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Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.最新文献

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Can field tests prove motor efficiency 现场测试能证明电机的效率吗
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10989
R. Nailen
{"title":"Can field tests prove motor efficiency","authors":"R. Nailen","doi":"10.1109/ICPS.1988.10989","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10989","url":null,"abstract":"Growing numbers of plant engineers, energy managers, motor manufacturers, and even instrument suppliers are advocating the performance of simple and reliable methods of testing motor efficiency in the field, at a user's plant, as a basis for economic studies of the benefits of higher-efficiency motor designs. It is argued that although these tests are often simple, their accuracy leaves much to be desired. Experimental evaluation of motor losses is quite complex. Results can vary widely even under the best of factory conditions. A field test, therefore, should not be considered a proof test. The stray loss problem, effects of voltage variation, and instrumentation are discussed.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116798666","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: 19
A new fast bus-transfer system 新的快速公交系统
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10988
G. Bottrell, L. Yu
{"title":"A new fast bus-transfer system","authors":"G. Bottrell, L. Yu","doi":"10.1109/ICPS.1988.10988","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10988","url":null,"abstract":"A fast bus-transfer scheme, the fast-transfer switch, by which transfer times of 0.1 to 0.3 seconds may safely be achieved for loads of any size of inertia, is reported. The fast-transfer switch is described along with application guides and calculated performance of typical installations.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114714420","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
A human reliability analysis methodology for industrial and process facilities 工业和加工设施的人的可靠性分析方法
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10981
E. Collins, R. Mcfadden
{"title":"A human reliability analysis methodology for industrial and process facilities","authors":"E. Collins, R. Mcfadden","doi":"10.1109/ICPS.1988.10981","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10981","url":null,"abstract":"Reference is made to industrial accidents such as Bhopal and Chernobyl, and the increasing recognition of the critical role of humans in the safe and successful operation of complex process systems. Such accidents have focused attention on the evaluation of human performance reliability. The need for human reliability analysis (HRA), and the resulting progress in HRA techniques, have been especially strong in the nuclear power industry because of the visibility and perceived risk of nuclear plant operation. The underlying concept of HRA, to better understand the human interaction with complex systems, reaches beyond the boundaries of any single industry and makes HRA a useful tool in the assessment of safety and reliability for any process of power plant. A methodology for human reliability analysis is described, and its application to the general needs of industrial and process plant operation is discussed.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126568205","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
Nonstationary model for assessing human reliability 评估人的可靠性的非平稳模型
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10980
D. Koval, B. Lenoach
{"title":"Nonstationary model for assessing human reliability","authors":"D. Koval, B. Lenoach","doi":"10.1109/ICPS.1988.10980","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10980","url":null,"abstract":"When the performance of any electrical or electronic system is interrupted by allegedly human errors, many opinions are voiced about human reliability. Based on an 11-year database, the authors present an analysis of the performance of a digital computer system and reveal some of the statistical patterns of computer interruptions (i.e. the time of occurrence of the interruptions) caused by computer operator errors. The significance of human errors in relation to all modes of computer system failures is discussed. A nonstationary model for estimating computer system reliability levels is presented. A case study is reported to illustrate the application of the proposed model and existing reliability models.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128931969","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
NEPA 110 and its impact on transfer switching of emergency and standby power nepa110及其对应急备用电源转换切换的影响
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10969
S. Pukash, R. Castenschiold
{"title":"NEPA 110 and its impact on transfer switching of emergency and standby power","authors":"S. Pukash, R. Castenschiold","doi":"10.1109/ICPS.1988.10969","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10969","url":null,"abstract":"In 1985, the National Fire Protection Association (NFPA) adopted and issued NFPA 110, a standard for emergency and standby power systems. A review of this document is presented, with particular emphasis on transfer switching. In addition to performance requirements, NFPA 110 defines the areas of responsibility of the equipment manufacturer, the designer of the system, the contractor who installs the system, and these who maintain the equipment. It is pointed out how this standard is now leading to safer and more reliable emergency and standby power installations.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133655287","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
Specifying dry-type distribution transformers for solid state applications 规定固态应用的干式配电变压器
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10990
I. Kerszenbaum, A. Mazur, M. Mistry, J. Frank
{"title":"Specifying dry-type distribution transformers for solid state applications","authors":"I. Kerszenbaum, A. Mazur, M. Mistry, J. Frank","doi":"10.1109/ICPS.1988.10990","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10990","url":null,"abstract":"The authors elaborate on existing theories, specifications and standards relating to the application of dry-type distribution transformers for solid-state applications. The criteria for selecting the proper transformer for several types of solid-state loads, i.e.: uninterruptible power supplies, rectifiers, variable speed drive systems, etc. are discussed. Calculated and experimental results are presented.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114601564","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: 24
Operating characteristics of protective relays in positions other than vertical 非垂直位置保护继电器的工作特性
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10977
B. Bridger, R. Walker
{"title":"Operating characteristics of protective relays in positions other than vertical","authors":"B. Bridger, R. Walker","doi":"10.1109/ICPS.1988.10977","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10977","url":null,"abstract":"A variety of electromechanical and solid-state protective relays were tested for pickup and time-delay characteristics while tilted in several directions from vertical and while undergoing oscillatory motion. These tests showed that induction-disk and induction-cup relays were seriously affected by tilting and motion, but that hinged-armature and solid-state relays were not affected.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115771676","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
Reliability testing of electric motors 电动机可靠性试验
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10985
D.E. Schump
{"title":"Reliability testing of electric motors","authors":"D.E. Schump","doi":"10.1109/ICPS.1988.10985","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10985","url":null,"abstract":"Several motor failure mechanisms are discussed, along with test methods to determine whether a motor is suitable for extended service. Application and limitations of these test procedures are described.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123763956","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: 19
Conductance testing by current injection 电流注入电导测试
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10978
J. A. Rodriguez
{"title":"Conductance testing by current injection","authors":"J. A. Rodriguez","doi":"10.1109/ICPS.1988.10978","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10978","url":null,"abstract":"Current injection is not generally recognized as a conductance test on its own. However, it is suggested that it is valuable as part of an overall test program. It is claimed that many difficulties and problems, even fires, are developed by poor joints, splices, terminations, etc., because in practice they have poor conductance either when installed, or later developed. A conductance test is recommended especially in contaminated or corrosive environments, for both acceptance and periodic maintenance tests. Suggestions are made concerning the application of current injection for conductance testing.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130406772","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
Computer power conditions-more questions than answers 计算机能力条件——问题多于答案
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988. Pub Date : 1988-05-02 DOI: 10.1109/ICPS.1988.10976
H. Nash
{"title":"Computer power conditions-more questions than answers","authors":"H. Nash","doi":"10.1109/ICPS.1988.10976","DOIUrl":"https://doi.org/10.1109/ICPS.1988.10976","url":null,"abstract":"The real world of power problems as seen through the eyes of the user and his consulting engineer is considered. An attempt is made to discover if there is a logical approach to solving power problems. A number of questions that need to be answered are listed in the proposed IEEE Emerald Book.<<ETX>>","PeriodicalId":201639,"journal":{"name":"Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988.","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127827637","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
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