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2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)最新文献

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Control of fuel consumption as an aspect of resource saving in hybrid uninterruptible power systems 燃油消耗控制是混合不间断电力系统资源节约的一个方面
2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2014-10-01 DOI: 10.1109/RTUCON.2014.6998220
T. Tereshchenko, Ievgen Pichkalov, J. Yamnenko
{"title":"Control of fuel consumption as an aspect of resource saving in hybrid uninterruptible power systems","authors":"T. Tereshchenko, Ievgen Pichkalov, J. Yamnenko","doi":"10.1109/RTUCON.2014.6998220","DOIUrl":"https://doi.org/10.1109/RTUCON.2014.6998220","url":null,"abstract":"Control of diesel fuel consumption as an aspect of resource saving in hybrid uninterruptible power systems was considered. Basic block scheme of a hybrid uninterruptible power system was proposed. Features of operation of diesel generator and storage battery were considered. An expression for calculation of acceleration and deceleration mode of diesel generator at the minimum consumption of diesel fuel was obtained. Expression takes into account not only the diesel characteristics of the fuel consumption, but also efficiency factor of charge and discharge power converters. An example solution for generator HATZ 1D81C was given.","PeriodicalId":259790,"journal":{"name":"2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132145330","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
Mechanism analysis of DC bias increasing risk of commutation failure 直流偏置增加换相失效风险的机理分析
2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2014-10-01 DOI: 10.1109/RTUCON.2014.6998201
Wanting Deng, Y. Luo, Jiangtao Quan, Q. Guo, Chongli Tong, Fanrong Wei, Zhicheng Wang, Suyang Ding, Youbin Zhou, Zhengtian Li, Xiangning Lin, Jinwen Sun
{"title":"Mechanism analysis of DC bias increasing risk of commutation failure","authors":"Wanting Deng, Y. Luo, Jiangtao Quan, Q. Guo, Chongli Tong, Fanrong Wei, Zhicheng Wang, Suyang Ding, Youbin Zhou, Zhengtian Li, Xiangning Lin, Jinwen Sun","doi":"10.1109/RTUCON.2014.6998201","DOIUrl":"https://doi.org/10.1109/RTUCON.2014.6998201","url":null,"abstract":"The relation among DC bias, zero-crossing shifting resulting from voltage distortion and commutation failure is analyzed in this paper. It is pointed out that magnetizing current of converter transformer distorts when DC biasing, which not only may cause distortion of AC bus voltage, but increase risk of commutation failure. Based on PSCAD / EMTDC simulation software, China Southern Power Grid AC-DC Parallel Transmission System is established. By means of this model, the above hypothesis is verified with simulation tests. The correctness of theoretical analysis is proved with simulation results.","PeriodicalId":259790,"journal":{"name":"2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127111102","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
Clearing algorithm for minimum income condition orders on European power exchanges 欧洲电力交易所最低收入条件订单的清算算法
2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2014-10-01 DOI: 10.1109/RTUCON.2014.6998204
Á. Sleisz, D. Raisz
{"title":"Clearing algorithm for minimum income condition orders on European power exchanges","authors":"Á. Sleisz, D. Raisz","doi":"10.1109/RTUCON.2014.6998204","DOIUrl":"https://doi.org/10.1109/RTUCON.2014.6998204","url":null,"abstract":"State-of-the-art power exchange designs have to take a large set of economic and technical constraints into consideration. A specific difficulty is that most power generators have non-convex characteristics, for example startup costs and minimal load during operation. Minimum income condition orders constitute a method to represent some of the power plants' corresponding economic interests on energy markets, e.g. on the proposed all-European day-ahead power exchange. However, the non-convexity of these offers can be computationally expensive. A new clearing algorithm is proposed to manage the issue effectively with advanced mathematical tools.","PeriodicalId":259790,"journal":{"name":"2014 55th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129897847","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: 12
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