Results 31 to 40 of about 256,762 (170)

Power System Day-Ahead and Intra-Day Optimal Scheduling Considering Flexible Coordination of Steel Production and Energy Storage

Energies
In order to cope with the challenge of large-scale integration of renewable energy to the balance of power supply and demand, and give full play to the potential of flexible regulation of iron and steel enterprises, a source load coordination ...
Yibo Wang, Lifeng Zhu, Yuan Fang, Jianing Zhou, Chuang Liu   +4 more
doaj   +1 more source

Research on Improved Fault Current Analysis Method for Flexible Direct Current Power Grid Considering Alternating Current Feed

Frontiers in Energy Research, 2021
Flexible direct current (DC) grid can realize large-scale renewable energy, wide-area coordinated complementation, and reliable power transmission. It is an important development that can be used to support high-voltage and large-capacity flexible DC ...
Yinfeng Sun, Xin Xiong, Zhenhao Wang, Guoqing Li, Xueguang Wu, Xueguang Wu, Weiru Wang   +6 more
doaj   +1 more source

Operator Learning for Power Systems Simulation

CoRR
Time domain simulation, i.e., modeling the system's evolution over time, is a crucial tool for studying and enhancing power system stability and dynamic performance. However, these simulations become computationally intractable for renewable-penetrated grids, due to the small simulation time step required to capture renewable energy resources' ultra ...
Matthew Schlegel, Matthew E. Taylor, Mostafa Farrokhabadi   +2 more
openaire   +2 more sources

Fine-Grained Modeling and Coordinated Scheduling of Source-Load With Energy-Intensive Electro-Fused Magnesium Loads

IEEE Access
With the rising adoption of renewable energy sources worldwide, the uncertainty within electrical power systems is amplifying, leading to rising challenges in wind power assimilation and operational costs.
Yibo Wang, Zikang Yang, Xudong Zhao, Hongdan Liu, Dongzhe Wang, Chuang Liu   +5 more
doaj   +1 more source

Simplified equivalent aggregation framework for impedance network modeling of MMC-HVDC systems with grid structural considerations

International Journal of Electrical Power & Energy Systems
Modular Multilevel Converter (MMC)-based Multi-terminal High-voltage Direct Current (MTDC) systems have gained widespread application in power transmission, where analyzing their wideband stability is critical for enhancing DC grid operational ...
Yanxu Wang, Guoqing Li, Yechun Xin, Tuo Wang, Shouqi Jiang, Weiru Wang, Yupeng He   +6 more
doaj   +1 more source

Flexible Energy System Scheduling Based on the Coordination of Sodium-Ion Batteries and Data Centers in Extremely Cold Regions

Energies
The increasing penetration of renewable energy and rising computing demands intensify the need for flexible regulation resources. In extremely cold regions, low temperatures degrade energy storage and adjustable-load performance, challenging integrated ...
Yu Cao, Naichuan Miao, Longxin Tian, Siqi Han, Changgang Wang, Jing Zhou   +5 more
doaj   +1 more source

Construction of a Digital and Physical Hybrid Simulation Platform for MMC-HVDC Grid With Fault Current Suppression Equipment

Frontiers in Energy Research, 2021
In order to fully study the working characteristics of large-scale power electronic devices in the field of renewable energy delivery, it is imperative to build digital and physical hybrid simulation platforms.
Weiru Wang, Limeng Wang, Bo Zhu, Guoqing Li, Yechun Xin, Shouqi Jiang   +5 more
doaj   +1 more source

Research on a Transformer Vibration Fault Diagnosis Method Based on Time-Shift Multiscale Increment Entropy and CatBoost

Entropy
A mechanical vibration fault diagnosis is a key means of ensuring the safe and stable operation of transformers. To achieve an accurate diagnosis of transformer vibration faults, this paper proposes a novel fault diagnosis method based on time-shift ...
Haikun Shang, Tao Huang, Zhiming Wang, Jiawen Li, Shen Zhang   +4 more
doaj   +1 more source

A Coordinated Dual-Channel Wide Area Damping Control Strategy for a Doubly-Fed Induction Generator Used for Suppressing Inter-Area Oscillation

Applied Sciences, 2019
Using a doubly-fed induction generator (DFIG), with an additional active or reactive damping controller, is a new method of suppressing the inter-area oscillation of a power system. However, using active power modulation (APM) may decrease the damping of
Guowei Cai, Xiangsong Chen, Zhenglong Sun, Deyou Yang, Cheng Liu, Haobo Li   +5 more
doaj   +1 more source

A review on evaluation and improvement methods for commutation failure resistance ability in multi-infeed direct current system

电力工程技术
The evaluation and improvement methods for commutation failure resistance ability in multi-infeed direct current (MIDC) system are of great significance for testing commutation failure characteristics, addressing assessment challenges, and applying ...
Yechun XIN, Taoyu HUANG, Tuo WANG, Yupeng HE, Xiaoluo GAN, Guoqing LI   +5 more
doaj   +1 more source