VSC-HVDC offshore wind power system
A VSC-HVDC, offshore wind power technology, applied in the field of offshore wind power generation, can solve the problems of power grid reduction, poor system stability, power grid failure, etc., and achieve the effect of reducing error value, maintaining stability and good stability
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[0028]The present invention provides a VSC-HVDC offshore wind power system, including:
[0029]Offshore wind turbines, used for wind power generation to generate electricity, including multiple wind turbines connected in parallel: WT1, WT2,...WTn, double-fed wind turbines: IG1, IG2,...IGn;
[0030]Synchronous machine controller, used to transmit electric energy to VSC-HVDC system, including permanent magnet synchronous motor;
[0031]VSC-HVDC system, independent control of active power and reactive power to realize power transmission from offshore wind turbines to the grid; including VSC1 rectifier converter, VSC2 inverse converter; the VSC-HVDC system adopts fuzzy PID inertial control, which can be Quickly adjust according to parameter changes; and adjust the active output of the wind turbine according to the control amount, so as to alleviate the sudden change of the grid frequency to stabilize the grid. Its fuzzy PID inertial control refers to the online adjustment of the three parameters...
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Abstract
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