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  1. #1
    Join Date
    Jun 2005
    Posts
    104

    Transformer Voltage

    I have a '95 Romi/Bridgeport EZ Path and I have had some minor issues with some of the electronics. Nothing major. Upon checking some of the supply voltages I noticed that the output voltages at the transformers is checking high. This machine has a 480V step-up transformer (230 ---> 480). My output voltage from my 480V transformer is checking about 515V. My incoming service voltage is 245-247V Phase to Phase. Output voltage from the 110V transformer in the cabinet is about 132V. The taps on the transformer in the cabinet where the 480V comes in is using the taps for 460V. There is another tap configuration for 490V. Can anyone provide some input? I can't find any literature on this transformer. Apparently it is Brazilian. It's a Waltec R52266B.

  2. #2
    Join Date
    Sep 2015
    Posts
    24
    Any progress with the lathe?
    Im going through the same thing right now.
    Im trying to power my 1995 ez path with a 10 hp rpc just to test before buying a 15 or 20 hp rpc.
    I wired the big built in transformer under tailstock for 230 in 460v out but not sure what else is needed to do?
    Any help would be greatly appreciated.

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