I have a question or perhaps more of request for information and or suggestions please from those who know electronics more than I do.
My Issue at hand:
I need an adjustable constant AC current source to simulate the secondary of an energized hotspot CT to verify the winding temperature...
Gentlemen,
Do any of you recall a paper put out by Mr. R. E. Uptegraff back in the late 70's or early 80's concerning the source of gassing in small distribution type units being related to the location of the core ground connection. He was very active in the IEEE during these years. He also...
Would any of you gentlemen have, can post or know where to locate the circuit diagram for that transformer demagnetizing setup I beleive Doble put out a while back.
If memory serves, it had a manual transfer type switch (400A?), a resistor, a shunt and an analog DC meter. It also used two car...
