Results 11 to 20 of about 98,444 (116)

Cambrian-Devonian paleogeographic evolution of the western and central segments of North Africa

Energy Geoscience
This study reconstructs the lithofacies and paleogeographic evolution of North Africa during the Cambrian to Devonian periods, emphasizing the influence of tectonic events, sea-level fluctuations, and climatic changes on the region's depositional systems
Yilin Li, Zhiqiang Feng, Naixi Zheng, Lei Li, Zongfeng Li, Hancheng Ji, Zhidong Bao   +6 more
doaj   +1 more source

SafetyGPT: An autonomous agent of electrical safety risks for monitoring workers’ unsafe behaviors

International Journal of Electrical Power & Energy Systems
Workers’ unsafe behavior is one of the major causes of accidents in electric power production. Intelligent monitoring of workers’ unsafe behaviors can effectively prevent the expansion of safety risks, thereby blocking the development process of risks to
Wei Li, Fuqi Ma, Zhiyuan Zuo, Rong Jia, Bo Wang, Abdullah M Alharbi   +5 more
doaj   +1 more source

Reward shaping-based deep reinforcement learning for look-ahead dispatch with rolling-horizon

International Journal of Electrical Power & Energy Systems
The increasing penetration of renewable energy exacerbates the challenges in designing an effective and adaptable model-driven Look-ahead Dispatch (LAD) method.
Hongsheng Xu, Yungui Xu, Ke Wang, Yaping Li, Abdullah Al Ahad   +4 more
doaj   +1 more source

The reception of the economic policies of Sir Robert peel on Tyneside (north-east of England) c.1841-1845 [PDF]

, 1987
The following thesis examines the reception of the economic policies of Sir Robert Peel in and around Tyneside between 1841 and 1846. The aim of the study is to assess local reaction in a major industrial area to the economic measures of a national ...
King, Stephen
core  

Design and experiments of a bidirectional thyristor bridge switch for LC commutation in high-current DC vacuum circuit breaker

International Journal of Electrical Power & Energy Systems
In the Quench Protection System (QPS) of superconducting fusion device, high-current DC breaker is an important component. LC commutation circuit provides a negative pulse current to generate zero-crossing point in Vacuum Circuit Breaker (VCB) for DC ...
Meng Xu, Wei Tong, Hua Li, Zhiquan Song, Zhenhan Li, Chao Gao, Peng Fu   +6 more
doaj   +1 more source

Upcycling Photovoltaic Silicon Waste Into Cost‐Effectiveness Si/C Anode Materials

Carbon Energy
While silicon/carbon (Si/C) is considered one of the most promising anode materials for the next generation of high‐energy lithium‐ion batteries (LIBs), the industrialization of Si/C anodes is hampered by high‐cost and low product yield.
Liao Shen, Shaoyuan Li, Yanfeng Wang, Jijun Lu, Fengshuo Xi, Huaping Zhao, Zhongqiu Tong, Wenhui Ma, Yong Lei   +8 more
doaj   +1 more source

Pilot protection based on voltage and current correlation for DC lines in mesh DC grid without boundary

International Journal of Electrical Power & Energy Systems
As the scale of DC grids expands, the converter will be connected with multiple outgoing lines. In this context, locating current-limiting reactors at the outlet of the converter can effectively balance the contradiction between current-limiting ...
Zhihui Dai, Xu Shi
doaj   +1 more source

Electrified Carbon Cycling for Neutralizing the Steelmaking Industry

Carbon Energy
The conventional steelmaking process emits 1.8 tons of CO2 to produce 1 ton of crude steel, making the steel industry the world's largest emitting manufacturing sector.
Yihong Yu, Ziyu Mei, Qi Zhang, Chuangwei Liu, Yan Sun, Hao Zhang, Gaowu Qin, Song Li   +7 more
doaj   +1 more source

Coordinated frequency regulation for thermal power unit and battery energy storage using dynamic proportional control

International Journal of Electrical Power & Energy Systems
This paper addresses the issues of significant frequency regulation losses, short lifespan and poor economic performance of battery energy storage system in the combined frequency regulation process with the thermal power unit by proposing a coordinated ...
Gangui Yan, Qianli Sha, Junhui Li, Zheng Fang, Shuaishuai Lv, Shuo Zhan, Lin Yue   +6 more
doaj   +1 more source

Accurate detection of critical LLFs and LGFs in PV arrays based on deep reinforcement learning using proximal policy optimization (PPO)

International Journal of Electrical Power & Energy Systems
Critical line-to-line faults (LLFs) and line-to-ground faults (LGFs) in photovoltaic (PV) systems are the most difficult faults to detect not only by conventional protection devices, but also modern fault detection schemes.
Sherko Salehpour, Aref Eskandari, Amir Nedaei, Mohammad Gholami, Mohammadreza Aghaei   +4 more
doaj   +1 more source