Results 141 to 150 of about 262,158 (170)

Measuring the Microwave Magnetic Permeability of Small Samples Using the Short-Circuit Transmission Line Method

IEEE Transactions on Instrumentation and Measurement, 2013
We present a method for estimating the bandwidth and the measurement errors of the shorted transmission line method used to obtain the permeability and the permittivity of magnetic materials. The permeability and the permittivity of a toroidal test sample are determined by measuring the reflection coefficients of a shorted coaxial transmission line and
Antti Vepsalainen, Khattiya Chalapat, Georghe S. Paraoanu   +2 more
exaly   +7 more sources

Method of Short-Circuit Fault Diagnosis in Transmission Line Based on Deep Learning

International Journal of Pattern Recognition and Artificial Intelligence, 2022
It is important to locate the fault distance and identify the fault types quickly, take effective measures to maintain line stability, and minimize the losses timely when there are short-circuit faults in transmission lines. For this purpose, a method based on deep learning is proposed for short-circuit faults identification in the transmission line ...
Tong Li, Hai Zhao, Xiaoming Zhou, Shidong Zhu, Zheng Yang, Hongping Yang, Wei Liu, Zhenliu Zhou   +7 more
openaire   +1 more source

A short-circuit transmission line method for PIM evaluation of metallic materials

2006 Asia-Pacific Microwave Conference, 2006
A short-circuit transmission line method for PIM evaluation of metallic materials is proposed in this paper. This method has no restriction of impedance matching at all, and is advantageously free from the low noise termination problem. This enables to treat arbitrarily-shaped samples as a point PIM source, and evaluate them in appropriate current ...
Yasuyuki Yamamoto, Nobuhiro Kuga
openaire   +1 more source

The method of short circuit fault identification and location in high-voltage transmission line

2013 Sixth International Conference on Advanced Computational Intelligence (ICACI), 2013
That the phenomena of transmission line fault takes place occasionally in our country has a severe impact on power system stability. It has great significance for reliable power supply to identify short circuit fault and cut it quickly. A new method of fault identification and location is proposed in the paper.
Qing Dong, Zhigang Liu
openaire   +1 more source

Data-reduction method for simultaneous measurement of permittivity and permeability with a short-circuited transmission line

2009 9th International Conference on Electronic Measurement & Instruments, 2009
Based on nonlinear least-squares optimization techniques and interpolation techniques, a data-reduction method for determining the complex electromagnetic parameters of materials with a short-circuited transmission line is presented in this paper, which takes frequency as an independent variable in order to establish independent reflection equations ...
Caijun Zhao, Quanxing Jiang, Shenhui Jing   +2 more
openaire   +1 more source

Determining the Accuracy Locating Faults in a Power-Transmission Line by an Artificial Short Circuit Method

Russian Electrical Engineering, 2019
Locking devices (LDs) and most recorders of emergency events and microprocessor protection terminals are provided with the capacity for fault location determination (FLD) of power transmission lines that are in the operating zone of the North Caucasus Manager Department.
D. N. Gura, A. L. Korol’kov, V. M. Pastorov, V. M. Kozhevnikov   +3 more
openaire   +1 more source

Detection of disconnection faults and double-phase short circuits in the wires of overhead transmission lines by the location method

Russian Electrical Engineering, 2009
The specific features of the detection of disconnection faults and double-phase short circuits in the wires of overhead transmission lines (OTLs), which have a tree topology with a voltage of 6–35 kV and a linear structure with a voltage of 110 kV and higher, have been studied.
R. G. Minullin, Yu. Ya. Petrushenko, I. Sh. Fardiev, E. I. Lukin   +3 more
openaire   +1 more source

Short-Circuit Power Transmission Line Analysis for a Nine-Phase Transmission Line Using Phase Frame Method

2023 International Conference on Power Energy Systems and Applications (ICoPESA), 2023
Patrick. S. Pouabe Eboule, Jan Harm C. Pretorius   +1 more
openaire   +1 more source

Analysis of short-circuit electrodynamic vibration response of triangularly arranged iced transmission lines based on finite element method

Structures, 2023
He Zhu, Cheng Liu, Yue Zhang, Zhaobing Han, Shengnan Pan   +4 more
openaire   +1 more source