System and method for controlling a turbine blade
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United States of America Patent
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Oct 21, 2014
Grant Date -
Feb 24, 2011
app pub date -
Oct 31, 2008
filing date -
Nov 1, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A control system for a turbine blade, including: an operational control element for generating and outputting an operational control signal, the operational control signal for non-emergency operation of a motor for controlling pitch of the turbine blade; an emergency control element, separate from and different from the operational control element, for generating and outputting an emergency control signal for emergency operation of the motor; and, an output stage element for receiving the operational and emergency control signals and for selecting one of the operational or emergency control signals, and with a means for receiving power for operation of the motor and with a means for providing the received power to the motor according to the selected operational or emergency control signal.
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