Double-fed wind generation set high-voltage penetration method capable of realizing inactive support
A wind turbine, high-voltage technology, applied in the field of double-fed wind turbine high-voltage ride-through, can solve the problem of no further restrictions on the reactive power arrangement of the unit
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[0024] The present invention will be further described below in conjunction with accompanying drawings and examples of implementation.
[0025] figure 1 It is a structural diagram of the doubly-fed wind turbine system applicable to the present invention, mainly including doubly-fed induction generator DFIG, grid-side converter GSC, rotor-side converter RSC, DC capacitor C, grid-side incoming line reactor, upper machine and drive board; in the figure, U T is the grid-connected point-to-line voltage, V dc is the DC bus voltage, P s , Q s are the active power and reactive power absorbed by the stator of the doubly-fed induction generator, respectively, P g , Q g are the active power and reactive power absorbed by the grid-side converter, respectively, P t , Q t are the total active power and total reactive power absorbed by the DFIG, respectively;
[0026] refer to figure 2 , a doubly-fed wind turbine high-voltage ride-through method that can realize reactive power supp...
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