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Ligang Zhao, Hua Zheng, Hongyue Zhen, Li Xie, Yuan Xu and Xianchao Huang
In order to address the convergence issue in fuzzy power flow calculations, this paper proposes an analytical approach based on the Levenberg?Marquardt method, aiming to improve the convergence of the fuzzy Newton power flow method. Firstly, a detailed a...
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Chen Liang, Chang Chen, Weizhou Wang, Xiping Ma, Yuying Li and Tong Jiang
Data collection is more difficult in distribution network than transmission networks since the structure of distribution networks is more complex. As a result, data could be partly abnormal or missing, which cannot completely describe the operation statu...
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Yuying Li, Xiping Ma, Chen Liang, Yaxin Li, Zhou Cai and Tong Jiang
In order to find the causes of statistical line loss abnormalities and propose better loss reduction strategies, it is necessary to improve the accuracy of theoretical line loss calculations. Since Distributed Generation (DG) access to the distribution n...
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Sunoh Kim and Jin Hur
As the importance of renewable generating resources has grown around the world, South Korea is also trying to expand the proportion of renewable generating resources in the power generation sector. Among the various renewable energy sources, wind generat...
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Haobo Xu, Zhenguo Shao and Feixiong Chen
The electric arc furnace (EAF) contributes to almost one-third of the global iron and steel industry, and its harmonic pollution has drawn attention. An accurate EAF harmonic model is essential to evaluate the harmonic pollution of EAF. In this paper, a ...
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Ariel Santos Fuentefria,Miguel Castro Fernández,Antonio Martínez García
Pág. 113 a la 1
La integración de la energía eólica en los sistemas eléctricos puede provocar problemas de estabilidad ligados fundamentalmente a la variación aleatoria del viento y que se reflejan en la tensión y la frecuencia del sistema. Por lo que conocer el Límite ...
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Gangfei Wang, Hengrui Ma, Bo Wang, Abdullah M. Alharbi, Hongxia Wang and Fuqi Ma
In keeping with China?s dual carbon goals, optimal low-carbon power system dispatch has become a necessary component of the greening of the power system. However, typically, research considers only the economics of such efforts. Based on our power flow a...
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Hao Wu, Lin Zhou, Yihao Wan, Qiang Liu and Siyu Zhou
With the large-scale centralized PV clusters connected to grid, the grid power flow has certain randomness. Considering the fluctuation of PV output, an improved Krawczyk-Moore algorithm in a mixed coordinate system is proposed to solve the uncertain pow...
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Benjamin Böckl, Matthias Greiml, Lukas Leitner, Patrick Pichler, Lukas Kriechbaum and Thomas Kienberger
HyFlow is a grid-based multi-energy system (MES) modelling framework. It aims to model the status quo of current energy systems, future scenarios with a high share of fluctuating energy sources or additional consumers like electric vehicles, and to compa...
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Zhongxi Ou, Yuanyuan Lou, Junzhou Wang, Yixin Li, Kun Yang, Sui Peng and Junjie Tang
With the sharp increase in fluctuant sources in power systems, the deterministic power flow (DPF) calculation has been unable to meet the demands of practical applications; thus, the probabilistic method becomes indispensable for the reliable and stable ...
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Xinran Guo, Huaiyu Cheng, Hao Wang, Yuanchu Cheng and Mian Sun
Stable operation is a challenge for hydropower stations with multi-turbine hydraulic coupled division systems with a common penstock. In this paper, the serious power fluctuations in a power station with such a division system are analyzed. The fluctuati...
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Zhong Chen, Hui Chen, Minhui Zhuang and Siqi Bu
A conventional steady-state power flow security check only implements point-by-point assessment, which cannot provide a security margin for system operation. The concept of a steady-state security region is proposed to effectively tackle this problem. Co...
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Guang Hu, Yue Ma and Qianfeng Liu
An accurate prediction of the interphase behaviors of the vertical gas-liquid subcooled boiling flow is meaningful for the first loop of a nuclear power plant (NPP). Therefore, the interphase behaviors including the bubble size distribution in the first ...
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Hong-Zhen Zhu, Jiang-Hai Wu and Yu-Dong Sun
The violent vibration of truss structures may cause fatigue, faults, or even an accident. Aiming to analyze the vibration power flow and transfer path of two-dimensional truss structures in the mid and high-frequency domain, this paper proposed a fast dy...
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Wallisson C. Nogueira, Lina Paola Garcés Negrete and Jesús M. López-Lezama
Modern power systems must deal with a greater degree of uncertainty in power flow calculation due to variations in load and generation introduced by new technologies. This scenario poses new challenges to power system operators which require new tools fo...
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Tuchapong Suwongsa, Kongpol Areerak, Kongpan Areerak and Jakkrit Pakdeeto
This paper presents an energy-saving approach for electric pumps widely used in agriculture. A capacitor-run single-phase induction motor is used with a centrifugal pump. An appropriate energy-saving frequency and voltage calculation algorithm is propose...
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Weiming Ni, Zhihua Ge, Lijun Yang and Xiaoze Du
To improve the adaptability of direct air-cooled power generating units to the variations of both meteorological condition and power load, a piping-main arrangement of air-cooled condensers was proposed. The heat and mass transfer models of the air-side ...
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Liang Xiao, Yan Li, Huangqing Xiao, Zheren Zhang and Zheng Xu
A method for electromechanical modeling of line commutated converter (LCC)-modular multilevel converter (MMC)-based hybrid multi-terminal High Voltage Direct Current Transmission (HVDC) systems for large-scale power system transient stability study is pr...
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Xi Wu, Zhengyu Zhou, Gang Liu, Wanchun Qi and Zhenjian Xie
The successful application of the unified power flow controller (UPFC) provides a new control method for the secure and economic operation of power system. In order to make the full use of UPFC and improve the economic efficiency and static security of a...
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Jonghoon Lee, Sangwook Han and Dongho Lee
The installation of battery energy storage systems (BESSs) with various shapes and capacities is increasing due to the continuously rising demand for renewable energy. To prepare for potential accidents, a study was conducted to select the optimal locati...
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