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I have a drilling machine bought in England which I want to use in Japan. I believe I will need some kind of inverter. Suggestions for the cheapest way to do this?

  • Are you sure you mean "100V"? – Daniel Griscom Mar 18 '16 at 11:50
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    Japan has 2 pin 100V similar to 2 wire outlets of old in the U.S. depending where you are the frequency is 50Hz eastern / northern, 60Hz southern and both in some areas. – Ed Beal Mar 18 '16 at 14:03
  • Would it be possible to do 100V the way you would do 220V in the US? For 110V, we have a hot and neutral. For 220v, we use 2 hots on opposite phases. I do not know if 200V will be sufficient for your tool. Is there a transformer in the drill that could be replaced? These would be more permanent solutions, not sure how permanent your solution needs to be. – rpmerf Mar 18 '16 at 14:40
  • @rpmperf: 200V is outside the normal +10%/-6% tolerance for UK "230V" appliances = 216 - 253 VAC. – RedGrittyBrick Mar 18 '16 at 17:22
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Most motors will run on 50 & 60 Hz so you need a step up transformer to run a 230v tool on 100. Here is step up/down. You will need one large enough to handle the wattage of your drilling machine. When I searched step up transformer there were some as high as 2000W. These get more expensive as the wattage increases. If you go with a step up transformer make sure to get a larger one than you need by at least 10% and 20-30% if you will be using it for long periods of time as they get hot when over loaded.

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    I read it backwards will adjust my answer. – Ed Beal Mar 18 '16 at 13:21

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