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Location-resolved PDL Monitoring with Rx-side Digital Signal Processing in Multi-span Optical Transmission System

Optical Fiber Communications Conference and Exhibition, 2022
We propose a novel monitoring that enables to localize PDL in multi-span transmission using only Rx-side DSP and experimentally demonstrate sufficient accuracy within error of 1km with eighty-two polarization combinations in three-span, 180-km ...
Motohiko Eto   +4 more
semanticscholar   +1 more source

In-plane free vibrations of multi-span transmission lines

Canadian Journal of Civil Engineering, 2019
A theoretical method of in-plane mode and natural frequency of multi-span transmission lines is presented. The main idea is to establish moment balance equations of each insulator string and in-plane vertical motion equation of each span in multi-span section when the effect of conductor inertia component parallel to the chord on the additional ...
Liming Qi, Ameng Xu, Xiaohui Liu
openaire   +1 more source

Prediction of normal modes of multi-span transmission lines by the assumed modes technique

Journal of Sound and Vibration, 1973
A method of finding the normal modes and natural frequencies of multi-span transmission lines by using assumed modes is described, and the assumptions and limitations discussed. Kinetic and potential energy expressions are first of all formulated for a single-span catenary and then applied to provide the equations of motion in the multi-span case ...
M.C. Borgohain, G.T.S. Done
openaire   +1 more source

Multi‐Mode Vibrational Triboelectric Nanogenerator for Broadband Energy Harvesting and Utilization in Smart Transmission Lines

Advanced Energy Materials, 2023
The advantages of the triboelectric nanogenerator (TENG) in environmental energy harvesting and utilization determine that they have great development potential in the digital application of power grids.
Xiaosong Zhang   +7 more
semanticscholar   +1 more source

Self-powered Triboelectric Vibration Sensor Network Construction for Overhead Transmission Line Vibration Mapping

IEEE International Conference on High Voltage Engineering and Application, 2022
The frequent aeolian vibrations on overhead transmission lines potentially endanger the line health, this situation is even worse for the high-voltage long-span lines, which has attracted increased attention focused on the online monitoring of vibrations.
Yun Feng   +5 more
semanticscholar   +1 more source

Study on calculation of wind deviation of transmission line by computational fluid dynamics

2022 International Conference on Manufacturing, Industrial Automation and Electronics (ICMIAE), 2022
As an important way to ensure power consumption, the wind deflection flashover of transmission line has a serious impact on industrial and daily power consumption. The value of wind deflection angle of insulator string in current design code is seriously
Lei Zhou   +3 more
semanticscholar   +1 more source

Extensible catenary approach in analyzing transmission line’s conductors under downbursts

, 2021
The objective of this paper is to develop a mathematical approach that can predict the structural performance of a cable with end points unaligned both vertically and horizontally. The approach takes into account the extensibility of the cable. Moreover,
A. Shehata, A. E. Damatty
semanticscholar   +1 more source

Nonlinear Distortion Equalization in Multi‐Span Optical Links Via a Feed‐Forward Photonic Neural Network

Laser & Photonics Reviews
Linear and nonlinear distortions in optical communication signals are equalized using an integrated feed‐forward Photonic Neural Network (PNN). The PNN is based on a linear stage made of an 8‐tap Finite Impulse Response (FIR) filter, featuring tunable ...
Emiliano Staffoli   +3 more
semanticscholar   +1 more source

Multi-span optical power spectrum prediction using cascaded learning with one-shot end-to-end measurement

Journal of Optical Communications and Networking
Scalable methods for optical transmission performance prediction using machine learning (ML) are studied in metro reconfigurable optical add-drop multiplexer (ROADM) networks.
Zehao Wang   +4 more
semanticscholar   +1 more source

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