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Small-signal Model for Dual-active-bridge Converter Considering Total Elimination of Reactive Current

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Journal of Modern Power Systems and Clean Energy 2021年第2期9卷 450-458页

作者： Juan Ramon Rodriguez-Rodriguez Nadia Maria Salgado-Herrera Jacinto Torres-Jimenez Nestor Gonzalez-Cabrera David Granados-Lieberman Martin valtierra-Rodriguez the Universidad Nacional Autonoma de Mexico Facultad de IngenieriaDepto.Energia Electri-ca.Av.Universidad 3000Col.UNAM CUCoyoacanCDMXMexico the Instituto de Energias Renovables Universidad Nacional Autonoma de MexicoPriv.Xochicalco s/nCol.Centro.TemixcoMorelosMexico the Instituto Tec-nologico Superior de Irapuato Carretera Irapuato-Silao km 12.5.IrapuatoGuanajuatoMexico the Universidad Autonoma de Queretaro Campus San Juan del RioRio Moctezuma 249San Juan del RioQueretaroMexico

Emerging technologies such as electric vehicles,solid-state transformers,and DC transformers are implemented using the closed-loop bi-directional dual-active-bridge(DAB)*** this context,it is necessary to have average models that provide an efficient way of tuning the proportional integral(PI)compensator parameters for large-and small-signal *** present a novel small-signal model(SSM)for DAB converter with a single closed-loop PI controller and the total elimination of reactive current(IQ=0).The method applies a modulation technique for IQ=0 and introduces a composite function in the controller while reducing the original nonlinear switching model,which allows to decrease the order of the transfer function and analyze the closed-loop *** proposed SSM is analyzed using different response time,load,and DC voltage *** simulation and experimental results demonstrate the ease of implementation and effectiveness of the proposed model with respect to other SSM techniques.

关键词： Small-signal model(SSM) dual-active-bridge(DAB)converter reactive current elimination proportional integral(PI)control

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A New Phasor Estimator for PMU Applications:P Class and M Class

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Journal of Modern Power Systems and Clean Energy 2020年第1期8卷 55-66页

作者： Jose R.Razo-Hernandez Arturo Mejia-Barron David Granados-Lieberman Martin valtierra-Rodriguez Jose F.Gomez-Aguilar ENAP-Research Group Facultad de IngenieríaUniversidad Autónoma de Querétaro(UAQ)San CayetanoC.P.76807México ENAP-Research Group Departamento de Ingeniería ElectromecánicaInstituto Tecnológico Superior de Irapuato(ITESI)Colonia El CopalC.P.36821México CONACyT-Centro Nacional de Investigación y Desarrollo Tecnológico(CENIDET) Tecnológico Nacional de MéxicoInterior Internado Palmira S/NCol.PalmiraC.P.62490México

Phasor measurement units(PMUs)are fundamental tools in the applications of modern power systems,where synchronized phasor estimations are *** accuracy and dynamic performance requirements for phasor,frequency,and rate of change of frequency(ROCOF)estimations are established in the IEEE Std.C37.118.1-2011 along with the IEEE Std.C37.118.1 a-2014,where two PMU performances are suggested:P class filters for applications requiring fast response and M class filters for applications requiring high rejection to aliased *** this paper,a methodology to design new phasor estimators that satisfy the P class and M class requirements in PMUs is *** proposed methodology is based on finite impulse response filters,brick-wall filters,and complex filter design concepts,where frequency range,time performance,harmonic rejection and out-of-band interference requirements are considered in its design.A comparative analysis using the reference model given by the IEEE Std.C37.118.1 is *** results show the effectiveness of the phasor estimators under steady-state and dynamic conditions according to the PMU standard,making them suitable tools for applications in power systems.

关键词： Brick-wall filter complex filter IEEE Std.C37.118.1 M class P class phasor measurement unit(PMU) phasor estimator

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以自然的名义

现代装饰（家居） 2015年第2期 36-45页

作者： Athanasios Babalis Béatrice Bruneteau HCWD Studio KiBiSi Luca Nichetto Martín Azúa Milia Seyppel MEJD Studio Pinchdesign Perla valtierra Tjalle&Jasper Tommaso Caldera Zaven 伏平范嘉苑

自人类开始以来,人们就知道从自然中获取灵感和智慧,自然界中形形色色的生物和自然现象,给予人们无限大的提取空间和想象空间。建筑的形成,陶罐的出现,家具的产生,衣服、装饰品的图案等,首先都来自于宇宙天地,日月星辰,飞禽走兽,花草鱼... 详细信息

自人类开始以来,人们就知道从自然中获取灵感和智慧,自然界中形形色色的生物和自然现象,给予人们无限大的提取空间和想象空间。建筑的形成,陶罐的出现,家具的产生,衣服、装饰品的图案等,首先都来自于宇宙天地,日月星辰,飞禽走兽,花草鱼鸟等自然属性和鲜明的个性特征,而这些取自于自然的时尚元素,也为人们的生活增添了无穷的光辉。20世纪80年代开始,由于计算机技术的快速发展和普及以及因特网的迅猛发展,人类进入了一个信息爆炸的新时代,这个巨大的变化同时也改变着人们的生活方式。城市的喧嚣、工业化。

关键词：信息爆炸时尚元素天然木材设计原型计算机技术伙伴们增添活力给你耐火陶瓷咖啡具

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几何之美

现代装饰（家居） 2015年第2期 132-139页

作者： Meike Harde Shibui Florian Schmid Sebastian Errazuriz muuto Maurizio Bernabei Line Studio Studio North FOAM&Perla valtierra Liliana Ovalle Giopato&Coombes Staffan Holm Daniel Becker Design Studio Bloomingville 范嘉苑

牛顿说:"几何学的简洁美却又正是几何学之所以完美的核心所在。"在数学的世界里,几何学作为一个重要分支,它以其独特的图形美感著称,从点、线、面到平面图形再到立体图形,这些丰富的元素是那么平凡,却又是那么奇妙,它们共同组合在一起,... 详细信息

牛顿说:"几何学的简洁美却又正是几何学之所以完美的核心所在。"在数学的世界里,几何学作为一个重要分支,它以其独特的图形美感著称,从点、线、面到平面图形再到立体图形,这些丰富的元素是那么平凡,却又是那么奇妙,它们共同组合在一起,总能变幻出层出不穷的美丽。可以说,这个大干世界的每一样东西即便再复杂,其结构都离不开最基本的几何构成,把它们还原成最初的形态,也许会是简单的圆形、三角形、正方形、多边形……这份最原始的几何美也正是万物的魅力所在。

关键词：立体图形平面图形蒙德里安组装方式 liana 系列作品六角形设计主题

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