Results 61 to 70 of about 4,011 (301)

PENGEMBANGAN MEDIA OBYEK 3D VACUUM CIRCUIT BREAKER MEMANFAATKAN PIRAMIDA HOLOGRAM

open access: yesJurnal Kajian Teknologi Pendidikan, 2019
Media obyek 3 dimensi digital vacuum circuit breaker memanfaatkan pirmida hologram adalah media yang menampilkan obyek tiruan yaitu vacuum circuit breaker berbentuk digital grafis memanfaatkan piramida hologram.Tujuan penelitian ini untuk menghasilkan ...
Dana Kurniawan   +2 more
doaj   +1 more source

Self‐Sintering Ionogel Binder for Flexible, Recyclable, and Healable Printed Giant Magnetoresistive Sensors

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo   +10 more
wiley   +1 more source

Simulation and research on over-voltage suppression for high voltage transmission line

open access: yesThe Journal of Engineering, 2019
For different types of fault in transmission line, the generation mechanism of tripping and closing over-voltage is analysed. To built the double power supply system of high-voltage transmission line simulation model by PSCAD/EMTDC, finally, for the ...
Qi Yao, Chuan Su, Yi Ji
doaj   +1 more source

Deep auto-encoder network for mechanical fault diagnosis of high-voltage circuit breaker operating mechanism

open access: yesPaladyn, 2023
To improve the accuracy of the mechanical fault diagnosis of the operating mechanism and fully exploit the characteristic information in the vibration signal of the high-voltage circuit breaker, a mechanical fault diagnosis method of the operating ...
Yang Qiuping, Hao Fang
doaj   +1 more source

Regulated Ion‐Diffusion Hydrogels for Subtle and Multimodal Temperature‐Strain Sensing in Wound Monitoring

open access: yesAdvanced Functional Materials, EarlyView.
A soft, dual‐channel hydrogel patch enables simultaneous detection of wound temperature and strain by integrating ion‐diffusion‐mediated thermoelectric and resistive sensing. The conformal design maintains stable performance during motion, capturing subtle inflammatory and mechanical changes for continuous wound monitoring.
Yu Fang   +7 more
wiley   +1 more source

A Low Voltage Circuit Breaker Switch Trip Circuit State Detection Method Based on Current Signal Characteristic Extraction and Bidirectional Long Short‐Term Memory Neural Network

open access: yesEngineering Reports
To accurately and timely detect the status of the low‐voltage circuit breaker switch trip circuit, ensure the safe and stable operation of the power system, and reduce economic losses caused by circuit breaker failures, a method for detecting the status ...
Wei Zhang, Ping Wang
doaj   +1 more source

Omnipolar Magnetic Field Detection by Superlattice‐Based Hall Sensor

open access: yesAdvanced Functional Materials, EarlyView.
Magnetic‐field‐induced electronic switching is demonstrated in unit‐cell‐engineered La0.7Sr0.3MnO3–BiFeO3 superlattices. Distinct substrate terminations modify magnetic and transport properties. Hall resistance measurements show omnipolar, hysteretic anomalous Hall switching above the Curie temperature, arising from Fe─Mn interfacial exchange, enabling
Mark Huijben   +6 more
wiley   +1 more source

Fast Charge–Discharge of LiNi0.9Co0.05Mn0.05 Enabled by a Bikitaite‐Infused Separator for Li Metal Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A bikitaite‐infused cellulose separator is introduced for Li metal batteries, leveraging bikitaite zeolite's ion‐conductive properties to regulate Li+‐ion flux and suppress dendrite growth. The membrane design ensures uniform Li plating, enhanced electrolyte wettability, and robust thermal/mechanical stability, delivering stable performance and low ...
Isheunesu Phiri   +2 more
wiley   +1 more source

A hybrid circuit breaker based on current commutation approach for multi-feeder DC railway substations

open access: yesCSEE Journal of Power and Energy Systems, 2019
The paper presents an economic hybrid circuit breaker for limiting and interrupting the faults in DC railways substations. For fast fault current interruption, the hybrid breaker incorporates high speed mechanical contacts actuated by power semiconductor
Saady Hasan
doaj   +1 more source

Polymer Interface Enables Reversible Quasi‐Solid Sulfur Conversion in Sodium‐Sulfur Batteries

open access: yesAdvanced Functional Materials, EarlyView.
The polymer interface enables a stable quasi‐solid sulfur conversion pathway in room‐temperature Na─S batteries. The coating regulates Na+ transport, stabilizes the cathode–electrolyte interphase, and accommodates mechanical stress, suppressing electrolyte decomposition and sulfur migration, thereby improving reaction uniformity, reducing polarization,
Reza Andaveh   +12 more
wiley   +1 more source

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