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ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand最新文献

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Rock-socketed drilled shaft design for lateral loads [overhead power line foundations] 横向荷载用嵌岩钻杆设计[架空电力线基础]
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668333
A. DiGioia, A. Hirany, F. Newman, A. Rose
{"title":"Rock-socketed drilled shaft design for lateral loads [overhead power line foundations]","authors":"A. DiGioia, A. Hirany, F. Newman, A. Rose","doi":"10.1109/TDCLLM.1998.668333","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668333","url":null,"abstract":"This paper describes the analytical studies and seven full-scale foundation load tests that were conducted to study the behavior and improve the analysis and design of laterally loaded drilled shaft overhead power line foundations partially or totally socketed in rock. Finite element analyses were conducted to develop new theoretical pressure versus displacement (p-y) relationships for the four-spring subgrade modulus MFAD model. The results of the drilled shaft tests are discussed and compared to the behavior predicted by MFAD. The Rock Mass Rating (RMR) system was used to evaluate the strength and deformation parameters of the rock strata. The foundation behavior predicted by the modified version of MFAD using these rock strength and deformation parameters and the p-y relationships developed from the finite element analyses agreed well with the behavior observed in the seven full-scale drilled shaft foundation load tests.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129259514","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
Development of a hot-line work robot, "Phase II" and a training system for robot operators 开发热线工作机器人“第二阶段”和机器人操作员培训系统
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668346
K. Tsunemi, Y. Maruyama, K. Yano, M. Nakashima, S. Tanaka
{"title":"Development of a hot-line work robot, \"Phase II\" and a training system for robot operators","authors":"K. Tsunemi, Y. Maruyama, K. Yano, M. Nakashima, S. Tanaka","doi":"10.1109/TDCLLM.1998.668346","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668346","url":null,"abstract":"Since 1990, Kyushu Electric Power Co. Inc. (KEPCO) has actively strived for development of a semi automatic hot-line work robot system, called Phase II. At this point, to expand automated tasks performed by the robot, we have developed a two-point laser measuring method based on measurements of the work object's position and orientation. Additionally, a simplified robot language exclusively for Phase II was developed. We have also produced a training system for robot operators. Incorporating these functions in the existing Phase II made for remarkable work efficiency with the robot. With these developments, the robot system's efficiency in terms of operation has been entirely achieved. This paper outlines these developed functions and methods.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121585832","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: 8
Longitudinal loading and cascading failure assessment for transmission line upgrades 输电线路升级的纵向载荷和级联失效评估
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668399
M. Ostendorp
{"title":"Longitudinal loading and cascading failure assessment for transmission line upgrades","authors":"M. Ostendorp","doi":"10.1109/TDCLLM.1998.668399","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668399","url":null,"abstract":"In this study, transmission line reliability levels are defined using the simplified risk assessment method developed in the \"Cascading Failure Risk Assessment\" (CASE) project. The CASE project constituted an investigation into the nature of the extreme loads that occur in cascading failures and the corresponding line response. The CASE investigation focused on the effects of a triggering event on a transmission line's integrity rather than the cause for the initial failure. The goals of the project were to identify and/or develop a method to predict extreme event longitudinal load magnitudes and to assess the cascading potential of a line when subjected to such loads.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115965939","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
Temporary overvoltages in the Vietnam 500 kV transmission line 越南500kv输电线路临时过电压
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668378
T. Quoc, S. Du, D. P. Van, N. N. Khac, L.T. Dinh
{"title":"Temporary overvoltages in the Vietnam 500 kV transmission line","authors":"T. Quoc, S. Du, D. P. Van, N. N. Khac, L.T. Dinh","doi":"10.1109/TDCLLM.1998.668378","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668378","url":null,"abstract":"This paper investigates temporary overvoltages (TOVs) in Vietnamese 500 kV transmission lines. The accurate modeling of the system components as well as lines, transformers, machines, loads, shunt reactors and surge arresters is presented by taking into account the saturation of transformers and shunt reactors and corona V-I characteristics. The excitation systems of machines are also used in this study. Several events that can produce high TOV levels such as three-phase load rejections and single-phase opening with contingency are examined by using the EMTP. The energy dissipated in the surge arresters is determined. Finally, the methods of limiting the magnitude and duration of TOV levels applied to equipment are presented. A program capable of interfacing with the EMTP is developed to study TOVs and other transient phenomena. The study is useful for constructing and operating such a transmission line.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133239868","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: 6
Controlling the economic risk from catastrophic failure of overhead transmission lines 控制架空输电线路灾难性故障的经济风险
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668394
J. Pohlman, K. Lindsey, R. Corpuz
{"title":"Controlling the economic risk from catastrophic failure of overhead transmission lines","authors":"J. Pohlman, K. Lindsey, R. Corpuz","doi":"10.1109/TDCLLM.1998.668394","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668394","url":null,"abstract":"A reliable electric power supply is an essential component of economic growth in both mature and emerging economies. Studies indicate that economic growth, as measured by gross domestic product (GDP), is directly related to consumption of electric energy. Overhead transmission lines (OHTL) play one of the most important roles in the operation of a reliable delivery system. At the same time, because of their length and bold exposure to the elements, OHTLs are vulnerable to catastrophic failure from a variety of initiating events. Unfortunately, there isn't a test book or published procedure readily available that deals specifically with the problem of determining the economic risk to a particular electric system due to the loss of a specific OHTL. The principles required to do such an analysis, however, are known and in wide use in other applications such as insurance. This paper attempts to provide an insight into this specific problem and outlines a process that can be applied to identify and quantify the initiatives available to control such risk.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116332142","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
Use of mobile unit substations (MUSs) at Ontario Hydro 安大略省水电公司使用移动单元变电站(MUSs)
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668373
Rishi Kumar
{"title":"Use of mobile unit substations (MUSs) at Ontario Hydro","authors":"Rishi Kumar","doi":"10.1109/TDCLLM.1998.668373","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668373","url":null,"abstract":"A mobile unit substation (MUS) is like a transformer/distributing station comprising of, besides the transformer, an HV section, an LV section and a set of feeder cables stored on a reel. The equipment is fixed to the chassis of a trailer and can be moved by a tractor to provide its use in various ways. This paper focuses on MUS selection/type, design, protection, operation and maintenance. MUSs are an integral component of Ontario Hydro's Retail power distribution system and provide services to Ontario Hydro Retail's more than 900 distributing stations.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"54 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113937564","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
Utility pole computerized maintenance management systems 电线杆电脑化维修管理系统
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668402
N. Bingel, P.J. Halsch
{"title":"Utility pole computerized maintenance management systems","authors":"N. Bingel, P.J. Halsch","doi":"10.1109/TDCLLM.1998.668402","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668402","url":null,"abstract":"Effective management of the outside plant is a key component of survival for today's utilities. Managing a major asset incorporates design considerations, quality of new purchases and effective in-service inspection and maintenance. Simultaneously, accurate data and information about the pole plant are necessary for good operational, maintenance and planning decisions. This paper briefly introduces several aspects of managing wood poles for maximum life and lowest cost life cycles. A more in-depth discussion focuses on how accurate data and a geographic information system (GIS) play an important role in reducing the cost of pole ownership.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"550 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134258527","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
Device for overvoltage control in live line working 带电线路过电压控制装置
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668382
E. Udod, V. Molchanov, V. Taloverya, B.A. Brjesitsky, G. Gela
{"title":"Device for overvoltage control in live line working","authors":"E. Udod, V. Molchanov, V. Taloverya, B.A. Brjesitsky, G. Gela","doi":"10.1109/TDCLLM.1998.668382","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668382","url":null,"abstract":"A new device for control of overvoltages during live work has been developed in Ukraine. The device provides improved limitation of overvoltages at the worksite in comparison with the traditional portable protective gap that has been in use for several decades. The new device consist of a rod air gap connected in series with a highly nonlinear ZnO resistor. The sparkover voltage of the device is 1.5 to 1.7 times the peak phase-to-earth maximum nominal system voltage. The new device has been tested extensively in the laboratory and is now undergoing in-service validation tests.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122000293","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
Energy losses in power tap-connectors 电源分接接头中的能量损耗
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668391
R. Timsit, J.D. Sprechel
{"title":"Energy losses in power tap-connectors","authors":"R. Timsit, J.D. Sprechel","doi":"10.1109/TDCLLM.1998.668391","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668391","url":null,"abstract":"The paper reviews the service-performance properties of bolted, compression and fired wedge-connectors used in electrical distribution systems. The superior performance of fired wedge-connectors is pointed out. The results of a preliminary analysis of energy savings show that the cost of energy loss incurred over a time interval of 20 years due to the degradation of bolted and compression connectors may exceed the cost of energy loss in fired wedge-connectors by several hundreds of dollars (US$) per connector.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121621233","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: 6
New technologies for transmission line uprating 输电线路升级新技术
ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand Pub Date : 1998-04-26 DOI: 10.1109/TDCLLM.1998.668396
R. Carrington
{"title":"New technologies for transmission line uprating","authors":"R. Carrington","doi":"10.1109/TDCLLM.1998.668396","DOIUrl":"https://doi.org/10.1109/TDCLLM.1998.668396","url":null,"abstract":"New technologies and methods have been applied to a 230 kV transmission line uprating project. Significant savings have been documented in field investigation efforts, data collection, design time, line outages and construction costs. Advancements in software and data collection instruments have been combined with innovative line engineering to improve the accuracy and reduce the costs of uprating projects. Laser surveying, span-by-span resagging and conductor temperature measurements have been combined to increase the ampacity rating by 30%, at a fraction of the cost of traditional uprating.","PeriodicalId":328713,"journal":{"name":"ESMO '98 - 1998 IEEE 8th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance Proceedings ESMO '98 Proceedings. ESMO 98 The Power is in Your Hand","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127772887","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
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