A fault crossing control method for wind farm based on synchronous camera
A technology of fault ride-through and control method, applied in wind power generation, electrical components, circuit devices, etc., can solve the problems of high cost, high cost, and difficult to realize, and achieve the effect of improving stability, saving cost and reducing construction cost.
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[0030] In order to verify the effectiveness of the solution of the present invention, the following simulation experiments are carried out.
[0031] The wind farm in this embodiment is composed of a doubly-fed asynchronous wind generator and a permanent magnet synchronous wind generator. The total capacity is to generate a total power of 5MW, the rated voltage of the grid connection point is 20kV, a fault occurs in 1s, and the fault ends in 1.625s. The voltage comparison of the grid-connected point without adding a synchronous condenser and adding a synchronous condenser and using the present invention to control is shown in the figure Figure 5 As shown, it can be seen that when the voltage at the grid-connection point drops by more than 0.1pu and lasts for 0.05s, the synchronous condenser starts, outputs reactive power to the grid-connection point, and pulls the voltage of the grid-connection point to near the rated value. When the fault is over, the synchronous The condense...
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