Sep 5, 2014 #1 B billouris Newbie level 3 Joined Aug 28, 2014 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 25 Hello guys and gals. I opened up a UPS the other day and i found a toroidal transformer that had only 3 wires. i would appreciate some help on how to wire it. The transformer was plugged in the board . No wires from the mains.
Hello guys and gals. I opened up a UPS the other day and i found a toroidal transformer that had only 3 wires. i would appreciate some help on how to wire it. The transformer was plugged in the board . No wires from the mains.
Sep 5, 2014 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,413 Helped 14,749 Reputation 29,780 Reaction score 14,097 Trophy points 1,393 Location Bochum, Germany Activity points 298,068 If you review the connection to other parts of the UPS, you have good chances to understand it's purpose.
If you review the connection to other parts of the UPS, you have good chances to understand it's purpose.
Sep 6, 2014 #3 B billouris Newbie level 3 Joined Aug 28, 2014 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 25 thanks. i did figure it out. its an auto transformer. thanks for the inspiration : p