23 results on '"Silva Ortega, Jorge Ivan"'
Search Results
2. Energy Evaluation of Pumping Systems in a Clean Water Plant: A Study Case
- Author
-
Arenas Sarmiento, Jovani Jabid, primary, Herazo Acevedo, Jesus Humberto, additional, Sousa Santos, Vladimir, additional, Silva Ortega, Jorge Ivan, additional, and Candelo-Becerra, John E., additional
- Published
- 2023
- Full Text
- View/download PDF
3. Energy Evaluation of Pumping Systems in a Clean Water Plant: A Case Study.
- Author
-
Arenas Sarmiento, Jovani Jabid, Herazo Acevedo, Jesus Humberto, Silva Ortega, Jorge Ivan, Sousa Santos, Vladimir, and Candelo-Becerra, John E.
- Subjects
VARIABLE speed drives ,TECHNOLOGICAL innovations ,ELECTRIC power consumption ,AQUATIC plants ,INDUSTRIALISM - Abstract
This paper presents a methodology based on the ISO-50001 standard to assess the energy impact of replacing standard-efficiency motors with high-efficiency motors driven by variable speed drives in an industrial pumping system. The methodology includes the inspection and installation of the new technology, measurements, data processing, and analysis of the results. In addition, an energy efficiency indicator, an energy baseline, and a Pareto diagram are used, while the harmonics generated by new technologies are evaluated. The contribution of the methodology is that it allows for a comprehensive energy diagnosis using easily measurable data like electricity consumption and water flow, replacing the measurement of the motor's mechanical power in industrial conditions, which is a current challenge. The methodology applied in the case study showed that the technological changes saved 36% of energy and that the variable speed drives increased current harmonics by 10%. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
4. Procedure to obtain the optimal distribution cooling capacity of an air-condensed chiller plant for a hotel facility conceptual design
- Author
-
Torres, Yamile Díaz, Calvo, Roy Reyes, Herrera, Hernán Hernández, Guerra, Mario A. Álvarez, Sarduy, Julio Gómez, and Silva Ortega, Jorge Iván
- Published
- 2021
- Full Text
- View/download PDF
5. Heating ventilation and air-conditioned configurations for hotelsan approach review for the design and exploitation
- Author
-
Torres, Yamile Díaz, Herrera, Hernán Hernández, Plasencia, Mario A. Alvares Guerra, Novo, Eduardo Pérez, Cabrera, Lester Pimentel, Haeseldonckx, Dries, and Silva-Ortega, Jorge Iván
- Published
- 2020
- Full Text
- View/download PDF
6. THE BEHAVIOR OF THE ANNUAL ELECTRICITY DEMAND AND THE ROLE OF ECONOMIC GROWTH IN COLOMBIA
- Author
-
Grimaldo-Guerrero, John William, primary, Silva-Ortega, Jorge Ivan, additional, Candelo-Becerra, John E., additional, and Balceiro-Alvarez, Bernardo, additional
- Published
- 2021
- Full Text
- View/download PDF
7. Tendencias y características de la realidad virtual
- Author
-
Vásquez Carbonell, Mauricio Andres, primary and Silva-Ortega, Jorge Ivan, primary
- Published
- 2020
- Full Text
- View/download PDF
8. Monitoring electromagnetic fields and safe operation levels in electrical power transmission lines
- Author
-
Silva Ortega, Jorge Ivan, Cardenas Escorcia, Yulineth del Carmen, and Valencia Ochoa, Guillermo Eliecer
- Subjects
electrical power transmission and distribution lines ,electromagnetic field ,safe operation levels ,Non-Ionizing Radiation - Abstract
Electrical power systems and their elements such as power transformers, transmission lines, capacitors, reactors and other elements, during normal operation generates electromagnetic fields that changes according with design, equipment distribution, current and voltage operation levels. This paper describes the monitoring electromagnetic fields and safe operation levels in electrical power transmission and distribution lines during the last five years in power lines located in warm climate with high salinity, corrosion and pollution level. A literature review was considered during the study. This paper characterizes power lines in order to guarantee safe operation to occupational exposure and general public since planning process. Results will be used in order to characterize power lines and will be used as a tool for utilities with the aim to reduce legal penalties and promote social responsibility. Results also were contrasted with International Commission on Non-Ionizing Radiation Protection (ICNIRP) recommendations with the reference levels for occupational exposure to time-varying electric and magnetic fields. Results provide recommendations for electrical grid utilities also the study compare real values with simulated values in order to guarantee an acceptable approach according with ICNIRP and international standards recommendations
- Published
- 2018
9. Demand energy forecasting using genetic algorithm to guarantee safety on electrical transportation system
- Author
-
Silva Ortega, Jorge Ivan, Isaac Millan, Idi A., Cardenas Escorcia, Yulineth del Carmen, and Valencia Ochoa, Guillermo Eliecer
- Subjects
Long-term demand estimation model ,Cascade-forward back propagation ,Neural networks ,Peak power demand forecast - Abstract
Demand estimation models are used for energy planning activities. Their primary function is focused on securing energy supply to final users using available resources in generation, transport and interconnection. Long-term planning models typically use non-linear optimization techniques considering an error not exceeding 5%. The reference model used by UPME in Colombia is limited to an average error of 1.6% considering non-linear modeling estimation techniques. However, they are limited in their ability to anticipate uncharacteristic variations in curves or externalities, which increases the probability of an erroneous prediction. Therefore, this research proposes a model to forecast electricity demand using neural networks in order to anticipate non-characteristic variations. The study first documents current methodologies for the prediction of maximum power demand, as well as the current deficiencies in the used forecasts, A new model is then formulated with the application of neural networks using the algorithm Cascade-Forward Back propagation using MATLAB R2017a. During the model comparison process, it was identified that the data obtained reflects the characteristics of demand behavior with an acceptable margin error equal to 0.5%.
- Published
- 2018
10. Electrical market models comparative study in Latinamerica
- Author
-
Diaz Perez, Sergio David, Gomez Charris, Yulineth, Silva Ortega, Jorge Ivan, and Noriega Angarita, Eliana Maria
- Subjects
Marketing ,Energy ,Spot ,Regulación ,Energía ,Comercialización ,Mercado ,Market ,Regulation - Abstract
Electrical interconnections between Latin American countries are a reliable and secure source of energy supply that have had a comprehensive assessment, pointing to a new vision that considers taking the greatest advantage in electric markets in which transactions can be carried out and show a Joint and unified development. This has led to a globalization capable of establishing good relations between governments, bearing in mind that the energy issue is a central point for the development and quality of life of Latin American countries. This research article is presented as a technical consultation document, which allows to know the different structures of some electric sectors, and of the wholesale market of electrical energy of countries of Latin America. And it is the result of an investigation that allowed the accomplishment of a comparative analysis and as well the description of the fundamental aspects as: market model, of costs and tariffs and regulatory frameworks; In order to establish improvements that identify more viable options in those markets considered to be few efficient. Las interconexiones eléctricas entre países de América Latina son una fuente confiable y segura de suministro energético que han tenido una evaluación integral, apuntando a una nueva visión que considera tomar la mayor ventaja posible en los mercados eléctricos en los cuales las transacciones pueden realizarse y mostrar un desarrollo conjunto y unificado. Esto ha dado lugar a una globalización capaz de establecer buenas relaciones entre gobiernos, teniendo en cuenta que el tema energético es un punto central para el desarrollo y calidad de vida de los países de Latinoamérica. Este artículo de investigación se presenta a manera de documento técnico de consulta, el cual permite conocer las distintas estructuras de algunos sectores eléctricos, y del mercado mayorista de países de América Latina, el cual es el resultado de una investigación que permitió la realización de un análisis comparativo y a su vez la descripción de los aspectos fundamentales como: modelo de mercado, de costos y tarifas y marcos regulatorios; con el fin de establecer mejoras que identifiquen opciones más viables en aquellos mercados considerados pocos eficientes.
- Published
- 2017
11. Solar and wind energy potential characterization to integrate sustainable projects in native communities in La Guajira Colombia
- Author
-
Ojeda Camargo, Edgar, Candelo Becerra, John Edwin, and Silva Ortega, Jorge Ivan
- Subjects
Energía potencial ,Potential energy ,Solar energy ,Sustainable energy ,Comunidades indígenas ,Sostenibilidad energética ,Native communities ,Energía eólica ,Rural communities ,Wind energy ,Comunidades rurales ,Energía solar - Abstract
El aprovechar eficientemente el potencial energético solar y eólico para la producción de energía eléctrica es un gran reto mundial. Es más necesario aun cuando se trata de comunidades rurales debido a la falta de proyectos que generen grandes oportunidades como opción de mejora de sus condiciones y sobre todo hacer que estos proyectos sean sostenibles a largo plazo. Este artículo presenta una revisión de los retos actuales en la sostenibilidad energética de comunidades indígenas de la Guajira Colombia y la forma en que pueden realizarse diferentes tipos de proyectos de energía sostenible para mejorar las diferentes necesidades de la población. El estudio se realizó en dos partes principales: la primera fue una consulta a la comunidad sobre las necesidades principales y la segunda la consulta sobre el potencial energético de la zona, con el fin de plantear posibles soluciones a necesidades no suplidas para la población. Como resultado del estudio se obtuvo que hay un alto interés de la comunidad por el desarrollo de diferentes proyectos que ayudan a suplir los requerimientos de las comunidades. Se definen diferentes retos para lograr que las comunidades indígenas de esta región sean más sostenibles y que tengan una mayor competitividad por medio de proyectos sustentables. La generación de posibles proyectos tipo se pueden realizar bajo las necesidades actuales que deben cubrirse para cada comunidad. The efficient use of solar and wind energy has been a great worldwide challenge. Also, it is more necessary when it is required by isolated communities due to the lack of applied projects which promotes innovation, solve problems and guarantee sustainable system in a long term scenario. This paper describe the energy requirements detected in native communities in la Guajira Colombia and propose alternative solutions based in energy applications to improve them in the population. The study was divided in two parts in order to propose possible solution of community’s needs: the first was a survey application to the native community which identified priority related to energy consumption and the second one was a characterization of energy resources of the area. Results evidenced a high motivation of the community in the development of projects based on their requirements and needs. In the paper describe those challenges to raise the sustainable and competitive level of these communities considering sustainable projects. Finally the paper describe projects that can be realized based on actual needs.
- Published
- 2017
12. Evaluación de fallas en un transportador de cangilones. Caso de estudio
- Author
-
Hernandez, Hernan Herrera, Castellanos, Luis M., Cabello Eras, Juan Jose, Silva Ortega, Jorge Ivan, and Manga, Carlos A.
- Subjects
Failure analysis ,análisis por elementos finitos ,resistencia a la fatiga ,Finite element analysis ,análisis de falla ,Bucket conveyor ,transportador de cangilones ,Fatigue resistance - Abstract
A failure in the bottom sheet of a bucket conveyor (KZBQ.AUMUND) during service was investigated. Sheets are coupled to the chain throught a screw connection; they operate in variable load scenarios causing fatigue. A chemical and microstructural analysis was made showing that sheet was built in steel with 0.15 % of Carbone without alloying elements that contribute to the refined grain and resistance increase. Strength calculation, used to determinate safety factor, consider load system and type material. Results concluded that geometry and thickness value do not provide an adequate fatigue resistance coefficient. Es investigada la falla en las láminas del fondo de un transportador de cangilones KZB-Q.AUMUND durante su servicio. Las láminas están acopladas a una cadena a través de uniones atornilladas y operan bajo un régimen de cargas variables causándoles fatiga. Se realiza un análisis químico y microestructural el cual evidencia que las láminas fueron elaboradas de un acero con 0,15 % de carbono sin elementos de aleación que contribuyan al afinamiento del grano y al incremento de la resistencia. Se calculan las tensiones para determinar el coeficiente de seguridad a la fatiga considerando el sistema de cargas y el material de las láminas. Los resultados concluyen que la geometría y los valores de espesor no le proporcionan a las láminas un adecuado coeficiente de resistencia a la fatiga.
- Published
- 2017
13. Effects of Splitter Blade Length on Disc Pump Performance
- Author
-
Martinez Diaz, Leonel, Hernandez Herrera, Hernan, Castellanos Gonzalez, Luis Marcos, and Silva Ortega, Jorge Ivan
- Subjects
Boundary layer ,Spliter blades ,Pump ,Disc pump ,Blades lenghts ,Viscous drag - Abstract
The disc pump operates using boundary layer principle and viscous drag with a relatively low efficiency. There are methods to increase head and efficiency, one of them is the placing of blades sector sor splitter blades in disc. This method has been applied only in the low viscosity fluids pumping (v
- Published
- 2017
14. Perspectives of native community in la guajira facing sustainable development and energy supply
- Author
-
Silva Ortega, Jorge Ivan, Ojeda C, Edgar, and Candelo, John E.
- Subjects
Remote communities ,Energy efficiency ,Indigenous Communities ,Sustainable development ,Saving measures - Abstract
Access to electricity as a public service is important issue to promote the economic development of isolated communities. However, this service is not available in many remote communities. Providing electricity service must be accompanied with some identification and characterization plans according to the energy needs, including the service quality and energy efficiency. The direct perception of the native communities is fundamental to define the requirements of new electrification projects. This paper summarizes the perceptions of native communities in La Guajira, Colombia about providing electricity service, and possible actions for improving energy resources available in the area. To achieve these results, a survey that identifies the people's opinion was applied with the following factors: the percentage of households with electricity, the perception of service quality, the proper use of electricity, and its main use. The results show that a high percentage of the native population does not have access to electricity, but they recognize and identify that this service would promote their economic development. However, people's perception about service quality is not good, and most of the population has concern regarding the use of electricity, saving actions and payment mechanisms. Through this research, a new perception of the sustainable energy is determined, relevant to achieve the best application of the electricity use in the region, towards the promotion of the sustainable development. These results show that there is a need to ensure energy supplied to non-interconnected or isolated areas, which represents a great challenge for the Government in providing more resources to the population, and to promote compliance with the proclaimed in the current laws and energy policy. El acceso a la electricidad como servicio público resulta relevante para promover el desarrollo económico de comunidades aisladas. Sin embargo, este servicio no está disponible en muchas comunidades remotas. La prestación de este servicio debe ir acompañado de algunos planes de identificación y caracterización de las necesidades energéticas, incluyendo la calidad de la energía y eficiencia energética. La percepción directa de las comunidades indígenas es fundamental para definir los requerimientos de los proyectos de electrificación. Este artículo resume la percepción de las comunidades indígenas en La Guajira, Colombia frente a la prestación del servicio de energía eléctrica y posibles acciones de mejoramiento con recursos energéticos disponibles en la zona. Para lograr estos resultados, se realizó una encuesta que permite identificar la opinión que tienen las personas, identificando los siguientes factores: el porcentaje de hogares con servicio de electricidad, la percepción de la calidad del servicio, el uso apropiado de la electricidad y su principal uso. Los resultados evidencian que un alto porcentaje de la población indígena no cuenta con el acceso al servicio de electricidad, pero reconocen e identifican que este servicio promovería su desarrollo económico. Sin embargo, su percepción de la calidad del servicio no es buena y la mayoría de la población tiene preocupación respecto al uso de electricidad, las medidas de ahorro y mecanismos de pago. A través de esta investigación, se determinó una nueva percepción de la energía sostenible necesaria para lograr la mejor aplicación del uso de energía eléctrica en la región orientada hacia el fomento del desarrollo sostenible. Estos resultados muestran que existe una necesidad para garantizar el abastecimiento energético a las zonas no interconectadas o aisladas, lo cual representa un gran reto para el gobierno en brindar los recursos a su población y propender por el cumplimiento de lo proclamado en las leyes y la política energética vigente.
- Published
- 2017
15. Estrategias innovativas para el desarrollo de habilidades específicas en sistemas fotovoltaicos usando guías de experiencias de laboratorios: tecnologías y educación sustentable
- Author
-
Ospino Castro, Adalberto Jose, Silva Ortega, Jorge Ivan, Muñoz Maldonado, Yecid Alfonso, Candelo Becerra, John Edwin, Mejia Taboada, Mario Andres, and Valencia Ochoa, Guillermo Eliecer
- Subjects
Trabajo independiente ,Sustainability ,Sustainable energy ,Energía sustentable ,Independent work ,sostenibilidad ,Productos ,Outcomes ,Sistemas fotovoltáicos ,Photovoltaic systems - Abstract
The use of new strategies for develop professional skills on photovoltaic systems was designed as result of integrated cooperation between universities and research groups that work in the development of tools to implement an academic program for using solar energy. This paper covers the proposed outcomes that will be achieved during the application of activities, an introduction to the concepts that are considered, the methodological process that is applied, and activities that promote independent work by the students using experiences guide applying photovoltaic systems. There are used during the teaching process preliminary questions to assess the understanding of the concepts and objectives considered. As a result, students will design a final report to validate the outcomes completion. These strategies search the development of skill through courses, gaining as result a solid experience in research aimed to develop photovoltaic technologies as classroom activities in order to keep a sustainability of the program. This paper presents an example of a practice guide called “Characterization of Photovoltaic Cell with Artificial Lighting and Natural Lighting” in order to present the structure and explain the cognitive process, allowing the assimilation of knowledge. The strategies were designed to stimulate interaction with a real environment, with a focus on validating theories and models focusing on the application of photovoltaic systems including developmental educational model; for this reason, there are promoted new ideas for education in the area of photovoltaic systems considering the implementation of sustainable energy and increasing the scope of engineering education El uso de nuevas estrategias para desarrollar competencias profesionales en el manejo de sistemas fotovoltaicos fue generado como resultado de una cooperación integrada de universidades y grupos de investigación que trabajan en el desarrollo de herramientas para implementar un curso que promueva el uso de energía solar fotovoltaica. Este artículo realiza la descripción desde las competencias a desarrollar durante el desarrollo de las actividades, la introducción a los conceptos considerados, el proceso metodológico aplicado y las actividades que promueven el trabajo independiente por parte de los estudiantes. Las preguntas iniciales buscan identificar conceptos y objetivos de las actividades a desarrollar, como resultado el estudiante desarrollará un reporte final que valide el cumplimiento de los logros obtenidos. Estas estrategias buscan el desarrollo de competencias, permitiendo la obtención de una experiencia inicial en investigación en el área de tecnologías para sistemas fotovoltaicos, generando así una actualización de los contenidos para los siguientes cursos, propiciando el concepto de educación sostenible. Este articulo presenta un ejemplo de una de las guías como estructura para explicar el proceso cognitivo descrito en donde se evidencia como se logra la asimilación del conocimiento por parte del estudiante. Las estrategias fueron diseñadas para estimular la interacción con el medio real y generar un enfoque en la validación de modelos y teorías aplicados a sistemas fotovoltaicos involucrando el modelo desarrollista bajo el cual concibe el desarrollo de la guía. Finalmente, el objeto de las guías busca generar nuevas desde la educación alrededor del tema de sistemas fotovoltaicos, considerando la implementación del concepto de energía sostenible, lo cual incrementa el campo de acción de la educación en las áreas de ingeniería.
- Published
- 2016
16. Performance evaluation of a DC-AC inverter controlled with ZAD-FPIC
- Author
-
Hoyos Velasco, Fredy Edimer, primary, Candelo, John E., additional, and Silva Ortega, Jorge Ivan, additional
- Published
- 2018
- Full Text
- View/download PDF
17. Energy consumption comparison between air conditioning system Mini-Split and Variable Refrigerant Flow in an educational building
- Author
-
Barros Alvarez, Martin Angel, Balbis Morejon, Milen, Tovar Ospino, Ivan, Castro Pena, Juan Jose, De Leon Siado, Lina Maria, Silva Ortega, Jorge Ivan, and Rosales Villa, Dora Edith
- Subjects
Energy consumption ,Variable refrigerant volume (VRF) ,Consumo energético ,Simulación dinámica ,Eficiencia energética ,Energy efficiency ,Volumen de Refrigerante Variable (VRF) ,Educational buildings ,Edificaciones educativas ,Dynamic simulation - Abstract
Este estudio compara el comportamiento del consumo energético para dos tecnologías diferentes de climatización al interior del laboratorio de Máquinas Eléctricas de la Universidad de la Costa CUC. Durante el desarrollo de esta investigación se caracterizó el recinto y se identificaron los equipos con consumo significativo, destacándose el sistema de climatización como el de mayor consumo de energía. Teniendo en cuenta lo anterior, se realizó una comparación del consumo energético entre el sistema de climatización (tipo mini Split) con un sistema de volumen de refrigerante variable (VRF), considerando las mismas condiciones de carga interna y externas asociadas al estudio deedificaciones educativas. Esta comparación se llevó a cabo realizando mediciones de potencia eléctrica activa y consumo de energía del sistema actual durante un período de una semana típica de operación. Estos resultados se compararon por medio del modelamiento y simulación dinámica del desempeño energético del recinto, mediante el empleo del software EnergyPlus (E+) como herramienta predictiva y con asignación de la tecnología de acondicionamiento de aire tipo VRF. Los resultados de esta simulación evidenciaron el potencial de ahorro del 30% ante esta variación tecnológica. In this Study the behavior of energy consumption for two different air conditioning technologies into the Electrical Machines Laboratory at Universidad de la Costa CUC was compared. During this investigation the building was assesed, and the equipments with significant energy consumption were identified, realizing the climate system being the highest one. Considering the above, a comparison of energy consumption was made between mini-split technology with a system of variable refrigerant volume (VRF), using the same internal and external conditions associated to the study of educational buildings. This comparison was carried out by measuring active electric power and energy
- Published
- 2015
18. Voltage collapse point evaluation considering the load dependence in a power system stability problem.
- Author
-
Sanchez, Zaid García, Gonzalez Cueto Cruz, Jose Antonio, Sanchez, Gustavo Crespo, Herrera, Hernán Hernández, and Silva Ortega, Jorge Ivan
- Subjects
ELECTRIC potential ,MODAL analysis ,RESEARCH & development - Abstract
Voltage Stability has emerged in recent decades as one of the most common phenomena, occurrence in Electrical Power Systems. Prior researches focused on the development of algorithm indices to solve the stability problem and in the determination of factors with most influence in voltage collapse to solve the stability problem. This paper evaluates the influence that the load dependence has with the voltage on the phenomenon of the voltage stability and especially on the characteristics the collapse point or instability point. Load modeling used is detailed and comparisons of the results obtained are made with those described in the bibliography and those obtained with commercial software. The results of the load margin are also compared when a constant load or a voltage-dependent load is considered as well as the values obtained at the maximum load point and the point of voltage instability. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
19. Economic Assessment of Changes in the Regulation of the Transmission Activity in Colombia.
- Author
-
Andrade-Becerra, Andrés, Marenco-Rua, Sergio, Grimaldo-Guerrero, John-William, Noriega-Angarita, Eliana-Maria, and Silva-Ortega, Jorge-Ivan
- Subjects
ECONOMIC change ,ELECTRIC power transmission ,MUTUAL funds ,ECONOMIC impact ,RATE of return - Abstract
The research presents an analysis of the technical, legal and economic implications generated due the change in regulating for the remuneration of the electricity transmission sector in Colombia. Economic comparisons are made of the existing and the proposal methodology by the regulatory authority in the electricity sector in Colombia. The results allow to identify the technical-economic impact generated in the companies of the transmission sector and to the users. Finally, it can be concluded that the change in remuneration will not affect the returns of investment in companies and will encourage the improvement of their electric assets and the quality of service. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
20. Energy planning and management during battery manufacturing.
- Author
-
Noriega Angarita, Eliana, Cabello Eras, Juan José, Hernández Herrera, Hernán, Sousa Santos, Vladimir, Balbis Morejón, Milen, Silva Ortega, Jorge Ivan, and Sagastume Gutiérrez, Alexis
- Subjects
ENERGY management ,BATTERY industry ,ENERGY consumption ,ELECTRIC motors - Abstract
Copyright of Gestao & Producao is the property of Gestao & Producao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2019
- Full Text
- View/download PDF
21. Evaluation and modeling of the variation of electromagnetic field on the cross section of a transmission line using finite difference method
- Author
-
Silva Ortega, Jorge Ivan, Hernandez Herrera, Hernan, and Gomez Sandoval, Elibardo Jose
- Subjects
cross section ,magnetic field ,power lines ,mathematical model ,electric field - Abstract
This paper present a purpose to characterize power lines in order to identify level of operation since the power grid planning. In order to model a power line was required the use of computational tools to generate a mathematical model in MATLAB, which was based on the finite difference method and represent the electromagnetic field (EMF) contribution. The results were contrasted with real and measured values taken from a cross section of a power line that was previously modeled. Statistical analysis showed an accurate estimation of the electric and magnetic field emitted by the line identifying the same shape of the plotted curve and values in an acceptable range.
- Published
- 2015
22. Implementación de nueva herramienta de seguimiento académico que valida la evaluación por competencias genéricas dentro de la facultad de ingeniería de la Universidad de la Costa (CUC)
- Author
-
Silva Ortega, Jorge Ivan, Comas González, Zhoe Vanessa, De la Hoz Valdiris, Ethel, and Elguedo Pallares, Alejandra
- Subjects
Evaluación por competencias ,Herramientas evaluativas ,Academic issues ,Test by skills ,Formación académica ,Evaluative tools - Abstract
This paper named “Application of new monitoring tools that validates academic generic skills assessment in the Faculty of Engineering at Universidad de la Costa (CUC)” presents the progress achieved in the implementation of a new evaluation model that seeks the identification of features characteristic in students with the aim of strengthen the academic development of generic skills that currently is being evaluated by the ICFES in a transverse form in all academic programs. The initial diagnosis is obtained from the test on the previous period, in which are identified the skills at which the student must be strengthen into their academic level in order to make a feedback to the evaluation process and to validate that since the scope of the engineering faculty of the Universidad de la Costa (CUC), can focus on improving and applying these indicators enabling students to present such evidence to assess their academic competency. El presente documento titulado “Implementación de nuevas herramientas de seguimiento académico que valida la evaluación por competencias genéricas dentro de la facultad de ingeniería de la Universidad de la Costa (CUC)”, presenta los avances obtenidos en la implementación de un nuevo modelo de evaluación que busca identificar aspectos característicos dentro de los estudiantes para fortalecer la formación académica entorno al desarrollo por competencias genéricas que en la actualidad está evaluando el ICFES de manera transversal a todos los programas académicos. El diagnóstico inicial se obtiene de la prueba realizada el periodo anterior, en donde se identifican los puntos en los cuales el estudiante debe fortalecer su nivel académico a fin de hacer una realimentación al proceso de evaluación y validar si efectivamente la Universidad de la Costa desde el alcance de la facultad de ingeniería puede apuntar a mejorar estos indicadores aplicando y capacitando a los estudiantes a presentar este tipo de pruebas que valoran su desempeño académico por competencias.
- Published
- 2014
23. Fault Effect Analysis Based on Elements Loadability to Evaluate Reliability in Power Systems.
- Author
-
Mantilla Florez, Bleidy H., Silva Ortega, Jorge Ivan, and Candelo Becerra, John Edwin
- Abstract
This paper presents a fault effect analysis (FEA) based on element loadability as a complement tool to evaluate reliability and identify vulnerable points in power systems. The steps of the method are the calculation of overloaded elements after contingencies, determination of the FEA based on element loadability, selection of critical overloaded elements, and evaluation of system reliability by considering the energy not supplied (ENS). A simplified transmission and distribution (T and D) power system with 30 nodes was used as study case for the method. The results show that the loadability percentage of transformers and power lines are calculated successfully for the N-1 contingency analysis performed in the network and the method selects the elements with higher loadability values, evaluating the impact that each critical contingency generates on the power system reliability. The method can be used to prioritize remedial actions for critical elements on power systems. [ABSTRACT FROM AUTHOR]
- Published
- 2018
- Full Text
- View/download PDF
Catalog
Discovery Service for Jio Institute Digital Library
For full access to our library's resources, please sign in.