2017 IEEE Mexican Humanitarian Technology Conference (MHTC)最新文献

Improving the profitability of grid-connected photovoltaic systems by sizing optimization 通过规模优化提高并网光伏系统的盈利能力

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-29 DOI: 10.1109/MHTC.2017.7926194

P. Rodrigo

{"title":"Improving the profitability of grid-connected photovoltaic systems by sizing optimization","authors":"P. Rodrigo","doi":"10.1109/MHTC.2017.7926194","DOIUrl":"https://doi.org/10.1109/MHTC.2017.7926194","url":null,"abstract":"The profitability of grid-connected photovoltaic (PV) systems and, hence, the penetration of this renewable energy source in the society, can be improved by sizing optimization, just finding a correct matching between the PV array peak power and the inverter nominal power. However, PV designers usually base the system sizing on rule-of-thumbs or rough estimations, which implies losing the opportunity of developing more cost-effective installations with the same system components. In this paper, a sizing case study in Aguascalientes, central México, is analyzed based on solar irradiance and ambient temperature data of 10 years. A crystalline silicon PV module and a state-of-the-art string inverter are characterized to model the rated energy yield of typical trading/industrial grid-connected PV systems. An economic objective function is proposed to optimize the system size, which accounts for the cost of inverters, cost of the rest of elements of the system and cost of electricity for the customer. Results indicate that array-to-inverter power sizing ratios between 1.13 and 1.19 as a function of the system costs can optimize the profitability. The study can be replicated to other locations, PV module technologies and grid-connected inverters.","PeriodicalId":422068,"journal":{"name":"2017 IEEE Mexican Humanitarian Technology Conference (MHTC)","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125708985","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: 5

Review on integrated optical sensors and its applications 集成光学传感器及其应用综述

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-29 DOI: 10.1109/MHTC.2017.7926204

A. G. Correa-Mena, L. González, L. Quintero-Rodríguez, I. Zaldívar-Huerta

引用次数: 8

Aprendiendo un nuevo idioma 学习一门新语言

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-29 DOI: 10.1109/MHTC.2017.7926199

Isaias Campos Torres, José Francisco Mijancos León, M. Martinez

引用次数: 0

Features extraction in images on finger veins with hybrid curves 混合曲线手指静脉图像的特征提取

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-29 DOI: 10.1109/MHTC.2017.7926196

Yazmin Vasquez, Carlos Beltrán, M. Gomez, Marco Flórez, J. Vázquez-González

引用次数: 5

A portable tactile display based on pin lateral traction 一种基于针侧牵引的便携式触觉显示器

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-29 DOI: 10.1109/MHTC.2017.7926195

S. Gutiérrez, R. Velázquez

引用次数: 0

Prototype for an off-grid photovoltaic system with low cost solar tracking 具有低成本太阳能跟踪的离网光伏系统原型

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-29 DOI: 10.1109/MHTC.2017.7926198

S. Gutiérrez

{"title":"Prototype for an off-grid photovoltaic system with low cost solar tracking","authors":"S. Gutiérrez","doi":"10.1109/MHTC.2017.7926198","DOIUrl":"https://doi.org/10.1109/MHTC.2017.7926198","url":null,"abstract":"Off-grid photovoltaic systems turn solar light into electricity working apart from the electrical grid. These types of systems tend to use a fixed structure with an optimal orientation for the assembly of the photovoltaic modules. Based on this concept, if it is necessary to increase the production of energy, the number of photovoltaic modules should be increased, which has an impact in the cost of the system. The present investigation explores the possibility of increasing the energy production without having to add more photovoltaic modules, through the use of a mobile solar tracking system attached to the off-grid photovoltaic system. In order for this concept to be useful, it is necessary for the tracking system to have a low cost. This article describes the practical implementation of an off-grid photovoltaic system with a low cost solar tracking system. Two design related decisions were taken in order to reduce costs: first, to implement a tracker with an only axis north-south with an optimal tilt (21° for Aguascalientes), which simplifies the mechanical design in respect to a two axis tracking; second, to divide the daily movement of the actuator in 10 steps, instead of performing a continuous movement, which simplifies the electrical control. The prototype has a monitoring system that can measure the increments in terms of solar irradiation capture in respect to a fixed structure system. The measurements of four full operational days are presented as results, as well as the prototype implementation costs table.","PeriodicalId":422068,"journal":{"name":"2017 IEEE Mexican Humanitarian Technology Conference (MHTC)","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134086920","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

Electric wheelchair module: Converting a mechanical to an electric wheelchair 电动轮椅模块:将机械轮椅转换为电动轮椅

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-29 DOI: 10.1109/MHTC.2017.7926208

Emiliano Galván, Guillermo González, Guillermo Hernández, Santiago Mañón, Hiram Ponce

引用次数: 1

Kynekilektros: An integrated system for augmenting capabilities on street trips Kynekilektros:一个增强街头旅行能力的集成系统

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-01 DOI: 10.1109/MHTC.2017.7926205

Kevin Anzures, Hugo Cazares, Alejandro Scott, Federico Soberon, Hiram Ponce

引用次数: 0

Reconfigurable lower limb exoskeleton designed for children 可重构儿童下肢外骨骼设计

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-01 DOI: 10.1109/MHTC.2017.8006420

E. Lugo-González, Pedro Ponce Cruz, Manuel Arias Montiel, Leobardo Eli Sanchez Velazco

引用次数: 0

Knee angle estimation during gait cycle through the optimization of a non-linear observer and mid-range inertial sensors 基于非线性观测器和中程惯性传感器的步态周期膝关节角估计

2017 IEEE Mexican Humanitarian Technology Conference (MHTC) Pub Date : 2017-03-01 DOI: 10.1109/MHTC.2017.8006418

Francisco Sanchez Guzman, José Fermi Guerrero Castellanos, R. C. Ambrosio Lázaro

引用次数: 0