Results 71 to 80 of about 730,155 (283)

Interaction between Molten Al‐Killed Mn–B Steel and Carbon‐Bonded MgO Refractories Based on Recyclates

Advanced Engineering Materials, EarlyView.
High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé, Lukas Neubert, Anton Yehorov, Till M. J. Stadtmüller, Christos G. Aneziris, Olena Volkova   +5 more
wiley   +1 more source

STANDARDS IN CONTROL AND PROTECTION TEHNOLOGY FOR ELECTRIC POWER SYSTEMS [PDF]

The features of the standard IEC 16850 with respect to intelligent applications in substations are summarized. It is shown how modeling of functions independently from its allocation to devices allows optimizing existing applications and opening up for ...
Daniel COSTIANU, Ioana FĂGĂRĂŞAN, Nicoleta ARGHIRA, Sergiu St. ILIESCU   +3 more
core   +3 more sources

Dynamic Severity Assessment of Partial Discharge in HV Bushings Based on the Evolution Characteristics of Dense Clusters in PRPD Patterns

Sensors
High-voltage bushings are critical insulation components, yet conventional PRPD-based severity assessment methods that rely on global pattern morphologies such as “rabbit ears” and “tortoise shell” remain coarse, lack local sensitivity, and fail to track
Xiang Gao, Zhiyu Li, Zuoming Xu, Pengbo Yin, Xiongjie Xie, Xiaochen Yang, Baoquan Wan   +6 more
doaj   +1 more source

Symmetries and collective excitations in large superconducting circuits

, 2012
The intriguing appeal of circuits lies in their modularity and ease of fabrication. Based on a toolbox of simple building blocks, circuits present a powerful framework for achieving new functionality by combining circuit elements into larger networks. It
B. E. Sagan, E. U. Condon, F. London, M. Hamermesh, M. H. Devoret   +4 more
core   +2 more sources

Investigation of Laser Ablation and Brush Pre‐Treatments for AlCu Cold Roll Bonding in Oxygen‐Free Conditions

Advanced Engineering Materials, EarlyView.
It is shown that laser ablation pretreatment under oxygen‐free conditions enables copper–aluminium bonding at significantly lower deformation degrees and improved properties compared to mechanical brushing. Laser ablation further increases interface contact area and induces favourable residual stress states and microstructural compatibility ...
Khemais Barienti, Finn‐Lennard Janthur, Selina Raumel, Sascha Jan Zimmermann, Sarah Seffer, René Gustus, Sebastian Herbst, Marc C. Wurz, Ludger Overmeyer, Wolfgang Maus‐Friedrichs, Hans Jürgen Maier, Florian Nürnberger   +11 more
wiley   +1 more source

A Simple Method for State of Health Estimation of Lithium-ion Batteries Based on the Constant Voltage Charging Curves

Electrochemistry
The extraction of health factors (HFs) is a crucial step in estimating the state of health (SOH) of lithium-ion batteries using data-driven methods.
Qi ZHANG, Xin CHEN, Yaoze CAI, Yongxiang CAI, Wei LIU, Qiangqiang LIAO   +5 more
doaj   +1 more source

Research on overvoltage and minimum air clearance on 1000 kV AC side of converter transformer in ±1100 kV Guquan converter station

The Journal of Engineering, 2019
In the hierarchically connected ultra-high voltage (UHV) DC projects, the minimum air clearance on the 1000 kV AC side of converter transformer directly affects the layout and area of the valve hall.
Lou Ying, Li Zhenqiang, Xie Liang, Wan Lei   +3 more
doaj   +1 more source

Effect of cross-country fault of distance protection in transmission line with different voltage levels [PDF]

, 2014
Transmission overhead line is one of the main elements in electric power system. Electrical power system comprises of generation, transmission and distribution. For transmission lines, it is used to transmit electric power to large load center. Nowadays,
Abdul Karim, Sazali P., Habi Buddin, Mohd. Hafiz, Mohd. Yusof, Alias, Mohd. Zin, Abdullah Asuhaimi, Omar, Nur Afifah   +4 more
core  

Enhanced Gamma Radiation Shielding Using Epoxy Quartz Fabric Composites Reinforced With CoCl2 Microparticles

Advanced Engineering Materials, EarlyView.
The growing demand for lightweight, nontoxic, and multifunctional gamma shielding materials has intensified efforts to find alternatives to conventional lead and aluminum‐based protectants. In this work, we develop epoxy quartz fabric composites reinforced with cobalt chloride (CoCl2) microparticles, fabricated via hand lay‐up with varying filler ...
Summan Urooge, Ahsan Irshad, Umar Jamil, Srosh Fazil, Khuram Liaqat, Kashif Shahzad, Fakhar Alam, Mehboob Alam   +7 more
wiley   +1 more source

Inverter-converter automatic paralleling and protection [PDF]

Electric control and protection circuits for parallel operation of inverter ...
Doughman, C. L., Lenhart, N. D., Marino, B. A.   +2 more
core   +1 more source