Archive for the ‘Sistemas Eléctricos de Potencia’ Category

Meeting of Academics and Professionals / Encuentro de Académicos y Profesionales MAP Chota 2016. Miércoles 28 Dic 2016 (Wed, Dec 28, 2016). 14:00 h – 20:00 h. Lugar: Complejo Cultural “Akunta”. Chota, Perú.


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Se invita a todos los que desean participar como Ponentes de este Encuentro. Las reglas son:

  1. Las ponencias serán de al menos 15 minutos.

  2. Hay espacio para 24 ponencias de 15 minutos.

  3. Las ponencias serán transmitidas vía internet por dos canales de YouTube (uno en español y otro en inglés con traductor en vivo).

  4. Los ponentes enviarán hasta el 21 de diciembre sus ponencias y CV para ser colocados en el Programa del evento.

  5. El modelo del CV en formato Word está disponible en el siguiente link: https://jmirez.files.wordpress.com/2016/12/map-chota-2016_nombreyapellidoponente_cv.docx

  6. El modelo de la presentación en formato PPT está disponible en: https://jmirez.files.wordpress.com/2016/12/ppt_mar-chota-2016_autor.pptx

  7. Los archivo PPT y Word enviarlo a jmirez@uni.edu.pe


Motivación del Encuentro

Las fiestas de fin de año reúnen a la familia y amigos, para lo cual se da el retorno de estudiantes, académicos y profesionales desde sus centros de estudio, investigación y de trabajo a sus ciudades de origen (en los diferentes ciudades y pueblos a nivel nacional)  a pasarla en familia, con las amistades o simplemente es un tiempo de retorno a nuestros lugares de origen.

Este es un motivo especial para reunirnos para conocernos y compartir lo realizado durante el año mediante la conversación y ponencias tanto en lo académico y en las experiencias profesionales sean éstas realizadas en el sector público como privado.

Chota, la Atenas del Norte del Perú, se viste de gala al organizar el MAP Chota 2016 e invita a ser parte de este encuentro entre estudiantes de escuelas, colegios, pregrado y postgrado, académicos, profesores, padres de familia, investigadores, profesionales, organizaciones de base y sociedad en general  de fin de año 2016 y hacemos el llamado a todas las ciudades del Perú a que se realicen eventos similares, y hacemos extensivo también a todos los pueblos y ciudades de América Latina.

Durante el MAP Chota 2016 estamos organizando algunas actividades extras: como un compartir; feria tecnológica, artesanal y artística; exposición de fotografías y de libros.

Las seis horas que durará el evento quedará guardado en YouTube y la participación en el evento como Ponente o Asistente es totalmente libre y gratuito. Quedan todos invitados a participar.

Página Web del Encuentro http://jmirez.wixsite.com/mapchota2016

Anuncios

PPT de mi videoconferencia: “Orientaciones para hacer modelamiento matemático y simulación numérica en Ingeniería Electromecánica” en Primeras Jornadas Tecnológicas Internacionales en Electromecánica, Universidad de las Fuerzas Armadas – ESPE, Unidad de Gestión de Tecnologías, Latacunga, Ecuador. 12 Dic 2016 3 pm (hora de Ecuador/Perú)

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Invitados a dar Me Gusta en mi FanPage http://www.facebook.com/jorgemirezperu en donde pueden encontrar información de todas las publicaciones, notas y post hechos.


morebooks-jorge-mirez-libro-introduccion-modelamiento-simulacion-de-microredes-de-energia portada_primer_libro

Enlace del libro (información, precio, compra): https://www.morebooks.de/store/es/book/introducci%C3%B3n-al-modelamiento-y-simulaci%C3%B3n-de-microredes-de-energ%C3%ADa/isbn/978-3-639-63529-4

Introducción al Modelamiento y Simulación de Microredes de Energía
Un acercamiento a los sistemas eléctricos del futuro mediante la ingeniería, física, matemática y programación
Editorial Académica Española (2016-10-25 )

ISBN-13:978-3-639-63529-4
ISBN-10:3639635299
EAN:9783639635294

Idioma del libro:
Notas y citas / Texto breve:

En el libro desarrollo el modelamiento y simulación de una microred (microgrid) de voltaje continuo/alterno alimentado con fuentes solar fotovoltaica, eólica, de almacenamiento, una red eléctrica convencional (red de empresa pública o privada de electricidad) y que posee además cargas eléctricas. En dicha microgrid se realiza la evaluación del comportamiento de los parámetros del sistema: voltaje, corriente, potencia y energía eléctrica, en condiciones normales de funcionamiento. Matlab/Simulink de MathWork Inc. es la herramienta de simulación usada y los códigos son dados en Anexos. El libro está pensando para un amplio círculo de lectores, entre: (a) estudiantes de pregrado y postgrado de diferentes carreras relacionadas a la temática de microgrids, energias renovables y energia en general, como son de ingeniería mecanica, eléctrica, electrónica y electromecanico; física, matemática, computacion, economía, entre otras; (b) empresarios y profesionales que desean especializarse o ampliar sus conocimientos en energías renovables y/o modelamiento matemático y simulación numérica; (c) autoridades y público en general interesados en temas de energía.
Editorial: Editorial Académica Española
Sitio web: https://www.eae-publishing.com
Por (autor): Jorge Luis Mírez Tarrillo
Número de páginas: 240
Publicado en: 2016-10-25
Categoría: Tecnología
Palabras clave: Energías renovables, Microred, Modelamiento y Simulación, sistema eléctrico, Matlab Simulink

(Dénle Me gusta en mi Fanpage personal: http://www.facebook.com/jorgemirez )

Conferencia “Motivación en Ingeniería Mecánica Eléctrica, Biomédica y Espacial”. Ciclo de Charlas de Motivación – Lugar Polideportivo Colegio Nacional San Juan de Chota, Chota – Perú. Lunes 20 Junio 2016 – 9 am. Organiza: Promoción Bodas de Plata 1987-1991 “Horacio Zeballos Gamez” – CN San Juan de Chota (in spanish)


Wind PV BESS hybrid power generation system with large-scale battery energy storage station

The Figure shown an example of Wind PV BESS hybrid power generation system with large-scale battery energy storage station (it is in BESS – Battery Energy Storage Station). It is used for compensation of aleatory energy production from wind turbine or PV plant. This BESS have orden of MW’s both for charge/discharge process.

Source:
Xiangjun Li, Dong Hui and Xiaokang Lai “Battery Energy Storage Station (BESS) – Based Smoothing Control of Photovoltaic (PV) and Wind Power Generation Fluctuations”. IEEE Transactions on Sustainable Energy, Vol. 4, No. 2, April 2013.


System topology for the smart grid in transition

In the not too distant future, the smart grid will emerge as a system of organically integrated smart microgrids with pervasive visibility and command-and-control functions distributed across all levels. The topology of the emerging grid will therefore resemble a hybrid solution, the core intelligence of which grows as a function of its maturity and extent. Figure shows the topology of the smart grid in transition.

Source:
Hassan Farhangi “The Path of the Smart Grid” IEEE Power & Energy Mazagine. January/February 2010. Pag 18 -28.


The smart grid of the future

As Figure shows, the smart grid is therefore expected to emerge as a well-planned plug-and-play integration of  smart microgrids that will be interconnected through dedicated highways for command, data, and power exchange.  The emergence of these smart microgrids and the degree  of their interplay and integration will be a function of rapidly escalating smart grid capabilities and requirements. It is also expected that not all microgrids will be created equal. Depending on their diversity of load, the mix of primary energy sources, and the geography and economics at work in particular areas, among other factors, microgrids will be built with different capabilities, assets, and structures.

Source:
Hassan Farhangi “The Path of the Smart Grid” IEEE Power & Energy Mazagine. January/February 2010. Pag 18 -28.


The existing grid

As Figure demonstrates, the existing electricity grid is  a strictly hierarchical system in which power plants at the top of the chain ensure power delivery to customers’ loads  at the bottom of the chain. The system is essentially a oneway pipeline where the source has no real-time information about the service parameters of the termination points. The grid is therefore overengineered to withstand maximum anticipated peak demand across its aggregated load. And since this peak demand is an infrequent occurrence, the system is inherently inefficient. Moreover, an unprecedented rise in demand for electrical power, coupled with lagging investments in the electrical power infrastructure, has decreased system stability. With the safe margins exhausted, any unforeseen surge in demand or anomalies across the distribution network causing component failures can trigger catastrophic blackouts.

Source:
Hassan Farhangi “The Path of the Smart Grid” IEEE Power & Energy Mazagine. January/February 2010. Pag 18 -28.


Basic Smart Grid ingredients

As Figure depicts, the convergence of communication technology and information technology with power system engineering, assisted by an array of new approaches,  technologies and applications, allows the existing grid to traverse the complex yet staged trajectory of architecture, protocols, and standards towards the smart grid.

Source:
Hassan Farhangi “The Path of the Smart Grid” IEEE Power & Energy Mazagine. January/February 2010. Pag 18 -28.


The smart grid compared with the existing grid

The smart grid needs to provide the utility companies with full visibility and pervasive control over their assets and services. The smart grid is required to be self-healing and resilient to system anomalies. And last but not least, the smart grid needs to  empower its stakeholders to define and realize new ways of engaging with each other and performing energy transactions across the system. To allow pervasive control and monitoring, the smart grid is emerging as a convergence of information technology and communication technology with power system engineering. Figure depicts the salient features of the smart grid in comparison with the existing grid.

Source:
Hassan Farhangi “The Path of the Smart Grid” IEEE Power & Energy Mazagine. January/February 2010. Pag 18 -28.


Two HVDC transmission solutions_Classical LCC-based system with STATCOM and VSC-based system

Classical HVDC transmission systems [as shown in Figure (a)] are based on the current source converters with naturally commutated thyristors, which are the so-called linecommutated converters (LCCs). This name originates from the fact that the applied thyristors need an ac voltage source in order to commutate and thus only can transfer power between two active ac networks. They are, therefore, less useful in connection with the wind farms as the offshore ac grid needs to be powered up prior to a possible startup. A further disadvantage of LCC-based HVDC transmission systems is the lack of the possibility to provide an independent control of the active and reactive powers. Furthermore, they produce large amounts of harmonics, which make the use of large filters inevitable. Voltage-source converter (VSC)-based HVDC transmission systems are gaining more and more attention not only for the grid connection of large offshore wind farms. Figure (b) shows the schematic of a VSC-based HVDC transmission system

Source:
Juan Manuel Carrasco, Leopoldo García Franquelo, Jan T. Bialasiewicz, Eduardo Galván, Ramón C. Portillo Guisado, Ángeles Martín Prats, José Ignacio León and Narciso Moreno-Alfonso “Power-Electronic Systems for the Grid integration of Renewable Energy Sources: A Survey”. IEEE Transactions on Industrial Electronics, Vol. 53, No. 4, August 2006


difference of time connected beetwen condensers of a bank condensers

This is my simulation made on Matlab/Simulink about difference time of conextion in bank condensers. The reactive power change in the time and it is aleatory. In this context, the mathematical models have that made the emulation of this performance.


CERTS Microgrid test bed

The CERTS Microgrid program has developed control methods to allow the installation of distributed generators (DGs) in commercial and industrial electric power systems in a “plug and play” manner. These control methods allow the generators to be electrically distributed, rather than be installed on the same electrical bus, and do not require intergenerator communications in order to maintain appropriate voltage and frequency at each generator. Note in figure that there is a communication link with the DGs that is labeled “Energy Manager”. This is a conventional  energy manager that is used for power dispatch purposes, not  for frequency or voltage control. This energy manager can  use relatively slow communications links, such as telephone  or internet, since it has no bearing on system stability.

Source:
John Stevens “CERTS Microgrid System Test”. IEEExplore


Path to the Perfect Power System

The basic philosophy in developing the perfect power system is first to increase the independence, flexibility, and intelligence for optimization of energy use and energy management at the local level; and then to integrate local systems as necessary or justified for deliveringperfect power supply and services.

This path started with the notion that increasingly consumers expect perfection in the end-use devices and appliances they have. Not only does portability enable a highly mobile digital society; but also once perfection in portability is defined, it provides elements of perfection that enable, in turn, a localize perfect system. Localized perfect systems can also accommodate increasing consumer demands for independence, convenience, appearance, environmentally friendly service and cost control.

Local systems can in turn be integrated into distributed perfect systems. Distributed perfect systems can, in turn be interconnected and integrated with technologies that ultimately enable a fully integrated perfect power system. The figure summarizes each of these system configuration stages.

Each of these configurations can essentially be considered a possible structure for the perfect power system in its own right, but each stage logically evolves to the next stage based on the efficiencies, and quality or service value improvements to be attained. In effect, these potential system configuration stages build on each other starting from a portable power system connected to other portable power systems which then can evolve into a building integrated power system, a distributed power system and eventually to a fully integrated power system.

Source:
Clark W. Gellings.The Smart Grid. CRC Press. 2009. ISBN-10 0-88173-623-6


simulation of deficit and surplus of two microgrids interconnected in Matlab

This is a part of my results about interconnected of two microgrids. It have flow power in function a its capacities, but probably a deficit and/or surplus in supply or demand in both microgrids is present. Negative is deficit in microgrid to import from other source different to other microgrid. Positivo is surplus in microgrid by export to other demand different at other microgrid. The figure is a simple example for to show that it is possible using mathematical modelling and simulations on Matlab of MathWork Inc.


simulation of power flow between two microgrids interconnected in Matlab

This is part of my results in Matlab about power flow between two microgrids interconected. In different color shown the direction of power flow (from Microgrid 1 to Microgrid 2, and from Microgrid 2 to Microgrid 1). The figure is a simple example for to show that it is possible using mathematical modelling and simulations on Matlab of MathWork Inc.


Annual historic energy demand of Ecuador country by years from 1999 to 2012

This figure represents the electrical demand in Ecuador. It is noted that during the study period, nearly doubled the demand for electricity. Currently Ecuador already has a transmission line at 500 kV. With technology centers as Yachay, I recommend that Ecuador must bet for the development of technologies such as solar photovoltaics, wind turbines and biomass. Other technologies are possible and with higher added value.

 


simulations load diagram electric

During operation a microgrid, sometimes; renewable energy sources and the external power grid, dispatched electric energy simultaneously. Sometimes, many sources is neccesary for supply to electric load. Also, all it, considering both economic and technical criteria. The figure represent la connection and disconnetion of sources for each state of performance of a microgrid. Too, it is applicable to other similar electric systems.


a hybrid ac-dc microgrid system

La figura muestra el concepto de un sistema híbrido ac/dc donde varias fuentes y cargas ac y dc son conectadas a sus correspondientes redes ac y dc. Las redes ac y dc están conectadas a través de dos transformadores y conversores trifásicos ac/dc bidireccionales. Pueden observar la diversidad de micro fuentes que se está utilizando en la descripción de la microred, incluye los diferentes dispositivos de electrónica de potencia que sirven para adecuar la energía eléctrica desde fuentes y para cargas eléctricas. Hay vehículos eléctricos conectados a la microred. Los generadores eólicos tienen diferentes configuración de control (diferentes tipos de turbinas eólicas). Un grupo electrógeno diesel también se da, dado que estos grupos se consideran los que en último caso darán energía a la microred eléctrica en situaciones ya críticas pero a la vez rentables en lo posible en economía. Para todo esto se crea modelos matemáticos de cada elemento y luego se integran en un solo programa en que se puedan cambiar las condiciones de trabajo y analizar las variables de respuesta de lo que se desea estudiar. Yo lo hago en Matlab/Simulink para quienes deseen que les brinde el servicio de asesoramiento.


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