Date: Around 1993
Is there a registry or professional organization (such as the
American Manufacturer's Association) of firms using or producing photovoltaics
or high-efficiency motors?
I do not know if there is a registry of users, but at least in
the high efficiency motor field, look up a magazine called MOTION. While it
deals mostly with high performance servo loops, the motors used are also
necessarily high efficiency. There are several manufacturers of high-
efficiency motors, most of which use Sum-Cobalt or Neo-Iron materials. Check
the Thomas Registers for Servo motor manufacturers.
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Update: June 2012