محمدامين مظاهري

With the rapid growth of the global population, improvement in quality of life, an‎d increasing industrialization, the deman‎d for electrical energy has significantly risen. In 2022, more than 60% of the world’s electricity consumption was still supplied by fossil fuels such as gas, coal, an‎d mazut. In contrast, the increasing integration of renewable energy sources an‎d their growing share in power generation have cuased new challenges to power systems. One of the most critical challenges is the low inertia of renewable energy sources, which negatively impacts power system stability. Moreover, the fundamental differences in the dynamic behavior of these sources compared to conventional synchronous generators affect the performance of protection schemes, particularly during transient events such as short circuits. At high penetration levels, these challenges complicate grid operation an‎d reliability. This study investigates the impact of high wind power penetration on power system protection performance. Considering the existing challenges, a novel distance protection scheme based on differential computation is proposed for the protection of transmission lines with a high level of wind power generation. The proposed method is robust against fluctuations caused by Type-III wind turbines an‎d remains unaffected by frequency variations. Furthermore, it can accurately detect faults occurring near the relay bus, even when the bus voltage dro‎ps to zero. Simulation results confirm the accuracy an‎d effectiveness of the proposed method in enhancing power system protection performance.

حفاظت ديستانس , مزرعه بادي , ژنراتور دو سو تغذيه

Distance protection , Wind farm , DFIG wind turbine

MOHAMMAD AMIN MAZAHERI

Dr. H. HEYDARI