Recent advancements in optical fiber hydrogen sensors

Y Zhang, H Peng, X Qian, Y Zhang, G An… - Sensors and Actuators B …, 2017 - Elsevier
A review for optical fiber hydrogen sensors based on palladium (Pd) and tungsten oxide
(WO 3) thin films is presented, with specific focus on the measurement methods, probe …

Review of optical hydrogen sensors based on metal hydrides: Recent developments and challenges

K Chen, D Yuan, Y Zhao - Optics & Laser Technology, 2021 - Elsevier
As a clean and sustainable energy source, hydrogen gas is highly demanded in industrial
and commercial fields. Accordingly, the swift and accurate detection of hydrogen gas is …

Pd-doped MoS2 monolayer: A promising candidate for DGA in transformer oil based on DFT method

H Cui, X Zhang, G Zhang, J Tang - Applied Surface Science, 2019 - Elsevier
Density functional theory (DFT) method was carried out to simulate the adsorption of three
dissolved gases on Pd-doped MOS 2 (Pd-MoS 2) monolayer. We initially studied the …

Gas sensing performances and mechanism at atomic level of Au-MoS2 microspheres

J Wang, Q Zhou, Z Lu, Z Wei, W Zeng - Applied Surface Science, 2019 - Elsevier
The detection of oil-dissolved gases (such as CO, CH 4 and H 2) in transformers on-line is
an important technology to predict and judge the operating status of transformers …

Adsorption behavior of metal oxides (CuO, NiO, Ag2O) modified GeSe monolayer towards dissolved gases (CO, CH4, C2H2, C2H4) in transformer oil

Y Gui, Z Liu, C Ji, L Xu, X Chen - Journal of Industrial and Engineering …, 2022 - Elsevier
In this study, the adsorption behavior of CuO-GeSe, NiO-GeSe, and Ag 2 O-GeSe towards
the main dissolved gases CO, CH 4, C 2 H 2, and C 2 H 4 in transformer oil was …

Review on fiber-optic sensing in health monitoring of power grids

Q Chai, Y Luo, J Ren, J Zhang, J Yang… - Optical …, 2019 - spiedigitallibrary.org
Fiber-optic sensing technology is best adapted to health monitoring and evaluation of power
grids because of its immunity of electromagnetic interference, capabilities of multiplexing …

Partial discharge detection in an oil-filled power transformer using fiber Bragg grating sensors: A review

SN Meitei, K Borah, S Chatterjee - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
Power transformer is one of the most important high voltage apparatus in any power system
network. The life span of such apparatus commonly relies upon its insulation condition. The …

Optical fiber hydrogen sensor with single Sagnac interferometer loop based on vernier effect

B Wu, C Zhao, B Xu, Y Li - Sensors and Actuators B: Chemical, 2018 - Elsevier
An optical fiber hydrogen sensor with single Sagnac interferometer loop based on vernier
effect has been proposed. The vernier effect is achieved by angle shift splicing two …

Distributed partial discharge detection in a power transformer based on phase-shifted FBG

GM Ma, HY Zhou, C Shi, YB Li, Q Zhang… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
To overcome the low sensitivity of power transformer partial discharge (PD) detection by a
lead zirconate titanate (PZT) sensor, we propose a novel PD detection system based on …

Theoretical study of dissolved gas molecules in transformer oil adsorbed on intrinsic and Cr-doped InP3 monolayer

Y Liao, Q Zhou, W Hou, J Li, W Zeng - Applied Surface Science, 2021 - Elsevier
Transition metal doping plays a significant role to regulate the electronic properties of the
material substrates. In this paper, the effect of Cr dopant on InP 3 monolayer and its …