Apparatus for uninterruptedly supplying power including an electrical machine and a flywheel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 3, 2003
Grant Date -
N/A
app pub date -
Apr 6, 2001
filing date -
Oct 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for uninterruptedly supplying power includes an electrical machine including a rotor and being designed and arranged to be connected to a load to be supplied with alternating current. Coupling units include a differential transmission including three input/output shafts. A flywheel is designed and arranged to store kinetic energy and to be connected to the rotor by the coupling units. Control units include a controllable brake and at least one electrical auxiliary machine to be operated as a motor. The electrical auxiliary machine and the controllable brake engage the third input/output shaft. The control units keep the number of rotations of the electrical machine approximately constant when the electrical machine is operated as a generator by kinetic energy being stored in the flywheel. The control units are being designed and arranged to operate the electrical auxiliary machine as a motor to realize a desired final number of rotations of the flywheel during operation of the electrical machine as a motor.
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