laminations, insulation

• To: mail11:; (-at-teslatech)
• Subject: laminations, insulation
• From: pierson-at-gone.enet.dec-dot-com
• Date: Sun, 9 Feb 97 13:09:38 EST
• Cc: pierson-at-gone.enet.dec-dot-com
• Subscriber: pierson-at-gone.enet.dec-dot-com Mon Feb 10 21:58:06 1997

>From my long ago training in 'lectrical engineering:

While, in theory, it is deirable to insulate the laminations, in PRACTICE,
the voltages driving the 'circulating currents'/eddy currents is small, in
the driection across the laminations.  In PRACTICE, the simple fact that each
sheet IS separate is sufficient insulation for practical purposes.

Now this ws manufacturing/design practice based on conentionalish motor
and transformer designs.  It May Be that neon, or stray tesla (lfrf) currents
require explicit insulation.  But i doubt it...

	regards
	dwp

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