Low-voltage ride-through method of wind power flexible direct-current output system
A low-voltage ride-through, flexible DC technology, applied in wind power generation, power transmission AC network, electrical components, etc., can solve problems such as DC voltage rise, wind farm output power unchanged, grid-side converter output power capacity reduction, etc. , to achieve the effect of protecting safety and improving operation stability
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[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings, as figure 1 Shown is a schematic flow chart of the low voltage ride-through method of the wind power flexible DC transmission system provided by the embodiment of the present invention, and the method includes:
[0025] Step 1. For the positive and negative sequence dual synchronous rotating coordinate system current ...
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Abstract
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