Reactive compensation and vector control method for doubly-fed wind turbine generator
A doubly-fed wind turbine, vector control technology, applied in wind power generation, flexible AC transmission system, single-network parallel feeding arrangement, etc., can solve problems such as power grid voltage drop, impact, and influence on voltage stability
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[0090] The invention discloses a method for reactive power compensation and vector control of a doubly-fed wind power generating set, specifically a method for changing the grid-side converter by analyzing the entire transient process of the doubly-fed wind power generating set from the beginning of the power grid voltage drop to the fault removal The control method, considering the transient characteristics of the stator flux linkage during the voltage drop, the rotor side converter adds the stator flux change item caused by the voltage drop on the basis of the traditional vector control method, and compensates the reactive power demand of the wind farm grid connection point , can stabilize the reactive power fluctuation of the grid-connected point and relieve the reactive power pressure of the grid.
[0091] The STATCOM mentioned in this invention is the English abbreviation of Static Synchronous Compensator, Static Synchronous Compensator, referred to as STATCOM, is the repr...
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