Analysis and design of a Forward Converter by EV2. C. Arboy et B. Cousin-PROJET DE FIN D’ETUDES GENIE ENERGETIQUE-Universidade Federal de Santa Catarina. Instituto de Eletrônica de Potência

 Analysis and design of a Forward Converter.

 Students : EV2. C. Arboy et B. Cousin, EN 2006 

Type of report : Rapport de Projet de Fin d’Etude (PFE) 

University : Federal University of Santa Catarina (UFSC) Power Electronic Engineering Department (INEP) 

Project chief : Ivo Barbi, Professor in Power Electronics Institute at the UFSC

ABSTRACT 

Our project consists in the study, the design and the realization of a Forward converter. The design of a forward converter demands great precision when calculating the different parameters and restrictions that will have to be applied when conceiving the model. The first step was the understanding of the forward converter in order to know the main parameters needed and the different mathematical equations for the choice of the different components of the forward. The use of the software PSIM completes this work for the comprehension,the collection of different values and for the checking of the circuit calculations. Once this had been done it was possible to proceed to the construction and to the test the forward converter in the laboratory. These different tests allowed us to validate the performed design and simulations. Then we have controlled the output voltage of the forward converter with a feedback control circuit in order to assure the optimal function of the forward and automatic control of the different parameters.

RESUME Ce projet a pour but l’étude et la réalisation complète d’un convertisseur Forward s’inscrivant dans un cahier des charges bien précis afin d’être tester. Un travail préliminaire portant sur l’étude qualitatives du convertisseur permet de dégager les nombreux paramètres qu’il sera nécessaire de surveiller ainsi que d’obtenir les différentes équations mathématiques utiles pour dimensionner les éléments constitutif du convertisseur. La simulation par outil informatique vient compléter cette démarche amont et nous aide ainsi à accéder à des résultats qu’il convient de confronter une fois le prototype réaliser. Ensuite le convertisseur une fois dimensionner, en ayant respecté au maximum le cahier des charges est construit puis testé. Ces différents tests nous permettent de valider notre convertisseur et les simulations effectuées. Enfin l’intégration dans une chaine de contrôle permet d’asservir le convertisseur tout en assurant un fonctionnement optimal de ce dernier et le contrôle des différents paramètres.

VIEW FULL TEXT: https://www.mediafire.com/file/l8fv816xqzvk8eq/Relatório+-+ANALYSIS+AND+DESIGN+OF+A+FORWARD+CONVERTER+(1).pdf/file

CONVERSOR PUSH-PULL ALIMENTADO EM CORRENTE-CURRENT-FED PUSH PULL CONVERTER

                                                    FIGURA 1

CONVERSOR PUSH-PULL ALIMENTADO EM CORRENTE-CURRENT-FED PUSH PULL CONVERTER

A Figura 1 mostra o conversor push pull alimentado em corrente, onde o comando das chaves ´e realizado com frequencia de chaveamento constante e razâo ciclica variavel. O conversor opera em modo de condução contınua, onde a tensâo de entrada CC em conjunto com o indutor de entrada formam uma fonte de corrente.

UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS La historia de Aldair Escobar Gutiérrez, el capitán de Selección de Taekwondo UNMSM-INGENIERIA ELECTRONICA-LIMA-PERU

REPORTAJE DE RTV DE LA UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS -FACULTAD DE INGENIERIA ELECTRONICA sobre la historia de Aldair Escobar Gutiérrez, el capitán de Selección de Taekwondo UNMSM-INGENIERIA ELECTRONICA-LIMA-PERU.

Robust Control of a Multi-phase Interleaved Boost Converter for Photovoltaic Application using μ-Synthesis Approach-by Badur Mueedh Alharbi University of Arkansas, Fayetteville

 

Robust Control of a Multi-phase Interleaved Boost Converter for Photovoltaic Application using μ-Synthesis Approach 

A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Engineering with a concentration in Electrical Engineering 

by Badur Mueedh Alharbi University of Arkansas Master of Science in Electrical Engineering, 2020 December 2020 University of Arkansas 

 ABSTRACT

 The high demand of energy efficiency has led to the development power converter topologies and control system designs within the field of power electronics. Recent advances of interleaved boost converters have showed improved features between the power conversion topologies in several aspects, including power quality, efficiency, sustainability and reliability. Interleaved boost converter with multi-phase technique for PV system is an attractive area for distributed power generation. During load variation or power supply changes due to the weather changes the output voltage requires a robust control to maintain stable and perform robustness. Connecting converters in series and parallel have the advantages of modularity, scalability, reliability, distributed location of capacitors which make it favorable in industrial applications. In this dissertation, a design of μ-synthesis controller is proposed to address the design specification of multi-phase interleaved boost converter at several power applications. This thesis contributes to the ongoing research on the IBC topology by proposing the modeling, applications uses and control techniques to the stability challenges. The research proposes a new strategy of robust control applied to a non-isolated DC/DC interleaved boost converter with a high step voltage ratio as multi-phase, multi-stage which is favorable for PV applications. The proposed controller is designed based on μ-synthesis technique to approach a high regulated output voltage, better efficiency, gain a fast regulation response against disturbance and load variation with a better dynamic performance and achieve robustness. The controller has been simulated using MATLAB/Simulink software and validated through experimental results which show the effectiveness and the robustness.

VIEW FULL TEXT:https://scholarworks.uark.edu/cgi/viewcontent.cgi?article=5483&context=etd

태양전지 및 연료전지용 소용량 하이브리드 인버터 설계 및 구현 Design and Implementation of Hybrid Small-Sized Power Inverter for PV and Fuel Cell

태양전지 및 연료전지용 소용량 하이브리드 인버터 설계 및 구현 Design and Implementation of Hybrid Small-Sized Power Inverter for PV and Fuel Cell 指導敎授崔宙燁 이 論文을 工學博士學位請求論文으로 提出함 

 Design and implementation of small-capacity hybrid inverters for solar cells and fuel cells

 Author Jo Sang-yoon 

http://www.riss.kr/link?id=T15112929

Seoul: Kwangwoon University Graduate School, 2019 

 Dissertation Thesis (Doctoral)-- Kwangwoon University Graduate School: Department of Electrical Engineering 2019.2 Year of issue 2019 2018年12月7日

 ABSTRACT

 Design and Implementation of Hybrid Small-Sized Power Inverter for PV and Fuel Cell As a major source of power for robots and drones that emerged as key elements of the Fourth Industrial Revolution era, solar cells, fuel cells, and lithium-ion batteries are receiving spotlight as batteries that can produce high power for long periods of time. Especially, the global market for solar cells and fuel cells is expanding as new and renewable energy sources. While inverter demand is essential for efficient operation of batteries and studies of high-quality inverter technologies such as solar energy, energy storage devices such as robots, drones, etc. As hybrid technologies that supplement solar energy and fuel cells in battery power are commercialized in the U.S., including Japan, it is imperative to study new power converters and control technologies that add green power to secondary batteries. The purpose of this paper is to design and implement a small-capacity hybrid inverter system for solar cells and fuel cells that efficiently operate robots and controllers, communications and various mission equipment by merging solar cells, fuel cells and lithium-ion batteries. To this end, the electrical model for solar cells, fuel cells and lithium-ion batteries is first established and the architecture of the hybrid inverter system is proposed based on these models. After each component has been designed and verified, the entire system is verified and finally the proposed smallcapacity hybrid inverter system is demonstrated by mounting the actual robot's power system. This paper proposes the structure and function of hybrid inverter systems by establishing an electrical equivalent linear model, understanding the power characteristics of solar cells, fuel cells and lithium-ion batteries with different principles of energy generation. Each module proposes a new method of impedance matching maximum power point tracking control technology that is essential to the design of the buck converter for solar cells and fuel cells. It also designs an interleaved, bidirectional DC-DC converter with a high-passing ratio for optimal charging of lithium-ion batteries and proposes an efficiency analysis method in the multiplier mode. In addition, it proposes a two-way DC-DC converter that simultaneously takes into account efficiency and stability. The proposed hybrid inverter system is implemented as a small-capacity hybrid interver system for solar cells and fuel-cells by proving its effectiveness through simulation and practical experiments at the module and system level and by applying it to actual mobile robots. In conclusion, the research proposed a small hybrid inverter system for solar cells and fuel cells provides power conversion solutions suitable for robots, drones, wearable devices, and mobile electronics. Futhermore, Combined with other energy storage devices other than lithium-ion batteries, it is also able to be applied as a power converter for large capacity ESS. Therefore, it presents the possibility of independent products as modules and system technologies for low-cost, long-term, and high-power inverter technologies in the future renewable energy sector.

LINK: http://www.riss.kr/search/detail/DetailView.do?p_mat_type=be54d9b8bc7cdb09&control_no=513893263f37c12effe0bdc3ef48d419&keyword=HYBRID%20INVERTER