Independent Wind Power Units with Optimal Control in the Condition of Ice Formation on Wind Wheel Blades being the Part of Wind Powerplant

Based on theperformed analysis of independent wind electric power unitcontrol with pre-installed blades at a required angle according to an estimated engine starttime,pitch drive and ice formation on wind wheel blades to minimize transient time of regulation thewind turbine generator phase voltage that provides self-excitation quality ofasynchronous generator under incomplete information on wind speed and electric loading and accounting the parameters of inductive resistance x1, reduced inductive resistance x′2, starter winding phase resistance r1, reducedstarter winding phase resistance r′2 that may change in time significantly, the differentiation criterion of access time to thebladeposition controldevice from the offered and basiccontrol methods is established. The software module to automate theindependent wind power control being the part of wind power plant is developed, providing timely system preparation for external disturbances taking into account ice formation on wind wheel blades at different modes of power unit operation shows that efficiency of the offered control typein winter can be realizable at speed of a wind from 13m/c and above to eliminate delaysin control. The improvedsoftware of electric power unit control being the part of a wind power plant on the basis of power unit control modes is improved: «Independentcontrol. Summer mode», «Power system control. Summer mode»- electric power is produced at favorable environment conditions; «Independent control. Winter mode», «Power system control. Winter mode» - electric power is producedwhen ice is formedon wind wheel blades.