Results 1 to 10 of about 21,986,119 (295)

A bi-level operational reliability evaluation model for power systems considering economic dispatch and demand response

International Journal of Electrical Power & Energy Systems
The increasing deregulation and integration of renewable energy are contributing to growing uncertainties in the power systems. The main uncertainties include the equilibrium game process among different stakeholders, the uncertainty of renewable ...
Congcong Pan, Xueying Yu, Bo Hu, Changzheng Shao, Hui Lu, Kaigui Xie, Amjad Anvari-Moghaddam   +6 more
doaj   +1 more source

A weather-based power distribution system reliability assessment

Alexandria Engineering Journal, 2023
The continuity of power supply is affected by many factors; the weather conditions to which power system components are exposed are considered the most effect.
Hani A. Aldhubaib, Mohamed Hassan Ahmed, Magdy M.A. Salama   +2 more
doaj   +1 more source

A Non-Intrusive Thermal Fault Inversion Method for GIS Using a POD-Kriging Surrogate Model and the Grey Wolf Optimizer

Energies
To address the inverse identification of contact-related thermal faults in gas-insulated switchgear (GIS), this study proposes a method for contact resistance inversion and internal temperature field reconstruction.
Linhong Yue, Hao Yang, Congwei Yao, Yanan Yuan, Kunyu Song   +4 more
doaj   +1 more source

A conditionally constrained compound sub‐gradient method for distributed energy coordination

IET Generation, Transmission & Distribution, 2023
A conditionally constrained compound (CCC) sub‐gradient method typically involves solutions by multi‐agents, which have important applications in distributed energy resources (DER).
Xu Jie, Sizhou Sun
doaj   +1 more source

Losses analysis of soft magnetic ring core under sinusoidal pulse width modulation (SPWM) and space vector pulse width modulation (SVPWM) excitations

AIP Advances, 2018
Practical core losses in electrical machines differ significantly from those experimental results using the standardized measurement method, i.e. Epstein Frame method.
Hezhe Gao, Yongjian Li, Shanming Wang, Jianguo Zhu, Qingxin Yang, Changgeng Zhang, Jingsong Li   +6 more
doaj   +1 more source

Power system reliability enhancement by using PowerformerTM [PDF]

Serbian Journal of Electrical Engineering, 2009
A high-voltage generator PowerformerTM is a new generation of the AC generators. The most significant advantages of these PowerformerTM are their direct connection to high-voltage grid, higher availability, and more reactive power margin, short term ...
Rahmat-Allah Hooshmand, Moazzami Majid, Nasiri Akbar Ali   +2 more
doaj   +1 more source

Quick Identification of Single Open-Switch Faults in a Vienna Rectifier

Eng
Three-leg AC-DC Vienna rectifiers are susceptible to single open-switch faults, which make DC-link voltage ripple and make three-leg input AC currents distorted and unbalanced.
Qian Li, Yue Zhao, Xiaohui Li, Teng Ma, Fang Yao   +4 more
doaj   +1 more source

Quantifying Power System Operational Reliability

Applied Sciences, 2019
Rising uncertainty in power systems due to ongoing system and operational changes has led to increasing risks in operating a system in a reliable and economic manner.
Nahakul Nepal, Rajesh Karki
doaj   +1 more source

Hybrid wireless power transfer: a review

Wireless Power Transfer
Inductive power transfer (IPT) and capacitive power transfer (CPT) have been extensively studied and applied in wireless power transfer (WPT). In the process of system design and analysis, only the characteristics of magnetic or electric fields are ...
Zhongyu Dai, Miao Sun, Hongyuan Chen, Xiaoming Ding, Huihui Wang, Yanhu Zhai, Jie Song, Shuo Ye, Mengxiao Zhang, Xian Zhang   +9 more
doaj   +1 more source

Modelling of microgrids to insure resource adequacy in the capacity market

IET Renewable Power Generation, 2023
The penetration of renewable resources in distribution networks have led to the creation of a concept called microgrids. Microgrids act as a bus with the ability to control the amount of consumption and generation, from the viewpoint of system operator ...
Haniyeh Katiraee, Hassan Jalili
doaj   +1 more source