This paper presents a study of the Switched Reluctance Generator dynamics when connected to three-phase AC power grid. A mathematical model that includes magnetic saturation is used represent reluctance generator, which driven by an asymmetric half bridge converter. Output generated voltage smoothed with shunt capacitor leading DC link voltage. regulated using PI compensator governs magnetizing angle generator phases. It shown introducing freewheeling stage between and demagnetizing states...

This paper reports on a Switched Reluctance Machine (SRM) operating as generator excited through external power source. device provides DC voltage output its converter. Parameters such rotor speed, excitation and firing angles interferes directly the voltage. Thus, many strategies have been studied developed by scientific community in order to control or achieve maximization. work proposes driving strategy applied SRM that consists obtaining optimal maximize for given speed excitation....

This paper presents the analysis and mathematical modeling of synchronous reluctance motor, with state equations results obtained for a 4 pole motor (2 hp), considering framework direct axis quadrature to rotor behavior obtain time values steady electromagnetic torque. It is also observed voltage current in stator way estimate power factor relation inductances.

This paper presents a study on the behavior of self-excited switched reluctance generator (SSRG). Following an extensive bibliographic review about SSRGs, mathematical model, principle operation and simulation results dynamics is presented. A capacitor partially charged, in parallel with load used as mean to provide necessary amount magnetic flux start generator's voltage built up. The arrangement such that generated current delivered D.C. mode. To correctly represent self excitation model...

This paper presents a switched reluctance machine (SRM) modeling including core magnetic saturation. The self-excited operation mode generator (SRG) as example application. In addition, following an extensive bibliographic review about (SSRG), the mathematical model, principle of and simulation results dynamics is presented. To correctly represent self excitation model must take into account saturation, that observed here. Experimental are included to validate discussions

This paper presents a strategy to control the terminal voltage of Switched Reluctance Generator. It is implemented using closed loop feedback that senses shunt capacitor smoothed generated at generator terminals. The error feeds PI controller in turn governs switches electronic converter used drive generator. With this approach amount energy stored winding each cycle controlled and leads directly voltage. A mathematical model considers magnetic saturation represent reluctance generator,...

This study focused on developing a sustainability project carried out in 11 Federal Institute of Education, Science, and Technology Goiás (IFG) campuses wherein energy efficiency distributed generation actions were developed. Energy consumption was optimized by retrofitting the lighting system, installing photovoltaic (PV) quantifying building efficiency, monitoring, training, qualification, focusing efficient use electric energy. We first present Brazilian legislation that regulates...

This paper presents a scheme to connect the SRG single-phase power grid for active injection. A voltage control of using PI compensator adjust magnetization angles generator phases will be shown. The is subjected variable speed operation verify effectiveness. description P+RES employed as an alternative current injection presented. electric network synchronization obtained through PLL algorithm. simulation and experimental results are presented proving suitable working at connected

This paper presents a Switched Reluctance Machine (SRM) dynamic performance analysis under some operating conditions as fault or lack of phase, different excitement voltage, speed variation. Thus, an SRM 8/6 was designed and built bench to drive it, aiming study the techniques generated voltage control for use in small wind turbine generators. The driving done through data acquisition processing system high low cost (DSP/FPGA). experimental results are shown discussed.

This article presents an experimental methodology to control the voltage generated from a switched reluctance generator (SRG) using fuzzy logic control. The is controlled by varying demagnetization angle (<;i>θ<;/i> <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">off</sub> ), maintaining magnetization xmlns:xlink="http://www.w3.org/1999/xlink">on</sub> ) fixed. developed strategy operates on upper switches of asymmetric half-bridge converter....

This paper presents a study of the Switched Reluctance Generator dynamics when connected to single-phase AC power grid. A mathematical model that includes magnetic saturation is used represent reluctance generator, which driven by an asymmetric half bridge converter. Output generated voltage smoothed with shunt capacitor leading DC link voltage. regulated using PI compensator governs magnetizing angle generator phases. It shown introducing freewheeling stage between and demagnetizing states...

This paper presents mathematical modeling and computer simulation of a synchronous reluctance motor, with the state equations results obtained for 4 pole motor (2 hp), considering d/q rotor behavior analysis retrieval time values continuous operation maximum torque.

O objetivo deste artigo é propor uma estratégia de melhoria da conversão eletromecânica energia do Gerador a Relutância Variável (GRV). Esta implementada através controle magnetização cada fase GRV. Para isto, foi utilizado um compensador tipo PI para controlar tensão na carga atuando no ângulo abertura chave superior conversor em ponte assimétrica, half-bridge (HB), o que adiciona etapa roda-livre às etapas operação conversor. No sentido verificar eficiência proposta, foram desenvolvidas...

This paper deals with switched reluctance generators. Two aspects of operation are investigated: self excitation and control terminal generated voltage. Self is attractive as it does not require external energy sources. Investigations in a excited generator ask for magnetic saturation iron core to be considered that observed the paper. A technique based on governance magnetization level machine phases voltage proposed. It incorporates strategy improve electromechanical conversion by means...

This paper deals with the Switched Reluctance Generator (SRG), working in self excitation mode, for controlled generated voltage operation variable speed environment. The inherent behavior observed is existence of high amounts reactive power circulating between machine windings and capacitors that lead to peaks phase currents. These currents, due wide excursions magnetic flux, can impose restrictions applications machine. It this amount not necessary reach given specifications voltages....

Este artigo relata resultados de uma pesquisa no contexto das possibilidades geração distribuída. Uma estratégia para injetar potência ativa na rede alimentação é discutida e testada. A energia proveniente fonte mecânica convertida em elétrica utilizando um Gerador a Relutância Variável. tensão gerada alimenta barramento CC controlada malha fechada. Um conversor CC-CA faz interface do gerador com monofásica, onde o sincronismo obtido através Phase Locked Loop (PLL). O fator unitário...

O motor a relutância variável (MRV) tem sido considerado uma alternativa viável para substituir os motores elétricos clássicos em aplicações que demandam acionamentos com velocidades variáveis. Este é robusto, dispõe de construção simples e vantagem possuir um rotor não necessita enrolamentos ou ímãs permanentes operar. Neste trabalho, MRV 8/6 tetrafásico projetado fim indução trifásico (MIT), utilizando mesma carcaça disponível. Na metodologia adotada o projeto, dados mecânicos da do MIT...

This study addresses a proposal of bench to test single-phase induction motors and switched reluctance with rated power up 1 hp. The was set so that motor tests meet requirements IEEE Std. 114-2001 the Brazilian related Standard (ABNT NBR 5383-2/2008). In addition, procedures for comprise sequential steps in order determine performance under different switching angles constant speed. measurement system is completely computer automated using virtual instrumentation based on LabVIEWtrade...

This paper presents an analysis of the performance photovoltaic (PV) systems using daily applications periodic linear regression method to indicators Final Yield (YF) and Reference (YR). The research was conducted on PV installed rooftops ground at Federal Institute Education, Science, Technology Goiás (IFG), Itumbiara Campus, from July 2022 August 2023. Energy Monitoring Management Software (SMGE) developed calculate perform analyze systems. results demonstrate that efficiency can be...