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With the share of wind energy increasing in the electrical power supply, its influence on grid stability will become significant. The focus of the plant control will have to shift from maximum power yield to grid friendly layout. This paper analyses the influence of different wind energy converter control methods on the connected electrical grid. Conventional controls, like optimal rotor speed control,...
Stochastically fluctuating wind energy density has major influence on wind energy converters performance. Dynamic power flow variations in the power drain of wind energy converters lead, among others, to dynamical torque changes. Through the power drain, the load peaks are fed forward to the electrical grid and cause early damage of mechanical components, thermal overload of electrical components,...
A power control procedure for variable speed wind power converters is developed, which minimizes electric power fluctuation at maximum energy yield. These aims are achieved on base of iterative adapting control algorithms that constantly updates the frequency distribution of the measured wind speed and the mean value of the DC-link voltage. The results of the new control methods are compared to conventional...
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