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Conference on Industrial and Commercial Power Systems最新文献

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A fast discrete method for voltage drop and current calculation for manufacturing facilities with intermittent loads 间歇负荷制造设备电压降和电流的快速离散计算方法
Conference on Industrial and Commercial Power Systems Pub Date : 1990-04-30 DOI: 10.1109/ICPS.1990.66255
F. S. Prabhakara
{"title":"A fast discrete method for voltage drop and current calculation for manufacturing facilities with intermittent loads","authors":"F. S. Prabhakara","doi":"10.1109/ICPS.1990.66255","DOIUrl":"https://doi.org/10.1109/ICPS.1990.66255","url":null,"abstract":"A numerical method of calculating voltage drops and thermal current ratings due to a large number of intermittent loads such as welders and robots is presented. The welder and robot loads may have different currents and duty cycles and connect at different points on a distribution network, not necessarily radial. No lumping of welder loads is required. Regular loads such as motor loads and other process loads can also be represented simultaneously. The method can be easily extended to single-phase welders, i.e. for a three-phase distribution system analysis.<<ETX>>","PeriodicalId":171461,"journal":{"name":"Conference on Industrial and Commercial Power Systems","volume":"123 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129551302","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
Utility capacitor switching and adjustable speed drives 公用事业电容器开关和调速驱动器
Conference on Industrial and Commercial Power Systems Pub Date : 1990-04-30 DOI: 10.1109/ICPS.1990.66262
V. Wagner, J. Staniak, T. Orloff
{"title":"Utility capacitor switching and adjustable speed drives","authors":"V. Wagner, J. Staniak, T. Orloff","doi":"10.1109/ICPS.1990.66262","DOIUrl":"https://doi.org/10.1109/ICPS.1990.66262","url":null,"abstract":"The circumstances of drives tripped by utility capacitor switching are analyzed using the results of a case study. It is shown that low-loss utility capacitors increase the surge magnitude by decreasing system damping. Surge magnification is possible at lower voltage buses from the capacitor buses. The three conditions for magnification are described. It is shown that drive sensitivity to the surge depends on whether the drive filter inductor is saturated by the surge.<<ETX>>","PeriodicalId":171461,"journal":{"name":"Conference on Industrial and Commercial Power Systems","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132054701","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
Characteristics and applications of various arc interrupting methods 各种断弧方法的特点及应用
Conference on Industrial and Commercial Power Systems Pub Date : 1990-04-30 DOI: 10.1109/ICPS.1990.66257
R. Hoerauf, D. Shipp
{"title":"Characteristics and applications of various arc interrupting methods","authors":"R. Hoerauf, D. Shipp","doi":"10.1109/ICPS.1990.66257","DOIUrl":"https://doi.org/10.1109/ICPS.1990.66257","url":null,"abstract":"The author discusses considerations in choosing the most appropriate methods and applications of various arc interrupting devices. Differences in arc interruption by voltage class are examined. Arc interruption history, theory, and design criteria are discussed.<<ETX>>","PeriodicalId":171461,"journal":{"name":"Conference on Industrial and Commercial Power Systems","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134082874","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
Failure analysis of low voltage power and control circuits 低压电源及控制电路的失效分析
Conference on Industrial and Commercial Power Systems Pub Date : 1990-04-30 DOI: 10.1109/ICPS.1990.66258
D. J. Love
{"title":"Failure analysis of low voltage power and control circuits","authors":"D. J. Love","doi":"10.1109/ICPS.1990.66258","DOIUrl":"https://doi.org/10.1109/ICPS.1990.66258","url":null,"abstract":"The authors discuss two proven circuit protection techniques-a probability method using a decision tree and a component damage method to predict the weakest circuit component. These methods are applicable to circuits typically found in both fossil and nuclear generating stations and provide simple tools for selecting circuitry arrangements or components. A failure analysis, and calculations are presented. A fault scenario and a comparison of four typical circuits are presented.<<ETX>>","PeriodicalId":171461,"journal":{"name":"Conference on Industrial and Commercial Power Systems","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114178140","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
Testing required to demonstrate reliability of emergency and standby power equipment 为证明应急和备用电力设备的可靠性而进行的试验
Conference on Industrial and Commercial Power Systems Pub Date : 1990-04-30 DOI: 10.1109/ICPS.1990.66249
D. Koval
{"title":"Testing required to demonstrate reliability of emergency and standby power equipment","authors":"D. Koval","doi":"10.1109/ICPS.1990.66249","DOIUrl":"https://doi.org/10.1109/ICPS.1990.66249","url":null,"abstract":"A detailed generalized statistical development of an equipment reliability testing plan is presented and compared with the specific International Electrotechnical Commission's IEC Standard Publication 605-5: 'Equipment reliability testing.' Detailed references, discussions, definitions of terms, illustrations, and a case study are presented to provide an understanding of the complex area of demonstrating the reliability of new or existing emergency and standby power equipment and systems.<<ETX>>","PeriodicalId":171461,"journal":{"name":"Conference on Industrial and Commercial Power Systems","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123324712","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
Automated bus transfer control for critical industrial processes 关键工业过程的自动总线传输控制
Conference on Industrial and Commercial Power Systems Pub Date : 1900-01-01 DOI: 10.1109/ICPS.1990.66248
D. Horňák, D. Zipse
{"title":"Automated bus transfer control for critical industrial processes","authors":"D. Horňák, D. Zipse","doi":"10.1109/ICPS.1990.66248","DOIUrl":"https://doi.org/10.1109/ICPS.1990.66248","url":null,"abstract":"The techniques and methods for maintaining continuous electrical power to petroleum and chemical facilities from two or more utility feeders by an automated bus transfer logic controller system are discussed. The purpose of this system is to reduce transients, torsional forces, inrush currents, and motor stress while maintaining continuous motor operation when the primary utility source experiences an interruption and operating facility transfers the motor load to an alternative source of electrical supply. The engineering studies, application considerations, motor control design requirements, and installation and operation of the automated bus transfer controller are discussed. The bus transfer methods are reviewed. The effectiveness of these methods using typical buses is discussed. The influence of bus voltage and phase angle characteristics during bus transfer for determining the best transfer technique is analyzed.<<ETX>>","PeriodicalId":171461,"journal":{"name":"Conference on Industrial and Commercial Power Systems","volume":"322 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115258005","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
Graphical monitoring plus practical experience offers realistic solutions to power disturbances 图形监控加上实践经验，为电力干扰提供了现实的解决方案
Conference on Industrial and Commercial Power Systems Pub Date : 1900-01-01 DOI: 10.1109/ICPS.1990.66259
D. Darling
{"title":"Graphical monitoring plus practical experience offers realistic solutions to power disturbances","authors":"D. Darling","doi":"10.1109/ICPS.1990.66259","DOIUrl":"https://doi.org/10.1109/ICPS.1990.66259","url":null,"abstract":"Diagnosing the causes of modern electrical equipment malfunctions is discussed, emphasizing graphical monitoring and practical experience. Five examples of disturbance studies are given. Examples of both internal and external causes are given.<<ETX>>","PeriodicalId":171461,"journal":{"name":"Conference on Industrial and Commercial Power Systems","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127887911","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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