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1Effect of harmonic distortion on electric energy meters of different metrological principles显示文摘This paper deals with the errors of electric energy metering devices as a result of distortions in the shape of the curves of voltage and current load. It is shown and proved that the errors in energy measurements depend on the design and the algorithms used in electricity meters. There are three main types of metering devises having different principles: inductive (electro-mechanical), elec-tronic static, and digital electronic (microprocessor). Each of these types has its measuring features. Some devices take into account all the harmonic distortions and the constant component which occur in the network while others measure the power and energy values of the fundamental harmonic only. Such traits lead to the discrepancies in the readings of commercial electric energy meters of different types. Hence, the violations in the measurement system unity occur, and a significant error can be observed in the balance of transmitted/consumed electric energy.Illia DIAHOVCHENKO Vitalii VOLOKHIN Victoria KUROCHKINA Michal SPES Michal KOSTEREC 2019Frontiers in Energy2019,13,2:2
2地震技术作为油藏工程师一种重要工具的发展历程显示文摘在印尼Caltex Pacific的Sumatra岛Duri油田正在进行着四维勘探,或叫三维时移地震勘探。地震技术正在大量地提高原油采收率,使世界最大蒸汽驱油田的能源利用最佳化。在北海的Ekofisk油田,菲力普石油公司已将井中地震成像(也叫垂直地震剖面)与三维和四维的地表地震资料结合起来监测油藏,并更有信心地确定新的井位来恢复生产。在堪萨斯西南部的Kinsler油田,阿莫克、德士古和大陆石油公司已借助井间地震成像制定钻井决策和进行油藏表征。这些成果标志着地震技术除用于勘探之外,又向前有了很大的发展,成了油田开发和生产的重要工具。同时这些例子也表明,工程技术人员和地学工作者若真正地遵行多学科组织协作就有可能将未利用的资源转为可采储量。SPE Foundation 田增福 1999石油物探译丛1999,,4:2
3Lysosomal pathways to cell death and their therapeutic applications显示文摘esen M H Pegan K Spes A 2012Exp Cell Res2012,318,11:1
4Recurrent tako- tsubo-like left ventricular dysfunction (apical ballooning) in a patient with pheochromocytoma-a case report显示文摘SPES C KNAPE A MUDRA H 2006ClinRes Cardiol2006,95,:1
5Treatment of depression in patients with heart dissease显示文摘Roose SPE 0,,:1
6Recurrent tako-tsubo-like left ventricular dysfunction (apical ballooning) in a patient with pheochromocytoma-a case report显示文摘Spes C Knape A Mudra H 2006Clin Res Cardiol2006,95,5:1
7Lysosomal pathways to cell death and their therapeutic application 显示文摘CESEN MH PEGAN K SPES A 2012Exp Cell Res2012,318,11:1
8Experimental evaluation of a variable-speed, doubly-fed wind- power generation system显示文摘Brune C S Spe'e R Wallace A K 1994IEEE Transactions on Industry Applications1994,30,3:1
9Human infections due to Streptococcus dysgalactiae subspecies equisimilis显示文摘Brandt C M Spe|lerberg B 2009C|in Infect Dis2009,49,5:1
10The effects of age,gender,obesity,health habit s and vegetable consumpt ion f requency on hypert ension in elderly Chinese Americans显示文摘Tam CF Nguyen L Spe S 2005Nutrition Research2005,25,1:1
11Recurrent tako-tsubo-like left ventricular dysfunction (apicalballooning) in a patientwith pheochromocytoma-a case report显示文摘Spes C Knape A Mudra H 2006Clin Res Cardio2006,95,5:1
12Atrial Septal Aneurysm: Atrial Septal Aneurysm in Adult Patients: A Multicenter Study Using Transthoracic and Transesophageal Echocardiography显示文摘Andreas Mugge Werner G. Daniel Christiane Angermann Christoph Spes Bijoy K. Khandheria Itzhak Kronzon Robin S. Freedberg Andre Keren Karl Dennig Rolf Engberding George R. Sutherland Zvi Vered Raimund Erbel Cees A. Visser Oliver Lindert Dirk Hausmann Paul 1995Circulation1995,,:1
13Review on some plants of Indian traditional medicine with antioxidant activity显示文摘Scartezzini P Spe roni E 2000J Ethnopharmacol2000,71,12:1
14Recurrent tako -tsubo -like left ventrie- ular dysfunction (apical ballooning) in a patient with pheochromocytorna -aase report 显示文摘Spes C Knape A Mudra H 2006Clin Res Cardiol2006,95,:1
15lnferring interwell connectivity from well bottomhole-pressurv fluctuations in waterfioods显示文摘Anh Dinh and Djebbar Tiab SPE University of Oldahoma SPE0,,:1
16An interac tional network of genes involved in chitin synthesis in Saccha romyces cerevisiae显示文摘LESAGE G SHAPIRO J SPE( HT C A 2005BMC Genet2005,6,:1
17The effects of age, gender, obesity, health habits and vegetable consumption frequency on hypertension in elderly Chinese Americans 显示文摘Tam CF Nguyen L Spe S 2005Nutrition Research2005,,:1
18Influence of the olivine additive fineness on the oxidation of magnetite pellets 显示文摘SPE Forsmo A Hagglund 2003International Journal of Mineral Processing2003,,2:1
19Leak-proof test s of special joints for oil country tubular goods 显示文摘resistance of API 8 round Drilling Engineering SPE Yoshihiro N Seiichi N Tetsuro K 1974Sumitomo Metals1974,26,1:1
20Integrated BHA Concept of the Latest Generation Rotary Closed-Loop System for Hole Sizes from 5 7/8' to 18 1/4' 显示文摘Ulrich Hahne SPE Baker Hughes INTEQ SPE0,,:1
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