Electricity: single generator systems – Automatic control of generator or driving means – Antihunting or rate of change
Reexamination Certificate
2006-05-05
2008-09-09
Schuberg, Darren (Department: 2834)
Electricity: single generator systems
Automatic control of generator or driving means
Antihunting or rate of change
Reexamination Certificate
active
07423411
ABSTRACT:
A resistive torsional mode damping system for a shaft of a machine includes: a sensor configured for sensing a signal representative of torque on the shaft; a controller configured for using the sensed signal for detecting a presence of a torsional vibration on the shaft corresponding to a natural frequency of the shaft and for generating control signals for damping the torsional vibration; and a damper including a damping converter and resistor coupled to a DC output of the damping converter, the damping converter being coupled to the machine through a power bus and having a power rating on the order of less than or equal to about five percent of a nominal power of the machine.
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Agosti Ann M.
Cuevas Pedro J
General Electric Company
Schuberg Darren
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