Results 1 to 10 of about 1,226,514 (165)

Power Distribution Grid Reliability Assessment Considering Protection and Control Devices’ Optimal Post-Fault Operation [PDF]

International Journal of Research and Technology in Electrical Industry, 2023
The reliability level of the distribution network is a judgment tool of the grid and protection design quality, the effectiveness of the fault management unit, and customers’ satisfaction.
Ali Jalilian, Milad Mohamadyari, Homayun Rahimi, Majid Karami   +3 more
doaj   +1 more source

Protection Coordination Method Using Symmetrical Components in Loop Distribution System

Energies, 2021
Power utilities worldwide commonly use the radial distribution system because of its advantages of being simple in structure and having relatively inexpensive installation costs.
Jung-Hun Lee, Woo-Hyun Kim, Hak-Ju Lee, Jun-Oh Kim, Woo-Kyu Chae   +4 more
doaj   +1 more source

A fuzzy coordinated energy management strategy for energy storage units in DC multiport energy router

Energy Reports, 2021
As the proportion of new energy in power systems continues to increase, the widespread use of solar and wind-based distributed generation (DG) power in DC distribution networks will face problems such as new energy consumption, grid stability, and ...
Chunyan Ma, Wanxing Sheng, Qing Duan, Guanglin Sha, Yuwei Peng, Caihong Zhao, Haili Lin   +6 more
doaj   +1 more source

Energy Storage Configuration Optimization Strategy for Islanded Microgrid Interconnection Based on Energy Consumption Characteristics

Discrete Dynamics in Nature and Society, 2021
As a result of distributed energy development, the demand for energy storage grows more rapidly. The optimization of energy storage allocation is urgently needed.
Haoqing Wang, Chunyan Ma, Wanxing Sheng, Guanglin Sha, Caihong Zhao, Ning Liu, Qing Duan   +6 more
doaj   +1 more source

Adaptive Protection Coordination Method Design of Remote Microgrid for Three-Phase Short Circuit Fault

Energies, 2021
Generally, the fault current supplied by inverter-based renewable energy sources (IBRES) and electrical storage systems (ESS) is about 1.2 to 2 times their rated current and much lower than synchronous generators because the former acts as a current ...
Wookyu Chae, Jung-Hun Lee, Woo-Hyun Kim, Sungwook Hwang, Jun-Oh Kim, Jae-Eon Kim   +5 more
doaj   +1 more source

A Study on the Estimations of the Tension of the Overhead Wires Using Data from Acceleration Sensors

Applied Sciences, 2022
One of the important tasks of the distribution system is to operate the distribution system in consideration of the safety. It is also important to minimize and prevent possible failures in the distribution system.
Jun-Hyeok Kim, Jong-Man Joung, Byung-Sung Lee   +2 more
doaj   +1 more source

A Two-Stage Robust Optimization Method Based on the Expected Scenario for Islanded Microgrid Energy Management

Discrete Dynamics in Nature and Society, 2021
One of the main challenges in microgrid system energy management is dealing with uncertainties such as the power output from renewable energy sources. The classic two-stage robust optimization (C-TSRO) method was proposed to cope with these uncertainties.
Qing Duan, Wanxing Sheng, Haoqing Wang, Caihong Zhao, Chunyan Ma   +4 more
doaj   +1 more source

Cooperative Use of IMD and GPT in a 3-Phase Ungrounded Distribution System Linked to a Transformerless Photovoltaic Power Generation Facility

Applied Sciences, 2023
Distributed generations, using solar photovoltaic (PV) generation systems, are generally connected to ungrounded distribution systems to ensure operational continuity and avoid electro-chemical corrosions.
Hyeon-Myeong Lee, Woo-Kyu Chae, Woo-Hyun Kim, Jae-Eon Kim   +3 more
doaj   +1 more source

Archive-Based Multiobjective Evolutionary Algorithm for Large-Scale EV Charging Station Energy Management

Discrete Dynamics in Nature and Society, 2021
With the increase in renewable energy, improving the utilization rate of renewable energy is of great practical significance. The microgrid has been proved effective in addressing this issue.
Wanxing Sheng, Qing Duan, Haoqing Wang, Guanglin Sha, Chunyan Ma   +4 more
doaj   +1 more source

Identification Method for Single-line-to-ground Faults with Line Break Based on Phasor Measurement in Distribution Networks

Journal of Modern Power Systems and Clean Energy, 2023
The single-line-to-ground faults with line breaks (SLGFs-LBs) occur more and more frequently in distribution networks and can cause major safety accidents.
Yadong Liu, Zichang Li, Yingjie Yan, Guanghui He, Jian Fang, Kejun Li, Xiuchen Jiang   +6 more
doaj   +1 more source