Operation Process Efficiency Improvement Based on Coordinated Operation Modes of Electric Power Supply for Consumers in the Arcticand the Far North Regions

Abstract

The approach of effective technological processorganization underwind turbine idle time due to its failure and subsequent maintenance is proved, provided by wind power plant control method based on timely system preparation for external disturbances (wind speed and electric loading), taking into accountdrive vibrating loading and ice formation on blades windwheel at different operation modes of the power unit that implies wind power plant operation in severe conditions of Arctic and the Far Northregions and stipulated reduction of equipment failure probability by 10 %. Anticipation of wind speed and electric loading is based on the detailed analysis of the factors influencing electric power consumptionin severe conditions of Arctic and the Far Northregions. It is established, information on air stream dynamics should be accessible during small time intervals, and a 10-minute period should be accepted as an averaging interval providing steady values of average wind speed, and electric loading anticipatingin synchronous comparison of the accepted criterion. The method of wind speed and electric loading anticipation as stationary processes was proposed, implementing the approach of decomposition abreast polynomial of Chebishev, approximating a curve of process with high accuracy,to minimize deviations from initial process on within the whole measurement interval. The sample time interval of the measured values fora random process and the algorithm of the coordinated operation modes is proved, contributing to the integration of the proposed method of wind power plant efficiency improvement on the basis of mathematical modeling of wind turbine operation condition under electric power distribution among the consumers in Arctic and the Far North regions,into electric and technical automatic control system.