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Live rehabilitation of 400kV OHL Mintia-Sibiu
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934348
M. Oltean, I. Sevastre, Dorin Lucian Brabete, I. Rodean
{"title":"Live rehabilitation of 400kV OHL Mintia-Sibiu","authors":"M. Oltean, I. Sevastre, Dorin Lucian Brabete, I. Rodean","doi":"10.1109/ICOLIM.2014.6934348","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934348","url":null,"abstract":"The 400kV Mintia-Sibiu OHL was build in 1971-1972. In 2011-2013 National Transmission Company (CN Transelectrica SA) performed a refurbishment project for the OHL elements. A part of this large project is executed in LW technology by the maintenance subsidiary of Transelectrica (SC Smart SA). The live working part of project consist of: replacement of suspension insulation strings, replacement of insulation chain elements, replacement of dampers, replacement of vibration dampers, Installation of armour-rods together with suspension clamps, painting, Installation of aerial plates on towers, replacement of damaged tower elements. The work was done using some new methods for access on the conductors, including the aerial insulating platform class A. When a project starts we should consider all the ways to complete the works. Considering present technologies used in Romania some works needs deenergization of the line. For other parts of the project Live Working is mandatory, in order to maintain the system's stability. At the end of the project an economical analysis is done. Was it efficient to use Live Maintenance technologies?","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114237737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Live maintenance in high voltage substations: Malaysia's experience 高压变电站的现场维护:马来西亚的经验
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934331
S. Shunmugam
{"title":"Live maintenance in high voltage substations: Malaysia's experience","authors":"S. Shunmugam","doi":"10.1109/ICOLIM.2014.6934331","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934331","url":null,"abstract":"In every aspect of human life, electricity plays an important role. It has transformed the world in many ways since the day it was discovered. Today, we are depended heavily on electricity to run our daily activities. To meet customers' demand, utilities built extensive networks of transmission and distribution grids with efforts to ensure reliable power supply. A part from that, with global concern over changes in business models and entities, power utility companies are faced with tremendous pressure to sustain their businesses operation. New engineering solutions are sought after to ensure continuous availability of power supply while reducing operating costs. One of such engineering solution practiced in Malaysia is maintenance and refurbishment of electrical apparatus in high voltage 132kV and 275kV substations using 'live' method. This paper highlights Malaysia's four years achievements and experience in successful implementation of live maintenance technology.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117320338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Use of temporary guying switch disconnectors in the medium voltage grid - aspects of single-pole switching 中压电网中临时开关隔离器的使用。单极开关方面
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934338
Hans-Peter Mullenbach, F. Stuber
{"title":"Use of temporary guying switch disconnectors in the medium voltage grid - aspects of single-pole switching","authors":"Hans-Peter Mullenbach, F. Stuber","doi":"10.1109/ICOLIM.2014.6934338","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934338","url":null,"abstract":"In the medium-voltage distribution grid of Westnetz GmbH, the temporary use of guying switch disconnectors installed under live working conditions has become more and more common. This allows for a more cost-effective disconnection of line sections between two switching points for the purposes of carrying out work on the grid. Some abnormalities during switching operations with guying switch disconnectors have caused us to look into the electrical engineering process in greater detail. In doing so, we have examined more closely a potential impact on the operation of the grid and the safety of the switching staff. The relevant findings have been integrated into the development of a calculation tool. During preparation of the works, this tool is being used to carry out a feasibility check in terms of where the guying switch disconnector shall be installed and in what sequence the switching operations are to be arranged.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128171627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Eighty years of Polish experiences in technology of live-line working and impressions from all 10 ICOLIM conferences 波兰80年的现场工作技术经验和所有10次ICOLIM会议的印象
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934327
W. Lubicki, B. Dudek
{"title":"Eighty years of Polish experiences in technology of live-line working and impressions from all 10 ICOLIM conferences","authors":"W. Lubicki, B. Dudek","doi":"10.1109/ICOLIM.2014.6934327","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934327","url":null,"abstract":"Regular development of live-line working in Poland took place since 1975, when we started taking advantage of French experiences with low voltage lines, Irish experiences with medium voltage lines, as well as Hungarian, German, Russian, Italian and American experiences with high voltage lines 110-750kV. In 2013, we will be celebrating the 80th anniversary of these works in Poland. During the 75th anniversary of these works, Polish power engineers organized the European conference ICOLIM'2008. In addition, Poland has been organizing national conferences dedicated to this topic since 1988. The Author is having the experiences of participation in all ICOLIM Conferences (from 1992-2011) presents a review of papers, exhibitions, demonstrations and social life.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128809107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Live - line surge arrester installing on a mountain section of the 400 kV Gutinas- Brasov o/h line (between towers 94–100) 安装在400千伏古蒂纳斯-布拉索夫0 /h线路(94-100塔之间)山区的带电避雷器
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934358
G. Florea, D. Marginean, M. Oltean, C. Chiriac, I. Rodean, A. Mazilu, C. Oprea
{"title":"Live - line surge arrester installing on a mountain section of the 400 kV Gutinas- Brasov o/h line (between towers 94–100)","authors":"G. Florea, D. Marginean, M. Oltean, C. Chiriac, I. Rodean, A. Mazilu, C. Oprea","doi":"10.1109/ICOLIM.2014.6934358","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934358","url":null,"abstract":"The line section of the existing 400 kV Gutinas- Brasov is located in a mountain area with rocky soil. Because of the thick ice covering the conductors during the winter times causing the shieldwire breaking the shieldwires had to be dismantled long time ago. Without the shielding screen of the shieldwires the line section was left open to be struck by lightning. To reduce the lightning impact the solution of arrester installing was selected. Two types of towers are to be analyzed to may find the best solutions to locate the arresters. Both the electrical and mechanical aspects were considered. The 400kV OHL Gutinas- Brasov being an important line it is very difficult to be deenergised. That was an important reason for which live working technologies were developed and applied for mounting the arresters.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122086576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Shielding efficiency of conductive clothing during live-line maintenance 带电检修时导电服装的屏蔽效率
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934339
G. Gõcsei, B. Németh, Z. A. Tamus, I. Kiss, József Meixner
{"title":"Shielding efficiency of conductive clothing during live-line maintenance","authors":"G. Gõcsei, B. Németh, Z. A. Tamus, I. Kiss, József Meixner","doi":"10.1109/ICOLIM.2014.6934339","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934339","url":null,"abstract":"Nowadays live-line maintenance (LLM) is one of the most common methods to repair and maintain energized elements of the power grid. The main advantage of this technique that it represents a balance between technical and economic factors: no consumer disturbance is needed, there is not any service outage caused and losses can be kept as low as possible. Because of these reasons different live-line methods are becoming more and more popular on all voltage levels. Special techniques are available for low, middle and high voltage grids. On high voltage levels “barehand method” is widely applied worldwide. The main principle of this method is an enclosed metal surface around the worker acting as a Faraday cage. Inside an ideal Faraday-cage electric field is zero from outer source. The efficiency of a clothing mainly depends on the size of holes (so called “Faraday-holes”) on the surface. A proper face mesh can guarantee the safety of the live-line worker. Calculations, simulations and measurements in the High Voltage Laboratory of Budapest University of Technology and Economics have proved that poor, coarse or missing face shield decreases the efficiency by the increase of body current.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122249866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Replacement of existing ground wire with OPGW under live-line conditions new training polygon in Olsztyn 在联机条件下用OPGW替换现有接地线，在Olsztyn新建训练多边形
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934332
G. Kochan, K. Lenarczyk, K. Kiczkajlo, B. Dudek
{"title":"Replacement of existing ground wire with OPGW under live-line conditions new training polygon in Olsztyn","authors":"G. Kochan, K. Lenarczyk, K. Kiczkajlo, B. Dudek","doi":"10.1109/ICOLIM.2014.6934332","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934332","url":null,"abstract":"Replacement of existing ground wires with OPGW under live-line conditions. This paper describes methods and examples of building fibre optics tract by different existing and actual methods on energized transmission line abroad and in Poland. In addition, an analysis of electromagnetic field induction from existing and nearby energized line when OPGW is being installed is presented. The paper also presents a newly built training polygon in Olsztyn for secure operation practice.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117175452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Criteria for applying of Live Working Technologies in Romanian Transmission Power Grid 罗马尼亚输电网带电工作技术应用标准
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934369
D. Morar, I. Rodean, M. Oltean, L. Brabete
{"title":"Criteria for applying of Live Working Technologies in Romanian Transmission Power Grid","authors":"D. Morar, I. Rodean, M. Oltean, L. Brabete","doi":"10.1109/ICOLIM.2014.6934369","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934369","url":null,"abstract":"This paper presents the conditions that must be met in terms of technical and organizational for implementation of modern technologies. It also shows how to perform maintenance of electrical installations in the Transmission Power Grid by applying these technologies. Technical requirements, imposed by the beneficiary, refers to: the application of technology in the operating conditions at that time slot for grid or area of power network, dam and losses that may occur, technical level and wear allowed for components of equipment, technical conditions to be met spare parts, technical measures that are taken for the safety of the power system or the area power grid, technical measures for occupational health and safety to be taken, environmental conditions. Organizational requirements, that can only be achieved through close cooperation between customer and contractor, refers to: measures to be taken to prepare technical measures for works and operating schemes for achieve power grid or grid area, conditions for quality tasks and assurance organization of the project, taking measures to reduce the risk to work, preparing and providing equipment technologies, information on the project, professional training. New methods are choosing for performing maintenance with modern technologies which regarding both aspects logical and algorithms.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123143880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Performance evaluation of service operations from Live Line works 对现场工程的服务操作进行绩效评估
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934350
M. Mariano Junior, A. Lopes, M. A. Costa
{"title":"Performance evaluation of service operations from Live Line works","authors":"M. Mariano Junior, A. Lopes, M. A. Costa","doi":"10.1109/ICOLIM.2014.6934350","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934350","url":null,"abstract":"Managers are challenged to improve their service operations and a math technique called balanced benchmarking (DEA) provides them with a sophisticated mechanism by which to assess and manage the effectiveness of different branches, units or teams. The technique enables companies to benchmark and locate best practices that are not visible through other commonly used management methodologies. It's unique both in its ability to identify paths to improve productivity and in its value as a complement to other analytic techniques. Simultaneously considers the multiple resources used to generate multiple operations services, along with the quality of the services provided. In this case we will present an study where a Live Line work were performed in different teams with multiple resources and practices (insulated equipment, live line tools, man-hour, totaltime), resulting in a resource utilizations and jobs completion benchmarking that showed up the huge difference between team's performance.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115050351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The new ISSA guideline for the selection of Personal Protective Equipment when exposed to the thermal effects of an electric fault arc 当暴露于电气故障电弧热效应时，选择个人防护装备的新ISSA指南
2014 11th International Conference on Live Maintenance (ICOLIM) Pub Date : 2014-05-21 DOI: 10.1109/ICOLIM.2014.6934362
H. Schau
{"title":"The new ISSA guideline for the selection of Personal Protective Equipment when exposed to the thermal effects of an electric fault arc","authors":"H. Schau","doi":"10.1109/ICOLIM.2014.6934362","DOIUrl":"https://doi.org/10.1109/ICOLIM.2014.6934362","url":null,"abstract":"Huge energies being released in electric power equipment, there is a high risk for human injury due to electric fault arcs. Persons working at electric power equipment will have to be protected effectively, particularly, if a direct arc exposure is likely. Additionally to technical and organizational control measures, Personal Protective Equipment (PPE) may essentially contribute to prevent injuries. According to the developments during the last decade, a totally revised edition of the ISSA guideline for the selection of PPE was elaborated by an international expert group. The guideline is presented, considering mainly the arc hazards, the current state of PPE standardization, PPE test methods as well as risk assessment and PPE selection.","PeriodicalId":238060,"journal":{"name":"2014 11th International Conference on Live Maintenance (ICOLIM)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133142974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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