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Journal articles on the topic 'Cable plant'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Ul-Hamid, Anwar, Khaled Y. Soufi, Luai M. Al-Hadhrami, and Ahsan M. Shemsi. "Failure investigation of an underground low voltage XLPE insulated cable." Anti-Corrosion Methods and Materials 62, no. 5 (2015): 281–87. http://dx.doi.org/10.1108/acmm-02-2014-1352.

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Purpose – This paper aims to determine the effect of exposure of underground electrical cables to chemically contaminated water. Design/methodology/approach – Visual inspection and photography were carried out to record the appearance of electrical cables. Failed and un-failed cable samples were collected and analyzed using light microscopy, scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy and Fourier transform infrared spectroscopy. Sand and water samples were chemically tested for contaminants. Findings – Underground low-voltage 0.6/1-kV cross-linked polyethene

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2

Khaerul Fahmi, Setiawan, Wanto, and Wikrama Wardana. "Analisis Kinerja Plant Produksi PT. JCC Dengan Menggunakan Perhitungan Overall Equipment Evectiveness (OEE)." Lensa 16, no. 1 (2022): 19–25. http://dx.doi.org/10.58872/lensa.v16i1.24.

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PT. JCC Established in April 1973, PT Jembo Cable Company Tbk. started by producing Low Voltage Electrical Cables - copper conductors. Then continue to add product varieties, such as Low Voltage Cable - aluminum conductor, Medium Voltage Cable, Telephone Cable and Fiber Optic Cable and also expand its market. Production Plant performance can be improved or maintained by conducting regular evaluations of the process. The evaluation carried out is by analyzing OEE (Overall Equipment Effectiveness). OEE (Overall Equipment Effectiveness) is a calculation method used to determine the effectiveness

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3

Kim, Ho-Seung, Jiho Jung, and Bang-Wook Lee. "Analysis of Deterioration Characteristics of Service-Aged XLPE Cables According to Installation Location of Combined Heat and Power Plant." Energies 17, no. 9 (2024): 2024. http://dx.doi.org/10.3390/en17092024.

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The number of XLPE cables being used near or beyond their design life is increasing. The importance of timely cable replacement is necessary. Therefore, research is actively being conducted using VLF Tan δ diagnostic technology to assess the insulation condition of cables. Present studies lack in measuring and analyzing the VLF Tan δ of service-aged XLPE cables. Additionally, there is a research gap considering the operating environment. Therefore, it is needed to diagnose and analyze the insulation condition of the same service-aged cable when it is operated in a different environment. This p

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Akšamović, A., S. Odžak, A. Tihak, S. Grebović, and S. Konjicija. "DC cable cross-section selection for PV plants." Journal of Physics: Conference Series 2339, no. 1 (2022): 012001. http://dx.doi.org/10.1088/1742-6596/2339/1/012001.

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Abstract This paper analyzes the problem of DC cable selection in photovoltaic (PV) plants. PV plants can have tens of kilometres of one-way cables that are important parts of the system. The currents flowing through these cables can reach values of several hundred amps. Losses incurred on DC cables are up to 1%, which can be significant when measuring power loss during the operating period. Reduction of these losses can be achieved by increasing the cross-section of the cable. The paper describes the requirements set by the standards for selecting cable cross-sections. An analytical criterion

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Jang, Kyung Nam, Jong Soeg Kim, Sun Chul Jeong, Kyung Heum Park, and Sung Yull Hong. "Analysis of the Degradation Tendency of NPP Cables Using a Wireless Cable Indenting Robot." Applied Mechanics and Materials 284-287 (January 2013): 1749–53. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.1749.

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In nuclear power plants, there are many cables that perform safety-related functions. These cables should implement condition monitoring during the operation period in the nuclear power plant, in order to assess the remaining qualified life and extend the qualified life. In this study we focused on the indenting method which can measure the hardness of the cable jacket. This method is selected because it is non-destructive and requires short testing time and small sized equipment. In order to address the problems with the existing indenting test equipment, we developed new indenting test equip

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Zhao, Yu, Yanping Liu, Shaoxian Chu, Gang Liu, and Yue Xie. "Experimental Study on Electromagnetic Interference on control cable from two unbalanced 10 kV Power Cables." Journal of Physics: Conference Series 2625, no. 1 (2023): 012022. http://dx.doi.org/10.1088/1742-6596/2625/1/012022.

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Abstract The occurrence of unpredicted and sudden failures in power cables seriously threatened the nearby control cables. Two cases of unbalance in the three-phase current load originate from a high horsepower pump and a sudden power off in an MW pump, resulting in an error signal detected in the adjacent control cable. However, these two cases just occurred once during the plant operation; no more history records can be a reference. In this paper, a typical power cable and control cable structure was constructed, typical accidents in power cables were considered, and electromagnetic interfer

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Al_Issa, Huthaifa A., Mohamed Qawaqzeh, Alaa Khasawneh, Roman Buinyi, Viacheslav Bezruchko, and Oleksandr Miroshnyk. "Correct Cross-Section of Cable Screen in a Medium Voltage Collector Network with Isolated Neutral of a Wind Power Plant." Energies 14, no. 11 (2021): 3026. http://dx.doi.org/10.3390/en14113026.

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The article discusses the selection of cables for power lines connecting wind turbine generators at the wind power plant. The screen cross-section of these cables should be selected considering the value of the screen current at double line-to-earth fault. To calculate this current, the dimensions of the cable should be known. However, these parameters are hidden and cannot be used during designing. Therefore, a highly simplified method is currently used in practice. It is shown that the errors from the highly simplified method are up to 33%. Authors propose a simplified method based on open d

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Čeović, Josip, and Matko Širola. "Medium and Low Voltage Cable Measurements - TD, PD, LIRA." Journal of Energy - Energija 65, no. 1-2 (2022): 24–37. http://dx.doi.org/10.37798/2016651-2125.

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Elmont d.o.o. Krško – We have spread our main scope of the services from electrical maintenance, modifications implementations and quality control to cable testing area. The main reason for expanding our scope was to support Nuclear Power Plant Krško Cable Aging Management program and the world trend of LTE (Life Time Extension) in power plants. Scope of work – We are identifying potential downgraded conditions for safety and operational important cables in special areas (heat, water, radiation). Our main scope is visual control, and testing with analysis. For low voltage cables the main testi

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Song, Seung-Ho, and Soo-Bin Kim. "Coordinated Reactive Power Control with a Variable Shunt Reactor and an Inverter-Based Wind Power Plant." Energies 15, no. 13 (2022): 4739. http://dx.doi.org/10.3390/en15134739.

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Underground or submarine cables have a higher capacitance component than overhead lines, and they inject a large amount of capacitive reactive power into the system. A separate reactive power compensation device is required in order for a wind power plant (WPP) connected to the public network with a cable to meet the reactive power requirements required by the grid code. In this paper, a reactive power control using a variable shunt reactor (VSR) was proposed to satisfy the reactive power requirement required by the grid code for a WPP connected to the grid through a cable. The proposed reacti

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Yuan, Qi, Qiang Xu, Bangle He, et al. "Research on high voltage cable fault location technology based on neural network." Journal of Physics: Conference Series 2310, no. 1 (2022): 012023. http://dx.doi.org/10.1088/1742-6596/2310/1/012023.

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Abstract At present, high voltage cables are widely used in urban transmission system. When cable fault occurs, the speed of locating fault point and the accuracy of locating fault point play a decisive factor for power system to restore power supply quickly. This article adopted the method of neural network model based on the traveling wave ranging method. It could judge the fault location of 35kV~500kV high-voltage cable more quickly and accurately. Then, we have designed a portable high volt cable fault location device, which has been tested in the domestic power plant. The experiment showe

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Sharma, Neha, Rajeev Tivari, Dipesh Palit, and Praveen Dutta. "Computer-aided 3D routing of Instrumentation Cables." International Journal of Scientific Research and Management 9, no. 03 (2021): 564–72. http://dx.doi.org/10.18535/ijsrm/v9i3.ec01.

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This paper presents the process of 3D routing of Instrumentation cables for a thermal power plant using the integration capabilities of Instrumentation, Electrical and 3D modules of SmartPlant[1]. Efficient use of integration linkages amongst various modules of SmartPlant is explained. Workflow of preparing cable schedule for Instrumentation cables in an integrated environment is discussed. The processes of routing the Instrumentation cables in an existing 2D CAD software and in 3D software are compared and rules and constraints applied on cable tray network in 3D module for routing the Instru

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Jakić, Irena, and Nenad Debrecin. "Aging of Power Cables in Nuclear Power Plant due to Influence of Local Temperature Conditions." Journal of Energy - Energija 62, no. 1-4 (2022): 33–44. http://dx.doi.org/10.37798/2013621-4216.

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A significant number of operating nuclear power plants (NPP) is approaching the end of the initially estimated design life. Considering that plants are stable and competitive, it may be possible to extend design lives to 60 years (perhaps even longer). Before expending life time, ageing in NPPs must be effectively managed to ensure the availability of design functions throughout the plant service life. From the safety perspective, this means controlling ageing degradation and wear-out within acceptable safety limits so that adequate safety margins remain, i.e. integrity and functional capabili

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Vermeulen, P. J. "Die bepaling van die kragverspreiding in die drakabel van ’n sweefspoor." Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie 12, no. 3 (1993): 55–60. http://dx.doi.org/10.4102/satnt.v12i3.563.

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The analysis of the forces in the uniform carrying cable of a cableway, used for conveying ore to an enrichment plant, is described. For the purpose of the analysis the problem is considered as a static equilibruim problem. The elasticity of the cable, its motion relative to the pylon supports after loading with carts, the weights of the loaded ore carts, and the forces exerted by the towing rope are taken into consideration. Since the cable is pulled taut the influence of bending moments is negligible and consequently the cable may be considered as a perfectly flexible cable that may be model

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Pirc, Marko, and Jurij Avsec. "CABLE-AGING MANAGEMENT PROGRAM IMPLEMENTATION IN NUCLEAR POWER PLANTS." Journal of Energy Technology 9, no. 2 (2024): 63–81. https://doi.org/10.18690/jet.9.2.63-81.2016.

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As a requirement for nuclear power plant life extension beyond 40 years, some additional Aging Management Programs (AMP) for passive equipment have to be implemented. This article presents an overview of Cable-Aging Management Program (CAMP) activities. The program defines basic rules and initial activities for the identification of adverse operation environment parameters that could lead to the accelerated aging of specific materials. Samples of cables are selected based on nuclear safety and electrical equipment criticality for inspection and testing, to check functionality and prevent unexp

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Tian, Feng, Yan Rong Ni, and Wen Su. "Service Life Evaluation of Nuclear Power Plant Cable." Advanced Materials Research 512-515 (May 2012): 890–93. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.890.

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In this article we present our evaluation of the service life of the 6/10kv nuclear power plant electrical cables joint developed by our school and cooperative enterprise. The evaluation is based on the thermal life equation evolved from the Arrhenius equation: Log τ = a + b / T. Taking into account the effects of the manufacturing process on the service life of the cable, all of our samples are chosen directly from the factory finished product. The material of the first sample is cross-linked polyethylene, and the material of the second sample is low-smoke non-halogen cross-linked polyolefin.

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16

Troshkin, S. "CONDUCTING A NATURAL FIRE TEST IN THE VERTICAL CABLE TUNNEL OF A NUCLEAR POWER PLANT." Municipal economy of cities 6, no. 180 (2023): 168–75. http://dx.doi.org/10.33042/2522-1809-2023-6-180-168-175.

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The article discusses conducting a full-scale fire test in the vertical cable tunnel of a nuclear power plant (NPP). Vertical cable tunnels in NPPs are used for laying cable lines, wires, safety system lines, connecting the equipment room, and the containment of the nuclear power plant block. The paper analyses research methods and selects options that will be effectively used to determine the temperature regime in the vertical cable tunnel of NPPs with known aerodynamic, technical, and geometric parameters and fire loads. The algorithm for conducting full-scale tests in the vertical cable tun

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17

Korayem, Moharam Habibnejad, Mahdi Yousefzadeh, and Hami Tourajizadeh. "Optimal Control of a Wheeled Mobile Cable-Driven Parallel Robot ICaSbot with Viscoelastic Cables." Robotica 38, no. 8 (2019): 1513–37. http://dx.doi.org/10.1017/s0263574719001607.

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SUMMARYIn this paper, a new mobile cable-driven parallel robot is proposed by mounting a spatial cable robot on a wheeled mobile robot. This system includes all the advantages of cable robots such as high ratio of payload to weight and good stiffness and accuracy while its deficiency of limited workspace is eliminated by the aid of its mobile chassis. The combined system covers a vast workspace area whereas it has negligible vibrations and cable sag due to using shorter cables. The dynamic equations are derived using Gibbs–Appell formulation considering viscoelasticity of the cables. Therefore

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Afia, Ramy S. A., Ehtasham Mustafa, and Zoltán Ádám Tamus. "Comparison of Mechanical and Low-Frequency Dielectric Properties of Thermally and Thermo-Mechanically Aged Low Voltage CSPE/XLPE Nuclear Power Plant Cables." Electronics 10, no. 22 (2021): 2728. http://dx.doi.org/10.3390/electronics10222728.

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During the service period of low-voltage nuclear cables, multiple stresses influence the aging of polymeric materials of cables. Thermal and radiation stresses are considered service aging factors in qualification tests, while the standards usually do not prescribe mechanical stress. CSPE/XLPE insulated nuclear cable samples were exposed to thermal and combined thermo-mechanical aging for more than 1200 h at 120 °C. The real and imaginary parts of permittivity were measured in the 200 μHz to 50 mHz range as dielectric properties. The Shore D hardness of the samples was measured to analyze the

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Huang, Wei, Chao Zhou, and Xin Qun Wang. "Fire Statistic and Prevention Measures for Cables in Power Plant." Advanced Materials Research 614-615 (December 2012): 1949–52. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.1949.

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Statistics of cable fire in power plant from 1960’s to 1990’s was carried out at present. Main causes of the fire were analyzed. The external cause accounts for the majority of cable fire. The existed problem in cable fire prevention was summarized; systematic measures from design, construction and operation should be taken into account to reduce the risk of cable fire in power plant.

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Pirc, Marko. "Cable Aging Management Program Implementation in Krško NPP-NEK." Journal of Energy - Energija 65, no. 1-2 (2022): 50–62. http://dx.doi.org/10.37798/2016651-2127.

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As a requirement for plant life extension for more than 40 years some additional Aging Management Programs (AMP) for passive equipment have to be implemented. The article presents overview of Cable Aging Management Program (CAMP) implementation. Program defines basic rules and initial activities for identification of adverse operation environment parameters that could lead to accelerated aging of specific materials. Samples of cables are selected based on nuclear safety and electrical equipment criticality for inspection and testing, to check functionality and prevent unexpected failure during

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Plumier, Benjamin, and Dirk Maier. "Effect of Temperature Sensor Numbers and Placement on Aeration Cooling of a Stored Grain Mass Using a 3D Finite Element Model." Agriculture 11, no. 3 (2021): 231. http://dx.doi.org/10.3390/agriculture11030231.

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Grain stored in silos in the United States of America is generally cooled with an aeration system to limit mold spoilage and insect infestation. Monitoring efficacy of aeration and real-time conditions of stored grain is generally done using temperature cables with fixed-spaced sensor locations that are hung from the roof of the silo. Numerous placement options exist in terms of the number of cables and their positions. However, little investigation has been done into the effects of cable placement on aeration system operation decisions and real-time monitoring of stored grain conditions. For

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Li, Qiang, Jia-qing Zhang, Jin-mei Li, and Shi-jing Ren. "Cable Insulation Failure Probability Analysis in Nuclear Power Plant Distribution Cabinet Fire." E3S Web of Conferences 72 (2018): 01001. http://dx.doi.org/10.1051/e3sconf/20187201001.

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This paper takes the nuclear power plant power distribution cabinet fire as example and adopts FPRA methodology to analyse the failure probability of cable insulation at contiguous region among distribution cabinet. The influential factor that fire brigade dealt with the fire in the spot is considered in this research. The cumulative distribution function of fire brigade’s arriving and extinguishing time is conducted discretization, confirming the sample statistics of areas and establishing the numbers of cable insulation failure events of distribution cabinet fire. Combining failure predicted

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Wang, Maohua, Haigang Zhang, Yanhong Zhang, and Xiao Hu. "Seismic safety analysis of cable tow chain for nuclear power integrated top assembly." Journal of Physics: Conference Series 3005, no. 1 (2025): 012023. https://doi.org/10.1088/1742-6596/3005/1/012023.

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Abstract As the key equipment in the integrated top assembly of nuclear power plant, cable tow chain undertakes the task of protecting cables and pipelines, and its seismic performance directly affects the safety of nuclear power plant under earthquake. In this paper, the seismic safety analysis of the large cable tow chain in the integrated reactor roof assembly of nuclear power plant is carried out for the first time. Based on ANSYS finite element software, a three-dimensional finite element model of the tow chain was constructed to analyse its stress and deformation response under the combi

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Ruiz, Carlos, Gonzalo Abad, Markel Zubiaga, Danel Madariaga, and Joseba Arza. "Frequency-Dependent Pi Model of a Three-Core Submarine Cable for Time and Frequency Domain Analysis." Energies 11, no. 10 (2018): 2778. http://dx.doi.org/10.3390/en11102778.

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In this paper, a Frequency-Dependent Pi Model (FDPi) of a three-core submarine cable is presented. The model is intended to be used for the representation of submarine cables in an Offshore Wind Power Plant (OWPP) scenario for both time and frequency domain analysis. The frequency-dependent variation of each conductive layer is modeled by a Foster equivalent network whose parameters are tuned by means of Vector Fitting (VF) algorithm. The complete formulation for the parameterization of the model is presented in detail, which allows an easy reproduction of the presented model. The validation o

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Ghaforian, Allan, Patrick Duggan, and Lixuan Lu. "A Comprehensive Review of Cable Monitoring Techniques for Nuclear Power Plants." Energies 18, no. 9 (2025): 2333. https://doi.org/10.3390/en18092333.

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Cables are critical to the safe and reliable operation of nuclear power plants (NPPs) since they are widely used as a connection medium for various safety-critical equipment. According to research data and operational experience (OPEX), cable materials can degrade with time, resulting in reduced dielectric strength and higher leakage current. Cables may degrade gradually over time under normal service conditions and fail unexpectedly as a result of sudden exposure to harsher environments, such as Secondary Steam Line Breaks (SSLBs), or when required to operate under the severe conditions of a

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Lebedchenko, O. S., V. I. Zykov, and S. V. Puzach. "Assessment of operation of safety channel signal cables at nuclear power plants under fire conditions." Pozharovzryvobezopasnost/Fire and Explosion Safety 29, no. 4 (2020): 51–58. http://dx.doi.org/10.22227/pvb.2020.29.04.51-58.

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Introduction. Signal cables of safety systems, installed at nuclear power plants (NPPs), retain the ability to conduct modulated signals during the time period needed to switch the reactor facility to a safe mode. However, the ability of signal cables to transmit signals correctly in the high temperature gas medium, which is typical for the early stage of a room fi re, has not been exposed to research.Aims and objectives. The co-authors offer a theoretical assessment of the ability of NPP safety system cables to correctly transmit modulated electric signals if exposed to fi re and current load

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Scholz, Janine, Eduard Wiebe, Volker Scheffer, and Christian Becker. "Economic power control for offshore wind farms with loop connection cables." at - Automatisierungstechnik 68, no. 9 (2020): 765–80. http://dx.doi.org/10.1515/auto-2020-0067.

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AbstractThe Canadian developer and owner of green power facilities Northland Power Inc. owns two offshore wind farms (OWFs) in the German Bight, Deutsche Bucht and Nordsee One, operated by the subsidiary Northland Power Europe GmbH. The company supports and conducts research in the field of power flow optimization in wind farm networks. The work at hand represents the results of this effort to maximize the efficiency of the assets. The project was accomplished within a cooperation between the Nordsee One GmbH and the Institute of Electrical Power and Energy Technology at the Hamburg University

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Abro, Shahid Hussain, Syed Aqeel Ahmed Shah, Abdulaziz Solaiman Alaboodi, and Talha Shoaib. "Ageing Analysis of Power Cable used in Nuclear Power Plant." January 2020 39, no. 1 (2020): 195–204. http://dx.doi.org/10.22581/muet1982.2001.18.

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The aim of nuclear power plant ageing management and assessment is to maintain an adequate safety level throughout the life time of the plant and helps in determining the useful operation. Various factors involved in the insulation of polymeric cables such as continuous heat, radiation and atmosphere result in the alteration of chemical and physical properties as well as lowers the service life of material. PVC (Poly Vinyl Chloride) is the most commonly used insulation material in NPP (Nuclear Power Plant). Purpose of this work is to predict the service life of PVC insulation cable for which e

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Mustafa, Ehtasham, Ramy S. A. Afia, Oumaima Nouini, and Zoltán Ádám Tamus. "Implementation of Non-Destructive Electrical Condition Monitoring Techniques on Low-Voltage Nuclear Cables: I. Irradiation Aging of EPR/CSPE Cables." Energies 14, no. 16 (2021): 5139. http://dx.doi.org/10.3390/en14165139.

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In a nuclear power plant environment, low-voltage cables experience different stresses during their service life which challenge their integrity. A non-destructive and reliable condition monitoring technique is desired to determine the state of these low-voltage cables during service and for the life extension of nuclear power plants. Hence, in this research work, an EPR/CSPE-based low-voltage cable was exposed to γ-rays for five different absorbed doses. The overall behavior of the cable under stress was characterized by frequency and time domain electrical measurements (capacitance, tan δ, a

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Huang, Xianjia, Zhaoying Ren, He Zhu, Lan Peng, Chihonn Cheng, and Wanki Chow. "A modified zone model on vertical cable tray fire in a confined compartment in the nuclear power plant." Journal of Fire Sciences 36, no. 6 (2018): 472–93. http://dx.doi.org/10.1177/0734904118800648.

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Room fire with vertical cable tray involves upward flame spread along the cable. Assessing the vertical cable tray fire hazard in confined spaces has been challenging because of the strong coupling between flame spread and heat transfer. Long computing time is required in using sophisticated field model with computational fluid dynamics. Therefore, developing an appropriate zone model in a cable room fire with experimental validation is required for engineering applications. In this study, a vertical cable tray fire in a confined compartment was simulated using a modified zone model along thre

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Cai, Leiqiong, Li Chen, Fabrice Devaux, and Yan Long. "Long-Distance Transport of Green Power via High Voltage Direct Current Submarine Cable." E3S Web of Conferences 350 (2022): 02001. http://dx.doi.org/10.1051/e3sconf/202235002001.

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This study aims to perform a technical, environmental, and economic assessment of long-distance transport (around 10000 km) of green power from Australia to Japan through High Voltage Direct Current (HVDC) submarine power cables by literature studies. A PV power plant generates green power; 8000 GWh annual production is chosen as capacity. For the HVDC value chain, according to the assessments, energy efficiency is 74%. Power loss during cable transport is the key contributor. GHG footprint of power delivered is 112 kg CO2e/MWh compared to 50 kg at the outlet of the PV plant. Capital expenditu

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Afia, Ramy S. A., Ehtasham Mustafa, and Zoltán Ádám Tamus. "Aging Mechanisms and Non-Destructive Aging Indicators of XLPE/CSPE Unshielded LV Nuclear Power Cables Subjected to Simultaneous Radiation-Mechanical Aging." Polymers 13, no. 18 (2021): 3033. http://dx.doi.org/10.3390/polym13183033.

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Low-voltage cable systems in nuclear power plants are key components that have a crucial role in the safe operation of nuclear facilities. Thus, the aging management of cable systems is of utmost importance as they cannot easily or economically be replaced or upgraded. Therefore, there is a continuous need to develop reliable non-destructive condition monitoring techniques, mostly based on the measurement of the dielectric properties of cable insulation. This paper introduces the changing of dielectric and mechanical properties of XLPE insulated and CSPE jacketed unshielded low-voltage nuclear

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Mustafa, Ehtasham, Ramy S. A. Afia, and Zoltán Ádám Tamus. "Condition Monitoring Uncertainties and Thermal - Radiation Multistress Accelerated Aging Tests for Nuclear Power Plant Cables: A Review." Periodica Polytechnica Electrical Engineering and Computer Science 64, no. 1 (2019): 20–32. http://dx.doi.org/10.3311/ppee.14038.

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The low voltage cables in the nuclear power plant have the same importance as veins have in the human body. Since, the cables inside the containment are under a number of environmental stress, out which the thermal and radiation stresses are important and become more effective with the presence of oxygen. These stresses cause the degradation of the insulation and hence may lead to insulation failure. To study the behavior of the cables under the nuclear power plant environmental stress, the cables are subjected to accelerated aging tests in laboratories which helps in determining their withsta

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Sojka, Dawid, Krzysztof Pikon, Katarzyna Klejnowska, and Marta Lewandowska. "Research the possibility of separating hydrophobic gel used in gel cables from metal and plastics using wet methods." E3S Web of Conferences 550 (2024): 01043. http://dx.doi.org/10.1051/e3sconf/202455001043.

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This article presents basic information on gel cables and methods of processing them. The wet recycling plant for waste gel cables currently used in the industry is presented. The advantages and disadvantages of this installation are discussed. Current gel cable recycling technologies do not ensure the recovery of all raw materials. The article also shows the reproduction of an industrial installation on a laboratory scale. Laboratory tests included determining the efficiency of the separation of hydrophobic gel from metal and plastic. The moisture content of the resulting products was measure

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El-Sayed Soliman, A. Said, El-Aziz Othman El Saeed Abdul, Mohamed Reda Ezz-eldin, Galal A. M. Taha Howayda, and Abd-Elmonem El-kattan Walaa. "Modification of Cable Insulation Characteristics Using Nanocomposites for the Nuclear Power Plant." Nuclear and Radiation Safety, no. 3(83) (September 30, 2019): 75–82. http://dx.doi.org/10.32918/nrs.2019.3(83).09.

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Nowadays, the nuclear power plant (NPP) lifetime can be extended to 80 years. This allows recommending the modifications in some properties of cross-linked polyethylene (XLPE) cable insulation. This work is laboratory implementation of nanofillers such as silicon dioxide (SiO2) and clay to enhance cable insulation. The volume resistivity, capacitance, dielectric loss, tensile strength and elongation properties were tested and measured for the nanosized samples. Furthermore, these measurements were carried out for modified XLPE/SiO2 and XLPE/clay samples with additive concentration of 1, 2.5, 4

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Tashpulatov, Nusratillo, Odina Nazarova, Dilafruz Yuldosheva, Azamat Tabaev, and Roza Amanboeva. "Study on propagation of pulse current discharges in plant tissue." E3S Web of Conferences 304 (2021): 01013. http://dx.doi.org/10.1051/e3sconf/202130401013.

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This article provides a theoretical description of the propagation of current pulses in plant tissue and the processes of destruction of cellular structures of harmful pathogens in the plant organism. Plants, from the point of view of electricity, are regarded as a well-conductive cable. The peel of the plant is the sheath of the cable, the fire (core) is the electrically conductive conductor. When infected with diseases, the growth of the cellular structure occurs and, as a result, the resistance of the plant tissue decreases. When current is applied, it passes through the circuit with the le

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37

Worrell, William C., M. Chad Bolding, and Wallace M. Aust. "Potential Soil Erosion following Skyline Yarding versus Tracked Skidding on Bladed Skid Trails in the Appalachian Region of Virginia." Southern Journal of Applied Forestry 35, no. 3 (2011): 131–35. http://dx.doi.org/10.1093/sjaf/35.3.131.

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Abstract The majority of timber harvests on steep terrain in the Appalachian region use ground-based skidding with bladed skid trails. Skid trails commonly occupy approximately 10% of harvest sites and are potentially erosive areas. Cable yarding systems are less commonly used in the Appalachian region, yet they have been found in other regions to cause less erosion than ground-based skidding on steep terrain. The goal of this study was to compare potential soil erosion losses from cable yarding and conventional skidding with bladed trails in the steep Appalachian Plateau region. Potential soi

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LeDoux, Chris B. "Bucking Logs to Cable Yarder Capacity Can Decrease Yarding Costs and Minimize Wood Wastage." Southern Journal of Applied Forestry 10, no. 3 (1986): 180–83. http://dx.doi.org/10.1093/sjaf/10.3.180.

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Abstract Data from selected time and motion studies and a forest model plot, used in a simulation model, show that logging managers planning felling, bucking, and limbing for a cable yarding operation must consider the effect of alternate bucking rules on wood wastage, yarding production rates and cost, the number of chokers to fly and total logging costs. Results emphasize the need to consider initial logging activities in terms of effects on cable yarding system efficiencies and wood wastage. Results also emphasize the need to match payload (piece size) to cable yarder capacity. Results sugg

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Puzach, S. V., R. G. Akperov, O. S. Lebedchenko, and O. B. Boldrushkiev. "Evaluation of the Toxicity of Flame Retardant Signal Cables in Case of Fire in the Industrial Premises." Occupational Safety in Industry, no. 5 (May 2022): 75–80. http://dx.doi.org/10.24000/0409-2961-2022-5-75-80.

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Currently, flame retardant materials made from polymers with flame retardant additives are widely used. However, the thermal effects of the fire on these materials from the point of view of the release of toxic gases are not sufficiently studied. The purpose of the article is an experimental assessment of the toxicity of the gaseous environment of a room during thermal decomposition of flame retardant signal cables used in the industrial premises and in the buildings with a massive presence of people. Experimental method is used for studying the process of formation of the hydrogen cyanide and

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Kim, Min Ho, Hyun Jeong Seo, Sang Kyu Lee, and Min Chul Lee. "Influence of Thermal Aging on the Combustion Characteristics of Cables in Nuclear Power Plants." Energies 14, no. 7 (2021): 2003. http://dx.doi.org/10.3390/en14072003.

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In this study, the combustion characteristics and emission of toxic gases of a non-class 1E cable in a nuclear power plant were investigated with respect to the aging period. A thermal accelerated aging method was applied using the Arrhenius equation with the activation energy of the cables and the aging periods of the cables set to zero, 10, 20, 30 and 40 years old by considering the lifetime of a nuclear power plant. According to ISO 5660-1 and ISO 19702, the cone calorimeter Fourier transform infrared spectroscopy test was performed to analyze the combustion characteristics and emission tox

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LeDoux, Chris B. "When is Hardwood Cable Logging Economical?" Journal of Forestry 83, no. 5 (1985): 295–98. http://dx.doi.org/10.1093/jof/83.5.295.

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Abstract Using cable logging to harvest eastern hardwood logs on steep terrain can result in low production rates and high costs per unit of wood produced. Logging managers can improve productivity and profitability by knowing how the interaction of site-specific variables and cable logging equipment affect costs and revenues. Data from selected field studies and forest model plots, as used in a simulation model, indicate that managers must consider cable logging technology, average slope distances required, volume and size of material cut, tree species and market price, and silvicultural trea

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Lim, Hyuk-Soon, Yeon-Kyoung Bae, and Moon-Goo Chi. "Cable Functional Failure Temperature Evaluation of Cable Exposed to the Fire of Nuclear Power Plant." Journal of Korean Institute of Fire Science and Engineering 26, no. 1 (2012): 10–15. http://dx.doi.org/10.7731/kifse.2012.26.1.010.

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Kim, Min Ho, Seok Hui Lee, Sang Kyu Lee, Ju Eun Lee, and Min Chul Lee. "Effect of Radiation Deterioration on Class 1E Cable Fire." Fire Science and Engineering 34, no. 6 (2020): 1–7. http://dx.doi.org/10.7731/kifse.3f6529d5.

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In this study, the effect of radiation deterioration on cable fire for a type of class 1E cable for a nuclear power plant was investigated. Combustion and smoke characteristics were compared via a cone calorimeter test (ISO 5660-1), and the toxicity index of the toxic gas emitted during combustion was analyzed by following the NES 713 standard. The peak heat release rate of the irradiated cable was measured to be approximately 38 kW/m<sup>2</sup> higher than that of the non-irradiated cable. Additionally, the heat release rate of the irradiated cable temporarily increased during a

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Клюев, Р. В., А. Э. Туаева, O. B. Крцзсаев, А. Б. Кудзиев та А. Н. Кюрдакеев. "ИССЛЕДОВАНИЕ ВЛИВАНИЯ НЕС ИНВСОВДЫРНЬНОГО НАПРЯЖЕНИЯ НА ДАБОТУ СИЛОВЫХ КАБЕЛЕЙ НА ПРЕДПРИ ИЯХ ЦВЕТНОЙ МЕТАЛЛУРГИИ". Грозненский естественнонаучный бюллетень 9, № 2(36) (2024): 103–11. https://doi.org/10.25744/genb.2024.97.74.014.

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В работе представлены результаты комплексных экспериментальных исследований влияния несинусоидальности напряжения, возникающего в системе электроснабжения предприятия цветной ме-таллургии, на работу силовых кабелей. Рассмотрено, как осуществляется расчет потерь в жилах кабеля при несинусоидальном токе, а также подтверждено, что увеличение потерь за счет токов высших гармоник должно привести к увеличению температуры в кабеле. При снижении токовой нагрузки, естественно, па¬дала и температура жилы, однако и здесь влияние несинусоидальности проявлялось очень значительно. Произведена оценка надежно

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Zhan, Huamao, Genyuan Cao, Yinyi Wang, Yongqiang Jia, and Fengyuan Lu. "Research on the overvoltage of cable sheath caused by the closing of unloaded transformers and suppression measures." Journal of Physics: Conference Series 2993, no. 1 (2025): 012056. https://doi.org/10.1088/1742-6596/2993/1/012056.

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Abstract To study the development laws and influencing factors of closing overvoltage during the grid connection process of power plants, this paper takes a certain pumped storage power station as the simulation object. First, it analyzes the overvoltage on the cable sheath. Then, based on the Electro-Magnetic Transients Program (EMTP), it simulates the transient characteristics of overvoltage generated by asynchronous closing of a no-load transformer, analyzes the operating overvoltage and cable sheath overvoltage produced by closing different numbers of main transformers, studies the statist

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Xu, Chenglin, Hu Su, Ning Zhang, and Hongwei Zhu. "Improved LPAstar algorithm for power station cabinet wiring." Journal of Physics: Conference Series 2850, no. 1 (2024): 012004. http://dx.doi.org/10.1088/1742-6596/2850/1/012004.

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Abstract Aiming at the complex constraints of cable layout in power plant cabinets and the low efficiency of manual design, an improved Lifelong Planning Astar algorithm (LPAstar) is proposed. By constructing a corner-length feature fusion model, the cable length and number of corners are constrained to reduce wiring costs and cable damage. The spatial minimum bounding box algorithm is employed to avoid cable suspension. Continuous incentive factors are introduced to improve algorithm efficiency. In post-processing, smoothing strategy and wire harness dispersion strategy are used to avoid exce

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Jang, Hyo-Yeon, Ho-Sik Han, Cheol-Hong Hwang, and Sang Kyu Lee. "Application of FDS to Predicting Fire Spread in a Horizontal Cable Tray." International Journal of Fire Science and Engineering 36, no. 4 (2022): 34–44. http://dx.doi.org/10.7731/kifse.030659d0.

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With regard to cable tray fires, comparing the prediction results obtained through fire simulations with the measurement results from fire experiments conducted under real-life conditions is essential to ensure the predictive reliability of the model. In determining the validity of the calculation process and procedure performed in a specific fire experiment, the result may vary depending on the user’s capability. This is because of the high user dependence due to the characteristics of the fire model. In this study, we examined whether the actual spread of fire could be similarly predicted wh

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YABUKI, Ryuma, and Akihiro MATSUDA. "FDS analysis of cable fire in nuclear power plant." Proceedings of the National Symposium on Power and Energy Systems 2017.22 (2017): A122. http://dx.doi.org/10.1299/jsmepes.2017.22.a122.

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Kostyukov, N. S., S. P. Vashchuk, G. I. Pakulov, and S. D. Kholodnyi. "Hermetically sealed cable entrances for a nuclear power plant." Atomic Energy 75, no. 6 (1993): 983–87. http://dx.doi.org/10.1007/bf00760585.

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De Kauwe, M. G., J. Kala, Y. S. Lin, et al. "A test of an optimal stomatal conductance scheme within the CABLE land surface model." Geoscientific Model Development 8, no. 2 (2015): 431–52. http://dx.doi.org/10.5194/gmd-8-431-2015.

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Abstract. Stomatal conductance (gs) affects the fluxes of carbon, energy and water between the vegetated land surface and the atmosphere. We test an implementation of an optimal stomatal conductance model within the Community Atmosphere Biosphere Land Exchange (CABLE) land surface model (LSM). In common with many LSMs, CABLE does not differentiate between gs model parameters in relation to plant functional type (PFT), but instead only in relation to photosynthetic pathway. We constrained the key model parameter "g1", which represents plant water use strategy, by PFT, based on a global synthesi

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