Results 21 to 30 of about 8,621,420 (153)

Data-driven power system small-signal stability assessment and correction control model based on XGBoost

open access: yesEnergy Reports, 2022
The influence of small-signal stability on the safety and stability of the power system is becoming more prominent. A mapping model based on steady-state operation information is established using the sample learning method, which provides a new ...
Yude Yang, Xiu Zhang, Lizhen Yang
doaj   +1 more source

Cost-oriented wind power forecast adjustment for day-ahead optimal power flow in active distribution networks

open access: yesInternational Journal of Electrical Power & Energy Systems
Wind power forecasts optimized for statistical accuracy can lead to costly day-ahead schedules when forecast errors have asymmetric dispatch consequences.
Yuxin Dai   +6 more
doaj   +1 more source

Large-scale security constrained optimal reactive power flow for operational loss management on the GB electricity transmission network [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Engineering Doctorate and awarded by Brunel University, 22/12/2010.The transmission of power across the GB transmission system, as operated by National Grid, results in inevitable loss of electrical power ...
Macfie, Peter
core   +6 more sources

Voltage Control Method for Active Distribution Networks Based on Regional Power Coordination

open access: yesEnergies, 2019
As loads connected to active distribution network (ADN) grow, ADN’s voltage safety issues are becoming more serious. At present, the solution is mainly to build more distributed generation (DG) or to adjust the reactive power in the whole network ...
Jin-Xin Ou-Yang   +4 more
doaj   +1 more source

An adaptive synchronous loop phase compensation method for enhancing grid-forming transient stability

open access: yesInternational Journal of Electrical Power & Energy Systems
While virtual inductance in grid-forming control effectively reduces inrush current, it negatively impacts transient stability. This study proposes a synchronous loop control strategy incorporating an adaptive adjustment mechanism to improve power angle ...
Yang Cui   +3 more
doaj   +1 more source

Review Shows Farm Programs Under Adjustment Act [PDF]

open access: yes
Excerpts: Pledged to lift the national economic emergency by increasing agricultural purchasing power, the Agricultural Adjustment Act is proving to be a source of new hope for millions engaged in this Nation's farming industry. Less than three and one-
Agricultural Adjustment Administration
core   +1 more source

Optimization-Based Cost-Frequency Trade-Off Analysis of Active Power Reallocation in Bipolar MTDC Systems

open access: yesIEEE Access
In multi-terminal DC (MTDC) systems, converter outages require immediate active power reallocation among healthy converters to maintain the stability of interconnected AC grids.
Ayaka Nakamura   +4 more
doaj   +1 more source

Conditional Droop Adjustment for Reliability-Oriented Power Sharing in Microgrids [PDF]

open access: yes, 2023
Power electronic systems are facing the challenge to function more safely and reliably. Reliability-oriented power sharing is thereby employed in multi-converter systems to reduce the cost of end-of-life maintenance. One typical approach is to adaptively
Subham Sahoo   +7 more
core   +1 more source

Strong misalignment tolerance wireless power transfer with active adjustment of magnetic shielding

open access: yesAIP Advances
The variation of mutual-inductance is the essential reason for fluctuation of transmission power and efficiency during wireless power transfer (WPT) misalign.
Zhongyu Dai   +4 more
doaj   +1 more source

Research on the multi-scenario control strategy of an active distribution network based on Rotary Power Flow controller

open access: yesScience and Technology for Energy Transition
Aiming at the problems of complex power distribution and difficult adjustment in the active power distribution network, a low-cost, harmonic-free, and low-loss electromagnetic Rotating Power Flow Controller (RPFC) scheme is proposed. First, the topology,
Mingming Shi   +3 more
doaj   +1 more source

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