Rapid active power control method and system for wind power plant
A technology of active power and control method, which is applied in the field of fast active power control method and control system of wind farms, can solve problems such as long collector lines, achieve automatic compensation of wind farm network loss, avoid large manual adjustment errors, and quickly and accurately adjust Effect
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Embodiment 1
[0038] Below, the embodiment of the present invention will be described in detail in conjunction with the accompanying drawings,
[0039] like figure 1 As shown, the first embodiment of the present invention provides a fast active power control method for a wind farm, the method includes receiving a dispatch instruction;
[0040] Obtain the measured value of the grid-connected point;
[0041] Calculate the deviation based on the dispatching instruction and the measured value of the grid-connected point, and judge whether to start the active power closed-loop control;
[0042] If it is started, the active power to be output is obtained based on the measured value of the grid-connected point and the scheduling command; otherwise, the scheduling command is directly output to the AGC system of the wind farm;
[0043] The active power output of multiple wind turbines is controlled based on the active power that needs to be output.
[0044] In the embodiment provided by the prese...
Embodiment 2
[0055] like figure 2 As shown, based on the same inventive concept, the second embodiment of the present invention provides a fast active power control system for wind farms. The system includes:
[0056] The AGC server 2 is configured to receive a scheduling instruction; obtain a measured value of a grid-connected point;
[0057] Based on the dispatching instruction and the measured value of the grid-connected point, it is judged whether to start the active power closed-loop control;
[0058] If activated, the active power to be output is obtained based on the measured value of the grid-connected point and the dispatching command;
[0059] The active power output of multiple wind turbines 7 is controlled based on the required output active power.
[0060] The system also includes a remote control host 1 , an EI collector 3 , a first switch 4 , an energy management platform 5 and a second switch 6 . The EI collector 3 collects the measured value of the grid-connected point...
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