Zobrazeno 1 - 10
of 140
pro vyhledávání: '"Ultra-low frequency oscillation"'
Autor:
Fan Tang, Yudong Zhang, Xiaobin Liang, Zhengyu Gong, Xin Li, Jiayu Liu, Hang Ru, Jian Sun, Hongxun Li
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 41-48 (2023)
In recent years, the ultra-low frequency oscillation of power system caused by hydropower units has occurred frequently. It is very important to study the ultra-low frequency oscillation characteristics of hydropower stations for the stable operation
Externí odkaz:
https://doaj.org/article/629edd94726143f1bfe9ed33d43ec4f3
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 11, Iss 6, Pp 1770-1783 (2023)
This paper proposes a robust and computationally efficient control method for damping ultra-low frequency oscillations (ULFOs) in hydropower-dominated systems. Unlike the existing robust optimization based control formulation that can only deal with
Externí odkaz:
https://doaj.org/article/0a443606f46b484ebfb40dfb3a172d1d
Publikováno v:
Energies, Vol 17, Iss 5, p 1067 (2024)
In response to the requirements of mitigating ultra-low frequency oscillation (ULFO) and enhancing primary frequency regulation (PFR) performance in hydropower-dominated systems, a novel control strategy, namely the center-frequency-structured govern
Externí odkaz:
https://doaj.org/article/a890916d68cb4bb2bd02c03135cbef0d
Autor:
Sixiang Zhang, Longyuan Li, Weijun Liu, Daijun Luo, Bingjie Zhai, Haomin He, Peng Zou, Yuhong Wang, Shilin Gao
Publikováno v:
Energies, Vol 17, Iss 3, p 724 (2024)
Aiming at the problem of ultra-low-frequency oscillation (ULFO) caused by an irrational setting of governor parameters of high-head hydraulic turbine units, this paper proposes a method to optimize the additional damping control parameters of the gov
Externí odkaz:
https://doaj.org/article/57180f23951a4abf8f1ba15af18f7f0e
Akademický článek
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Akademický článek
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Akademický článek
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Publikováno v:
Applied Sciences, Vol 13, Iss 19, p 11066 (2023)
Aiming at the problem of ultra-low-frequency oscillation (ULFO) in power systems, with an oscillation frequency lower than 0.1 Hz, an oscillation suppression control method is proposed. Firstly, the mathematical modeling of the system is carried out,
Externí odkaz:
https://doaj.org/article/92a7cbad73fb48169cf6f728152a0118
Publikováno v:
Tehnički Vjesnik, Vol 28, Iss 4, Pp 1082-1090 (2021)
Aiming at the occurrence of long-term and ultra-low frequency oscillations in the hydropower network system, this paper derives the generalized turbine transfer function speed control system model including the flow factor Tpq based on the generalize
Externí odkaz:
https://doaj.org/article/d79ce657294d487f976fcdfeb0402406
Publikováno v:
IEEE Access, Vol 8, Pp 88085-88092 (2020)
In recent years, the ultra-low frequency oscillation of power system is one of the most concerned frequency stability problem. The governor deadband are considered as one of the main influences. However, the existing methods can only deal with single
Externí odkaz:
https://doaj.org/article/45456bea04cf4b14993fd550392e184e