Maintenance of electrical leads to a deterioration of the dielectric properties of high-voltage isolation and failure, so the role of preventive methods of monitoring of electrical insulation condition increases.To determine the remaining life of the cable and effectively determine the location of damage to the cable line (CL) on the need to use non-destructive test method. Relevance of the work is to develop a method for the continuous monitoring of electrical insulation with sufficient technical and economic efficiency. The purpose of the investigation is to improve the reliability of the electrical insulation of power equipment.
The analysis and synthesis of aerodynamic properties of the wind-driven power-plant (WP) construction with a vertical axis of rotation and useful interference of the stator and the rotor, that exceeds classical type analogues on energy characteristics, were conducted. The required functional dependence of the rotor rotative moment of WP on the angular speed of its rotation and the wind speed on the basis of aerodynamic optimization and researches of optimal shape and construction of WP was obtained. Respective aerodynamic power was calculated. The example of frequency stabilization of the rotor rotation through control of variable element of optimized form WP construction was considered. Method of maintaining the given angular speed of the rotor with a given deviation for a given time was proposed.
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