Conference Record of the 2004 IEEE International Symposium on Electrical Insulation最新文献_第4页

Comparison of polyamide insulation coatings on metallic substrates using different coating methods 不同涂覆方法在金属基材上聚酰胺绝缘涂层的比较

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380705

H. Wang, T. Baldwin, J.P. Zheng

引用次数: 1

Several aspects of stator insulation condition based maintenance 根据定子绝缘状况的几个方面进行检修

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380637

H. van Breen, E. Gulski, J. Smit

{"title":"Several aspects of stator insulation condition based maintenance","authors":"H. van Breen, E. Gulski, J. Smit","doi":"10.1109/ELINSL.2004.1380637","DOIUrl":"https://doi.org/10.1109/ELINSL.2004.1380637","url":null,"abstract":"The objective of power plant maintenance is to reduce the probability that an unforeseen forced outage takes place. Balancing maintenance with reliability is a key issue for the economical performance of a power plant. The paper shows that the turbo generator is the third cause for forced outages hours in a power plant. It will zoom into the generator failure statistics and show that the HV insulation system is the root cause for generator failure outage hours. Also the paper provides insight into the benefit of condition based maintenance (CBM) on the stator insulation system of generators. These benefits include: steering of insulation reliability, lengthening economical lifetime of the machine and decrease maintenance cost. A third topic of the paper is decision process from condition assessment to maintenance. This process is currently in use in some form or other at most power plants. Measurements are performed, interpreted and maintenance decisions are taken. However, this decision process is often not applied to its maximum efficiency. The main reason for this decreased efficiency is the problem of providing reliability numbers on the insulation system. The challenge of tomorrow would be to generate failure probability numbers based on measurements performed on machine insulation.","PeriodicalId":342687,"journal":{"name":"Conference Record of the 2004 IEEE International Symposium on Electrical Insulation","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132834161","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 semiconductive compound technology for solid dielectric insulated power cables 固体介质绝缘电力电缆半导体复合新技术

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380589

S. Han, L. Gross, J. Lastovica

引用次数: 2

Study on the positive and negative temperature coefficient effects of composite 复合材料正、负温度系数效应的研究

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380556

Xianyou Zhang, Li Dong, Zenggang Wu

引用次数: 0

An online condition assessment and diagnosis system for traction transformers based on dissolved hydrogen analysis 基于溶解氢分析的牵引变压器在线状态评估与诊断系统

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380471

Jun Zhang, Guangning Wu, J. Sheng, Lijun Zhou, L. Tong

引用次数: 4

Principles of power factor testing of complete generator stator windings 发电机定子绕组整机功率因数测试原理

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380628

F. Emery

引用次数: 0

Development and evaluation of an improved RTV coating for outdoor insulation 一种改进型RTV室外保温涂料的研制与评价

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380652

J. Goudie, T. Collins

引用次数: 1

A novel coil winding technique applicable to multiple strands concentrated wound electric motors for low voltage-high torque applications 一种适用于低压高转矩多股集中绕线电动机的新型线圈绕线技术

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380420

Z. Rahman, M. Peyghaleh, K. Matin

引用次数: 3

GIS based multilevel intelligent fault diagnosis system on electric power equipment 基于GIS的电力设备多级智能故障诊断系统

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380612

Wendou An, Caixin Sun, Quan Zhou, Ji Yang

引用次数: 1

Diagnostic testing of oil-impregnated paper insulation in prorated power transformers under accelerated stress 加速应力下比例电力变压器油浸纸绝缘的诊断试验

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation Pub Date : 2004-09-19 DOI: 10.1109/ELINSL.2004.1380452

M. Pradhan, T. Ramu

{"title":"Diagnostic testing of oil-impregnated paper insulation in prorated power transformers under accelerated stress","authors":"M. Pradhan, T. Ramu","doi":"10.1109/ELINSL.2004.1380452","DOIUrl":"https://doi.org/10.1109/ELINSL.2004.1380452","url":null,"abstract":"In the recent past, a considerable amount of work has been published on the dynamics of aging of oil impregnated paper (OIP) insulation in transformers. The insulation is always subjected to stresses of different types at the same point in time. Among the more important stress are, electrical, thermal and their combination. Insulating properties of both solid (cellulose paper) and liquid (mineral insulating oil) phases deteriorate with time due to an electrothermal process called aging. The status of insulation at a given point in time can therefore be assessed by monitoring such of those properties of insulation which are sensitive to the amount of aging, so as to be able to take and appropriate corrective measures to avoid/postpone impending insulation failure. This procedure, called diagnostic testing and condition monitoring (DTCM) aims to avoid catastrophic failure. The aim of the present investigation is to try and determine the most sensitive parameters which can serve as indices of aging and hence as a reasonably accurate indicator of possible imminent failure of apparatus insulation in service. To this end, carefully controlled laboratory aging experiments have been performed on about eight nominally identical and scaled-down models of prorated units incorporating all the essential features of actual power transformers under normal operating electric stress and accelerated thermal stress. The paper details the DTCM program designed to acquire aging data.","PeriodicalId":342687,"journal":{"name":"Conference Record of the 2004 IEEE International Symposium on Electrical Insulation","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115233229","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: 16