Results 91 to 100 of about 5,845,695 (202)

LANDSAT 4 and 5: Emergency [PDF]

The primary purpose of LANDSAT is to study Earth resources. Each satellite contains a Thematic Mapper (TM) and a Multispectral Scanner (MSS) imaging device plus mission unique hardware.
Gonzales, L., Webb, W.
core   +1 more source

Physical rotor speed recovery strategy for grid-forming permanent magnet synchronous generator-based wind turbines under turbulent wind conditions

电力工程技术
After the frequency support of grid-forming permanent magnet synchronous generator-based wind turbines (GFWTs) is completed, it is necessary to promptly restore the physical rotor speed to enable the GFWTs to re-operate at the maximum power point ...
Xiaoming ZOU, Chenggen WANG, Yingjie HU
doaj   +1 more source

Analysis and quantitative evaluation of wind turbine frequency support capabilities in power systems

Frontiers in Energy Research
With the rapid development of photovoltaic and wind power, the penetration rate of renewable energy in power system is gradually increasing. This escalation poses a challenge as it results in a continuous reduction in the inertia and damping of the power
Hongliang He, Huangqing Xiao, Ping Yang
doaj   +1 more source

Vibration problem of a spherical tank containing jet propellant: numerical simulations

, 2006
This document is the final report on the joint research project on vibration problem of a spherical tank containing jet propellant between IHI, Japan and SES, University of Southampton, UK. The background of the project is described.
Tan, M., Toyota, Makoto, Xing, J.T., Xiong, Y.P.   +3 more
core  

Ulysses [PDF]

The DSN (Deep Space Network) mission support requirements for Ulysses are summarized. The primary goal of the Ulysses mission is to explore the Sun, its environment, and possible links between solar variability and terrestrial weather and climate.
Beech, F., Meeks, W.
core   +1 more source

Research on Grid-Connected Inverters: Frequency Support Analysis and Improvement in Grid-Forming Strategy

Kongzhi Yu Xinxi Jishu
Conventional grid-following inverters in renewable-powered systems lack the capability to support grid frequency, posing a risk of frequency collapse in these electric power systems as the penetration of renewable energy generation grows. To mitigate the
HE Xi, MEI Wenqing, ZHANG Zhixue, HU Liang, LI Bingzhang, ZHAO Huimin   +5 more
doaj  

Resilient virtual inertia strategy for frequency support of renewable-based microgrids using a variable structure fuzzy PID controller. [PDF]

Sci Rep
Abdelghany MA, Magdy G, Ghany AMA, Mohammed FA.   +3 more
europepmc   +1 more source

Modelling, analysis, and stability assessment of wind turbine generator connected to a low inertia AC-DC microgrid with frequency support capability. [PDF]

Sci Rep
Zenhom IA, Marei MI, Mohamed AMI.
europepmc   +1 more source

Analysis of the impact of non-real-time frequency sampling and damping coefficient on the dynamic frequency support response of grid-forming type renewable energy. [PDF]

Sci Rep
Tao X, Zhang S, He H, Xiong J, He W, Zeng W.   +5 more
europepmc   +1 more source

Active frequency support capability evaluation of photovoltaic stations based on bi-level evaluation method. [PDF]

Sci Rep
Li Z, Yang L, Zhou W, Li C.
europepmc   +1 more source