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Application of UHF Sensors in Power System Equipment for Partial Discharge Detection: A Review
Sensors, 2019 Condition monitoring of an operating apparatus is essential for lifespan assessment and maintenance planning in a power system. Electrical insulation is a critical aspect to be monitored, since it is susceptible to failure under high electrical stress ...
B Toan Phung
exaly +3 more sources
Textronic UHF RFID Transponder [PDF]
Sensors, 2021 In order to respond the growing interest towards radio frequency identification textile transponders, the authors propose a new approach to design radio frequency identification (RFID) devices by introducing the RFIDtex concept. The coupling system of inductive loops is implemented in the textronic structure with the RFID interface in order to split ...
Piotr Jankowski-Mihułowicz +3 more
openaire +3 more sources
Environment Conservation Journal, 2023 The investigation was undertaken and micro nutrients status of the area was assessed. During February-March 2020, 50 soil sampling locations from tomato growing areas were selected at random and 100 representative surface (0-15 cm) and sub-surface (15 ...
Aanchal +4 more
doaj +1 more source
Impedance meter in the UHF Band using Reflectometry Techniques
Revista Elektrón, 2023 This paper proposes the design and implementation of an impedance meter in the UHF band using reflectometry techniques. The device has the ability to measure the amplitude ratio and the phase difference of the reflected signal of a system under test with
Brian Maximiliano Gluzman +4 more
doaj +1 more source
On the Performance of a Microstrip Antenna Based UC-PBG Structures for UHF RFID Readers [PDF]
Engineering and Technology Journal, 2018 Microstrip antennas suffer from low gain bandwidth product due to surface wave effects and aperture diffractions that limit their use for long-range communications.
Ali Jalal, Marwa Jwair
doaj +1 more source
Miniaturized Multi-band Compound Antenna for Detecting Partial Discharge in GIS
Zhongguo dianli, 2023 In order to detect the UHF signal of partial discharge (PD) in gas insulated switchgear (GIS), a multi-frequency point broadband compound antenna was designed for detecting PD in GIS.
Yang FENG +4 more
doaj +1 more source
Plant Stress, 2022 Nursery practice in Dalbergia sissoo seedlings was performed in order to establish the efficacy of the rhizobial inoculants for future nurseries.
Vinay Kumar Dhiman +5 more
doaj +1 more source
Socioeconomic status and livestock scenario of Spiti valley of Western Himalayas
Indian Journal of Animal Sciences, 2022 Livestock rearing plays a cogent role in the economy of Himachal Pradesh, as it contributes about 28-30% of the total value of agricultural produce.
ROHIT BISHIST +3 more
doaj +1 more source
2012 International Electron Devices Meeting, 2012 High-performance Schottky diodes based on amorphous IGZO (Indium-Gallium-Zinc Oxide) semiconductor were fabricated and fully characterized. S-parameter measurements and subsequent analysis prove that these diodes have a cut-off frequency over 900MHz at 0V bias, making these diodes a promising choice for UHF applications, such as energy-harvesters for ...
Vaisman Chasin, Adrian Nelson +9 more
openaire +2 more sources
Partial Discharge Localization Method Based on UHF Wireless Sensor Array in Air-insulated Substation
Zhongguo dianli, 2021 To achieve comprehensive insulation deterioration monitoring of power equipment and fault early-warning of air-insulated substations, we propose a data-driven partial discharge (PD) source localization methodology based on received signal strength ...
Shuai YAN +5 more
doaj +1 more source