Results 51 to 60 of about 14,343 (257)

Perfluorohexanone for Clean Fire Suppression: Mechanisms, System Design, Applications, and Future Directions

open access: yesSafety Science and Technology, EarlyView.
Driven by halon and high GWP agent phase out, perfluorohexanone is increasingly deployed in enclosures such as data centers, marine machinery spaces, and industrial process lines. This review summarizes application performance, discharge and distribution design, material compatibility, and byproduct control and maps practical gaps for large volume and ...
Zhilei Yu   +8 more
wiley   +1 more source

Techno-economic evaluation of power electronics-assisted transmission system frequency regulation

open access: yesThe Journal of Engineering, 2019
In many future power systems, the power generation may be predominantly supplied from converter interfaced sources (i.e. wind, solar, HVDC interconnection).
Rakibuzzaman Shah   +3 more
doaj   +1 more source

Research on Classification of Substation Background Information for Monitoring [PDF]

open access: yesE3S Web of Conferences, 2019
The substations are important parts of modern electrical grids. The monitoring of background information in substations should be carefully managed to keep the smoothly operating of the electrical system. However, there are still some problems in present
Yang Wang   +3 more
doaj   +1 more source

Optimal construction method and demonstration application of multi-in-one station grounding system

open access: yesGlobal Energy Interconnection, 2021
Mutual influence may be driven by different models and operating mechanisms of grounding systems in multi-in- one substations. Even equipment damage and personal injury will occur in the event of a short-circuit or lightning strike.
Yanxing Cai   +5 more
doaj   +1 more source

Optimal Placement of Grid Battery Energy Storage Systems for Congestion Mitigation and Enhanced Power‐Flow Control Considering Uncertainties in Photovoltaic Deployment

open access: yesIEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
Amidst the global drive toward carbon neutrality, the integration of large‐scale photovoltaic (PV) systems introduces significant challenges related to grid congestion. Battery energy storage systems (BESSs) are increasingly recognized as an effective solution for addressing these challenges and improving grid operations, especially under the ...
Sakurako Kuraguchi   +7 more
wiley   +1 more source

Reduction of Higher Harmonic Components at DC Traction Substations [PDF]

open access: yes, 2020
UKR: У даній роботі розглядається проблема зниження вищих гармонік, що виникла у зв'язку з застосуванням напівпровідникової перетворювальної техніки з нелінійною вольт-амперною характеристикою.
Тижбір, Христина Іванівна
core  

Heat load patterns in district heating substations [PDF]

open access: yes, 2013
Future smart energy grids will require more information exchange between interfaces in the energy system. One interface where dearth of information exists is in district heating substations, being the interfaces between the distribution network and the ...
Gadd, Henrik   +3 more
core   +1 more source

ABOUT THE LOAD FACTOR OF POWER TRANSFORMERS OF THE RAILWAY TRACTION SUBSTATIONS

open access: yesNauka ta progres transportu, 2009
The author has proposed the criterion and method of determination of optimum load factors of power transformers of railway traction substations.
V. H. Kuznetsov
doaj  

ON THE ISSUE OF DESIGN OF GROUNDING SYSTEMS OF 330(220) KV SUBSTATIONS TO ENSURE THE ELECTROMAGNETIC COMPATIBILITY OF SECONDARY CIRCUITS

open access: yesElectrical engineering & Electromechanics, 2018
Purpose. The purpose of the work is to develop the fundamentals of the design methodology of grounding system design of substations with open switchgears 330 (220) kV, which is aimed at ensuring electromagnetic compatibility of secondary circuits of ...
O. Yu. Glebov   +3 more
doaj   +1 more source

Calculating the Interconnection Limit from a Comprehensive Voltage Evaluation for Distribution Systems with Large Distributed Energy Resources

open access: yesIEEJ Transactions on Electrical and Electronic Engineering, EarlyView.
Japan is pursuing power source decarbonization and is thus reducing fuel‐based thermal power generation while promoting renewable energy resource use. Given the expected power fluctuations, this transition will require novel voltage management and control methods.
Satoshi Uemura   +2 more
wiley   +1 more source

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