Multi-machine Coordinated Control Method for Subsynchronous Oscillation Suppressor in Wind Farm
A sub-synchronous oscillation and synchronous oscillation technology, applied in the direction of reducing/preventing power oscillation, electrical components, circuit devices, etc., can solve the problem of affecting the stability of wind power generation systems, wind turbine off-grid, oscillation and wind farm power generation, wind speed does not appear There are obvious regularity and other problems, to achieve the effect of easy project scale expansion, reduce actions, and solve the problem of subsynchronous oscillation
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[0037] The present invention will be described below in conjunction with the accompanying drawings and examples.
[0038] The present invention proposes a multi-machine coordinated control method for a sub-synchronous oscillation suppressor, which connects the comprehensive monitoring device and the sub-synchronous oscillation suppressors distributed in various wind farms in the area through a wireless network (3G network or an existing wireless network at the project site), And can remotely access the comprehensive monitoring device through the Internet, such as figure 1 Shown is the composition diagram of the multi-machine coordinated control system.
[0039] Use the suppressors installed in each wind farm to collect the voltage and current signals at the monitoring points, obtain the required data through the AD data acquisition and correction link and signal filtering link of the suppressor, and then analyze the current flowing into the power grid through the subsynchronou...
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