High-voltage direct current transmission type grid-tied photovoltaic power generation system
A photovoltaic power generation system, high-voltage direct current technology, applied in photovoltaic power generation, light radiation generators, generators/motors, etc., can solve the problems of increasing the difficulty of power dispatching, large DC loss, loss, etc., to reduce DC transmission loss, Reduce system loss and facilitate installation and use
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[0019] The present invention will be further described in detail below with reference to the drawings and specific embodiments of the specification.
[0020] Such as figure 1 As shown, the high-voltage direct current transmission type grid-connected photovoltaic power generation system of the present invention includes more than one photovoltaic direct current booster station 1, high-voltage direct current transmission line 2, third-stage DC / AC converter 3, transformer 4, and high-voltage AC network 5. Photovoltaic DC boost station 1 is connected to the input end of the third-stage DC / AC converter 3 via the high-voltage direct current transmission line 2, and the output end of the third-stage DC / AC converter 3 is connected to the high-voltage AC network via the transformer 4 5 Connected. When there are more than two photovoltaic DC booster stations 1, the two or more photovoltaic DC booster stations 1 are connected in parallel.
[0021] Each photovoltaic DC boost station 1 includ...
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