AUTOR DO BLOG ENG.ARMANDO CAVERO MIRANDA SÃO PAULO BRASIL

"OBRIGADO DEUS PELA VIDA,PELA MINHA FAMILIA,PELO TRABALHO,PELO PÃO DE CADA DIA,PROTEGENOS DO MAL"

"OBRIGADO DEUS PELA VIDA,PELA MINHA FAMILIA,PELO TRABALHO,PELO PÃO DE CADA DIA,PROTEGENOS  DO MAL"

“SE SEUS PROJETOS FOREM PARA UM ANO,SEMEIE O GRÂO.SE FOREM PARA DEZ ANOS,PLANTE UMA ÁRVORE.SE FOREM PARA CEM ANOS,EDUQUE O POVO.”

“Sixty years ago I knew everything; now I know nothing; education is a progressive discovery of our own ignorance. Will Durant”

https://picasion.com/
https://picasion.com/

segunda-feira, 29 de julho de 2019

Introduction to Aerospace SATELLITES KOREA AEROSPACE UNIVERSITY



Satellites and space It learns the principles, history, and kinds of satellites and learns about our space technology in general as well.



quinta-feira, 25 de julho de 2019

VISITA A FIEE 2019 – FEIRA INTERNACIONAL DA INDÚSTRIA ELÉTRICA, ELETRÔNICA, ENERGIA E AUTOMAÇÃO-SÃO PAULO-BRASIL

COM PROF. ENG. HILTON MORENO DIRETOR DA REVISTA POTENCIA UMA REFERENCIA DA ENGENHARIA ELÉTRICA NO BRASIL.

COM MEUS CAROS AMIGOS PROF. ENG. GUSTAVO BRANCO (GRID POWER SOLUTIONS)
E SR. LUIS SALAS TORRES( EZATEC DISTRIBUIDOR EMPRESA KUNG LONG BATTERY)

COM MEUS CAROS AMIGOS E COLEGAS ENG. GUSTAVO BRANCO E ENG. GEAN

SEMINARIO FIEE











A FIEE, Feira Internacional da Indústria Elétrica, Eletrônica, Energia e Automação, agora em sua 30ª edição, é um evento que ajuda a promover a indústria elétrica, eletrônica, energia e automação, e o desenvolvimento de novas tecnologias e tendências do setor.

 Realiza-se no maior centro de exposições na América Latina, em São Paulo, numa superfície assim dividida: 90.000 m2 de área de exposição + 10.000 m2 de Convention Center, de 23 a 26 julho 2019.

 Os setores envolvidos na feira são: Automação: automação, nanotecnologia, robótica Eletrônica: Electronic Equipment, segurança eletrônica, telecomunicações, manufatura eletrônica (sistemas de montagem e subsistemas) Equipamento industrial: Equipamentos, máquinas e instalações industriais GTDC – Geração, Transmissão, Distribuição e Comercialização de Energia

sábado, 20 de julho de 2019

Electronic Circuits Doris Kim, Soongsil University


Electronic Circuits Doris Kim, Soongsil University 3. AC circuit analysis: Various bridge circuits 4. Structure of transformers: Mutual inductance, transformer ratio, and practical transformers. AC Circuit Analysis Part 2

 This is an introductory course on the basics of electronic circuits. The covered subjects are DC and AC circuits, diodes, semiconductors, and transistors. The students are required to become familiear with electronic circuits and their roles in modern experimental instruments. Since this is not an engineering course, theoretical or analytical details on electronic circuits will not be covered. Instead, basic concepts of circuit elements and practical methods on how to build electronic circuits will be emphasized.

quinta-feira, 18 de julho de 2019

Design for Reliability of Power Electronics for Grid-Connected Photovoltaic Systems Yongheng Yang, Ariya Sangwongwanich, Frede Blaabjerg




Design for Reliability of Power Electronics for Grid-Connected Photovoltaic Systems Yongheng Yang, Ariya Sangwongwanich, Frede Blaabjerg 

 Abstract—Power electronics is the enabling technology for optimizing energy harvesting from renewable systems like Photovoltaic (PV) and wind power systems, and also for interfacing grid-friendly energy systems. Advancements in the power semiconductor technology (e.g., wide band-gap devices) have pushed the conversion efficiency of power electronics to above 98%, where however the reliability of power electronics is becoming of high concern. Therefore, it is important to design for reliable power electronic systems to lower the risks of many failures during operation; otherwise will increase the cost for maintenance and reputation, thus affecting the cost of PV energy. Today’s PV power conversion applications require the power electronic systems with low failure rates during a service life of 20 years or even more. To achieve so, it is vital to know the main life-limiting factors of power electronic systems as well as to design for high reliability at an early stage. Knowhow of the loading in power electronics in harsh operating environments (e.g., fluctuating ambient temperature and solar irradiance) is important for life-time prediction, as the prerequisite of Design for Reliability (DfR). Hence, in this paper, the technological challenges in DfR of power electronics for grid-connected PV systems will be addressed, where how the power converters are stressed considering real-field mission profiles. Furthermore, the DfR technology will be systematically exemplified on practical power electronic systems (i.e., gridconnected PV systems). Index Terms—Reliability, design for reliability, power electronics, physics of failure, mission profiles, thermal loading, degradation, Monte Carlo method, photovoltaic systems.
LINK
https://vbn.aau.dk/ws/portalfiles/portal/250508960/Yongheng_Yang_CPSS_Transactions_on_Power_Electronics_and_Applications_CPSS_TPEA_vol.....pdf

terça-feira, 16 de julho de 2019

Oscilloscope measurements in power electronics: II. Differential probe - Prof. Sam Ben-Yaakov


Prof. Sam Ben-Yaakov is the Chief Scientist Officer, Director, and co-founder of Green Power Technologies Ltd. He brings to the Company his entrepreneurial experience in theoretical and practical Power Electronics and analog electronic circuits and systems. Prof. Sam Ben-Yaakov serves as a professor and a researcher in the Department of Electrical and Computer Engineering, Ben-Gurion University, Israel. For several years Prof. Ben-Yaakov served as the Chairman and Head of Institute of Electronics of the Ben-Gurion University. In addition he is a well-known consultant to many companies worldwide.