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and power electronics, the variable-frequency power—
an
intermediate DC link—would become convertible into grid-
conformant rigid 50 Hz. At that time, Aloys Wobben, later carrying
on this technology founding Enercon, was a lab-engineer in the
Institute for Electrical Machines, Traction and Drives founded
in 1920 and led by Professor Weh, who as an emeritus is still
today remaining active in design of electric machines for wind
power.
via
Synchronous multi-pole machine with two E-shaped exciter
magnets at the Technical University Braunschweig, Germany.
Figure 20.1
A further important institute involved in wind energy was
Professor Werner Leonhard's Institute of Control Engineering.
Profiting from the progress in the broad DFG programme for new
electrical drives, micro- and power electronics could straightforwardly
be developed for the 3 MW GROWIAN wind converter—a courageous
step directly to a prototype of the double-fed induction machine,
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