honghai, li zhou, peng zeping, li
Cables are widely utilized as load-carrying members due to their excellent mechanical properties. However, the inherent damping of cables is usually extremely low, thereby causing undesired vibrations to occur frequently under various external excitations. This study investigates the utilization of rigid restraints with a built-in tuned mass damper...
clemente, paolo
A simple model to evaluate the effects of relative displacements between the ground anchors of a suspension bridge is proposed. An equation system is defined, which allows for the evaluation of the structural response under a general displacement set of the ground anchor points. Then, the most interesting and likely cases are analyzed in detail wit...
Gugulothu, Babu Naik Lakshminarayanan, Sanjay Palati, Madhu Haleyur Lakshmegowda, Suresh Bukya, Mahipal
Published in
Engineering Research Express
Underground cables with cross-linked polyethylene (XLPE) insulation are integral to medium voltage (MV) power transmission systems, ensuring continuous electricity supply amidst operational challenges and environmental conditions. However, the reliability of these cables can be compromised over time due to aging and installation-related factors, pa...
Khan, Salman Butt, Safi Ullah Ahmad, Nafees Khattak, Abraiz Ahmed, Numan Ullah, Nasim Alahmadi, Ahmad Aziz
Published in
Materials Research Express
This paper investigates the performance of novel nano ZnO filled polyamide nanocomposites under hydrothermal conditions for cable insulation applications. Neat polyamide (PA0) and its nanocomposite with 0 wt% (PA0), 1 wt% (PA1), 3 wt% (PA3), 5 wt% (PA5), and 7 wt% (PA7) of nano ZnO were prepared and subjected to accelerated hydrothermal aging condi...
jonaidi, mohammad kaplan, adam keyvanfar, ali
Large-span, post-tensioned (PT) beams play a crucial role in maximizing the benefits of post-tensioning techniques. Bonded and unbonded systems are prevalent, with the latter being more widespread in the United States. While bonded systems are advantageous for creating long spans when multiple tendons are grouped in ducts, limited studies in the li...
tang, shenghua guo, baofeng zhang, xuebing zhang, man zhang, guogang
To calculate the tension in cables with different boundary conditions, the relationship between cables with fixed–fixed and hinged–hinged boundary conditions in terms of the frequency was determined according to frequency characteristic equations of cables with the two boundary conditions. In this way, a simple calculation formula for tension with ...
toth, jakub
Tato bakalářská práce se zabývá výzkumem historických a nejnovějších trendů v osvětlování veřejných prostranství s důrazem na bezpečnost, životnost a co nejnižší náklady na provoz veřejného osvětlení. Cílem práce je zkoumání historie elektrického veřejného osvětlení a jeho vývoje v posledních desetiletích, dále návrh nového osvětlení a zhodnocení h...
Bjurstrom, Anton Edin, Hans Hillborg, Henrik Nilsson, Fritjof Olsson, Richard T. Pierre, Max Unge, Mikael Hedenqvist, Mikael S.
This review focuses on the use of polyolefins in high-voltage direct-current (HVDC) cables and capacitors. A short description of the latest evolution and current use of HVDC cables and capacitors is first provided, followed by the basics of electric insulation and capacitor functions. Methods to determine dielectric properties are described, inclu...
shi, bobo yang, chenyang long, haifan
In recent years, due to the extensive application and inherent fire hazard of cable materials, the combustion characteristics of frequently used cables, including electrical cables, wires, optical fibers, and network cables have been studied based on ISO 5660 cone calorimetry. The fire hazard associated with these cables under different radiation i...
Terseglav, Lan
Zaradi hitro rastoče elektrifikacije vozil v avtomobilskem sektorju, se pojavlja veliko novih inženirskih izzivov. Eden od teh je problematika utrujanja visokonapetostnih kablov kolesnih elektromotorjev in njeno vrednotenje. V ta namen smo zasnovali in izdelali namensko napravo za ciklično upogibanje kablov, s katero smo nato testirali vzorce z raz...
