Results 1 to 10 of about 1,851,438 (262)

Challenges of developing a power system with a high renewable energy proportion under China’s carbon targets

iEnergy, 2022
For China, one of its most important commitments is to realize its “3060” targets of achieving a CO2 emission peak by 2030 and carbon neutrality by 2060.
Jianbo Guo, Shicong Ma, Tiezhu Wang, Yiran Jing, Weilin Hou, Haotian Xu   +5 more
doaj   +1 more source

Research on Maintenance Strategies for Different Transmission Sections to Improve the Consumption Rate Based on a Renewable Energy Production Simulation

Energies, 2022
Renewable energy consumption is one of the most important factors in meeting the goal of “30 and 60” in China. However, the maintenance of the transmission section affects the amount of generation transfer, further affecting the consumption of renewable ...
Xiaojing Hu, Haoling Min, Sai Dai, Zhi Cai, Xiaonan Yang, Qiang Ding, Zhanyong Yang, Feng Xiao   +7 more
doaj   +1 more source

An Incentive-Compatible Frequency Regulation Market for Flexible Resources in Microgrid

IEEE Access, 2023
Frequency regulation services can be provided by emerging flexible resources such as electric vehicles and energy storage which can rapidly adjust the output in response to regulation signals, as long as there is an effective market to provide proper ...
Han Zhou, Qizhuan Shao, Xinchun Zhu, Shuangquan Liu, Xue Liu, Ruike Lyu   +5 more
doaj   +1 more source

Cooling of Steam Turbine Exhaust Hood and Last Stage Blade [PDF]

MATEC Web of Conferences, 2023
This paper describes a novel semi-numerical method of water droplets path lines calculation in steam turbine axial exhaust hood 2D space. The axial velocity profile of steam as well as droplets evaporation are taken into account.
Hoznedl Michal, Ruml Zdeněk, Vlasák Jakub, Bém Jindřich, Kubíková Tereza, Ranš Matěj   +5 more
doaj   +1 more source

Root-Mean Square Model of Three-Phase Photovoltaic Inverter for Unbalanced Fault

IEEE Open Access Journal of Power and Energy, 2020
The feed-in tariff, introduced in 2012, led to a significant increase in Photovoltaics (PVs) throughout Japan. About half of PVs are three-phase PVs that are connected to low voltage or medium voltage networks.
Hayato Satoh, Koji Yamashita, Keisuke Shirasaki, Yoshihiro Kitauchi   +3 more
doaj   +1 more source

Practical experience in monitoring low-frequency oscillations at electric power station of United Power System of Russia [PDF]

E3S Web of Conferences
The development of the Wide Area Measurement System (WAMS) in the United Power System of Russia has provided the opportunity to use phasor measurement unit (PMU) data to solve practical problems in operational dispatch management [1].
Govorun Mikhail, Zhukov Andrey, Satsuk Evgeniy, Dubinin Dmitriy, Karimov Nikita   +4 more
doaj   +1 more source

Experience in implementing the algorithm for emergency control system of unloading in case of overload in terms of power based on synchrophasor angle [PDF]

E3S Web of Conferences
An algorithm for automatic unloading during a power overload is described. It is based on measurement of the phase angle between voltages on the Tyumen - Ural power transmission line, which is determined by information from phasor measurement units.
Govorun Mikhail, Satsuk Evgeniy, Luzhkovskiy Yuriy, Dubinin Dmitriy, Titov Sergey, Khokhrin Aleksandr   +5 more
doaj   +1 more source

Research on the electrical performance variation characteristics of internal damp roof arrester of EMU

Energy Reports, 2022
In order to study the reason of performance deterioration of roof arrester, this paper conduct the disassembly inspection of the burst arrester, and conducts the SEM test and EDS test to the valve plates, and the microscopic variation characteristics of ...
Shenghui Wang, Qi Ou, Qizhe Zhang, Shuaitao Mao, Xinghao Dong   +4 more
doaj   +1 more source

Evaluation of Different Development Possibilities of Distribution Grid State Forecasts

Energies, 2020
The number of renewable energy systems is still increasing. To reduce the worldwide CO2 emissions, there will be even more challenges in the distribution grids like currently upcoming charging stations or heat pumps. All these new electric systems in the
Jessica Hermanns, Marcel Modemann, Kamil Korotkiewicz, Frederik Paulat, Kevin Kotthaus, Sven Pack, Markus Zdrallek   +6 more
doaj   +1 more source

Polymer/molecular semiconductor all-organic composites for high-temperature dielectric energy storage

Nature Communications, 2020
Dielectric polymers are widely used in electrostatic energy storage but suffer from low energy density and efficiency at elevated temperatures. Here, the authors show that all-organic composites containing high-electron-affinity molecular semiconductors ...
Chao Yuan, Yao Zhou, Yujie Zhu, Jiajie Liang, Shaojie Wang, Simin Peng, Yushu Li, Sang Cheng, Mingcong Yang, Jun Hu, Bo Zhang, Rong Zeng, Jinliang He, Qi Li   +13 more
doaj   +1 more source