Results 1 to 10 of about 1,362,980 (290)

Impact of seasons on industrial grounding resistance

open access: yesScientific Reports
A properly designed and constructed ground electrode should perform well for many years. It must be periodically inspected to know its current technical condition. This obligation falls on the installation’s owner. Depending on the function of the ground
Roman Sikora   +3 more
doaj   +3 more sources

Mathematical description of deviation mechanisms positions of track chassis in motion with variable ground resistance [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2023
Engineering methods for designing tracked mechanisms for moving mobile chassis of hoisting and transport, construction, road and other specialized machines are based on constant values of the coefficients of resistance to ground movement when choosing ...
Goncharov K.A.
doaj   +1 more source

Statistical Analysis of Lightning Flashes over Wind Parks in Greece

open access: yesEnergies, 2021
Currently, lightning phenomenon, mechanisms, and impacts on lives and infrastructures have been satisfactorily decoded and studied. Sound knowledge of lightning parameters is available in international literature.
Vasilios P. Androvitsaneas   +3 more
doaj   +1 more source

Analisis Sistem Pentanahan di Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Padang

open access: yesJurnal Teknik Elektro Indonesia, 2021
The ideal grounding resistance to avoid from lightning strikes is R < 1 Ω . This study aims to measure grounding resistance and analyze the resistance grounding at different depths.
Hambali Hambali, Yeza Permata Sari
doaj   +1 more source

Single Pole-to-Ground Fault Location System for MMC-HVDC Transmission Lines Based on Active Pulse and CEEMDAN

open access: yesIEEE Access, 2021
To solve the problem of the location of the fault point of single-pole-to-ground faults in the transmission lines of MMC-HVDC systems, this paper designs a fault location system based on support vector machine (SVM).
Jian-Yu Wu   +3 more
doaj   +1 more source

OPTIMASI KINERJA JARINGAN TRANSMISI 150 KV MENGGUNAKAN SIMULASI GEOGRAPHIC INFORMATION SYSTEM AKIBAT BACK FLASHOVER PADA PLTU JENEPONTO

open access: yesPatria Artha Technological Journal, 2018
Penelitian ini membahas geographic information system merupakan suatu sistem berbasis komputer yang yang digunakan untuk memanipulasi serta menyimpan informasi geografis yang  dapat  dianalisa  berdasarkan  lokasi suatu objek  untuk  kepentingan ...
Mochammad Apriyadi Hadi Sirad   +1 more
doaj   +1 more source

Analysis on structural parameters and electrical performance of dc deep well grounding electrode

open access: yesThe Journal of Engineering, 2019
Deep well-grounding electrodes (DWGE) have advantage of smaller occupied area, and the number of sub-ground electrodes is less than that of the vertical grounding electrodes, thus has a good development prospects.
Yun Teng   +6 more
doaj   +1 more source

Wind resistance calculation of large rotary mesh antenna and its influence on dynamic balance precision

open access: yesXibei Gongye Daxue Xuebao, 2021
Due to the wind resistance which acts on the main reflector of large rotary mesh antenna, the correct balancing result of satellite antenna is difficult to be gotten in the ground dynamic balancing test.

doaj   +1 more source

Numerical Modelling of Displacement Pile Resistance in Sand Ground. Part 1: Soil Physical Model, Calibration of Model Parameters

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2021
Accuracy of numerical modelling of ground resistance of the displacement pile highly depends on proper evaluation of its states: prior loading and its changes during the loading.
Vaidas Martinkus   +2 more
doaj   +1 more source

Evaluation of a Direct Lightning Strike to the 24 kV Distribution Lines in Thailand

open access: yesEnergies, 2019
This paper evaluates the effect of a lightning strike directly on the 24 kV distribution lines in Thailand, where such strikes are one of the main causes of power outages.
Pornchai Sestasombut   +1 more
doaj   +1 more source

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