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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Power supply
On Wed, 29 Sep 2010 13:41:14 -0500, "Pete C."
wrote: Tim Wescott wrote: On 09/29/2010 09:55 AM, Karl Townsend wrote: Is the part labeled 1 an isolation transformer? If so, should DC- be grounded? Most likely it's a three-phase step up or down transformer. It looks a bit small compared to the diode array, but what do I know? If the leads on the left don't show any conductance to the leads on the right it isolates as well as any step-up or -down. It may be a 1:1 isolation transformer which may help explain it's relatively small size. If it were a step-up or step-down I expect there would be a few voltage taps. It looks more like a 3-phase line reactor. For example: http://www.transcoil.com/Products/InputSide/KLR.htm -- Ned Simmons |
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