little fume then I immediately unplugged(I really do not remember whether I unplugged the machine brutally or switched off normally). Then only I remembered there might be a difference of voltage after which I started looking into the technical details and searched the web.

I would like to whether this machine will still work after getting a proper transformer or else you guys think that the motor is burnt?!

I would like to know the exact transformer to buy, do you have any links from amazon or so? Which are the words to use to search on google in order to get the correct transformer. It might really sound stupid with these questions but honestly I do not want to make one more mistake in buying a wrong transformer :-( with not much knowledge on electrical appliances.

Thank you once again in advance. Await your valuable replies and appreciate already.

Best regards
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  #46  
Old 17.07.2015, 15:50
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

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...I do not know how big the motor which is inside this appliance. The whole appliance weighs about 13.5kgs...I would like to know the exact transformer to buy...
Unless you're doing some sort of top-secret operation, could you perhaps tell us what exactly the appliance is, including brand name? Maybe even upload a photo? It might help to get more relevant replies to fit your needs.
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  #47  
Old 17.07.2015, 16:04
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

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Then I started once again (which ran for between 30secs and 1 minute) but I smelt burning odor and very little fume then I immediately unplugged
Uh, you will need new magic smoke first. Harder to get then brown sugar. Very, very, bad.

As for the transformer/step-down-converter, Tom already told you the minimum spec. If this information is not enough, or you do not know what to do with it, it may be better for all and your own safety to stop right here.
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  #48  
Old 17.07.2015, 16:19
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

Hi 3wishes and aSwissInTheUS

Thank you for your replies and I appreciate them

Best regards
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  #49  
Old 17.07.2015, 22:11
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

I'd go for something like this: http://www.amazon.com/Goldsource-STU.../dp/B0022TL1BE . I've got a larger version that has worked nicely for 3 years now. However, some things, like the vacuum didn't work well enough at 50 hz, and lugging the heavy transformer around behind the vacuum didn't increase my desire to clean. I'd say they are good for short term or occasional use. It does sort of sound like you've already fried your device though - what is it?
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  #50  
Old 18.07.2015, 22:34
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Re: US appliances vs Swiss voltage- a tutorial with pictures!

Hi nassor

Thank you for your reply.

I do not know whether it has got already fried or not :-)

It is a wet grinder and sorry for not writing this info before as I did not even think about it that is necessary for someone to know to help me in finding the right transformer.

Thank you for the link though, sounds like the one that I might order but getting from US(as the website is showing the price in $) then it will cost us more for the shipping and then customs-duty.

Best regards
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