System and method for operating a wind farm under high wind speed conditions
AssigneeGeneral Electric Company
InventorsRobert William Delmerico, Mark Edward Cardinal, Kirk Gee Pierce
Life of this patent
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Abstract
A system and method of operating a wind farm, having multiple wind turbine generators, at high wind speeds is provided. Wind speeds at individual wind turbine generators are monitored and a signal is transmitted from the wind turbine generators to a wind farm control system based on the monitored wind speeds. Rate of change of collective power output of the wind farm is temporally monitored and is controlled by coordinating of operational states of the wind turbine generators based upon the signals transmitted by the one or more wind turbine generators, operating conditions of the wind turbine generators and the monitored rate of change of power output of the wind farm.
Claims22
A method for operating a wind farm having a plurality of wind turbine generators, the method comprising:
- monitoring a parameter indicative of wind speed at the wind turbine generators;
- transmitting signals representative of the monitored parameter from one or more of the plurality of wind turbine generators to a wind farm control system;
- monitoring rate of change of power output of the wind farm;
- and
- controlling the rate of change of power output of the wind farm by the wind farm control system via coordinating of operational states of the wind turbine generators based upon the signals transmitted by the one or more wind turbine generators, operating conditions of the wind turbine generators and the monitored rate of change of power output of the wind farm.
A method for controlling rate of change of power produced by a wind farm, comprising:
- determining temporally averaged wind speeds at a plurality of wind turbine generators;
- comparing the temporally averaged wind speeds to a predetermined set point;
- transmitting a shutdown request from one or more of the plurality of wind turbine generators to a wind farm control system when the temporally averaged wind speeds on the one or more wind turbine generators exceed the predetermined set point;
- determining temporally averaged rates of change of power output of the wind farm;
- and
- sequencing shutdown of the one or more wind turbine generators based upon the shutdown requests by the wind farm control system, operating conditions of the wind turbine generators and the temporally averaged rates of change of power output of the wind farm.
A wind farm, comprising:
- a plurality of wind turbine generators operable to supply power to a utility system;
- and
- a wind farm control system configured to receive change of operational state requests from the wind turbine generators based on wind speed on the wind turbine generators and to coordinate operational states of the wind turbine generators based upon the change of operational state requests, operating conditions of the wind turbine generators and a desired rate of change of power output of the wind farm.
A wind farm control system, comprising:
- an interface configured to receive change of operational state requests from a plurality of wind turbine generators and to transmit authorization signals for curtailment of output to the wind turbine generators based upon the requests;
- and
- a processing unit configured to control rate of change of power output of the wind farm by sequencing curtailment of output based on the change of operational state requests received from the plurality of wind turbine generators to coordinate curtailment of output of the wind turbine generators based on operating conditions of the wind turbine generators and monitored rate of change of power output of the wind farm.
At least one computer readable media, comprising:
- code adapted to receive change of operational state requests from one or more of the plurality of wind turbine generators to a wind farm control system when monitored wind speeds on the one or more wind turbine generators exceed a set point;
- code adapted to monitor rate of change of power output of the wind farm;
- and
- code adapted to control rate of change of power output of the wind farm via sequencing of curtailment of output in response to the requests of the wind turbine generators based upon operating conditions of the wind turbine generators and the monitored rate of change of power output of the wind farm.
Dependencies are inferred from the claim text.