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AUTHOR(S): Chien-Kuo Chang, Yu-Chi Liu, Hua-Wen Tsai, Fu-Yen Lin
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ABSTRACT The increasing penetration of power-electronics–based renewable energy has reduced the electric-system inertia and operating reserve, leading to concerns about the frequency stability of power systems. This study explores the participation of photovoltaic sources in the frequency-response regulation of power systems through the deloading process and analyzes relevant scenarios to investigate the effects of varying penetration levels of renewable energy and deload margins on the frequency response of the power system. To observe the performance of the system in different scenarios, simulations are performed based on the IEEE 39-bus system with renewable-energy penetration levels of 0–50% and deload margins of 0–50%. The selection method for suitable deload margin was presented according to frequency response and generation lost. |
KEYWORDS Renewable energy, inertia response, frequency response, deloading, renewable penetration |
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Cite this paper Chien-Kuo Chang, Yu-Chi Liu, Hua-Wen Tsai, Fu-Yen Lin. (2024) Photovoltaic-System Participation in Power-System Frequency Response under High Renewable Energy Penetration. International Journal of Power Systems, 9, 1-10 |
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