Search results for: C.A. Canesin

Items from 1 to 20 out of 26 results

article

Single-phase high power factor hybrid rectifier suitable for high-power applications

G.B. Lima, A.P. Finazzi, L.C. Freitas, J.B. Vieira, more

IET Power Electronics > 2012 > 5 > 7 > 1137 - 1146

The study presents the development and the experimental analysis of a new single-phase hybrid rectifier with high power factor (HPF) and low harmonic distortion of current (THD_I), suitable for high-power application. The proposed structure is composed by an ordinary single-phase diode rectifier with parallel connection of a switched converter. It is demonstrated that the switched converter is capable...

article

Automatic dimming multi-lamp fluorescent management system with active input power factor corrector stage

M.A.G. Brito, C.S. Ferreira, L.P. Sampaio, C.A. Canesin

IET Power Electronics > 2012 > 5 > 4 > 410 - 418

This study presents the development and implementation of an automatic multi-lamp lighting fluorescent system, based on electronic ballasts with capacity of ideal programmable preheating and dimming capabilities, and digital average current mode control for the active input power factor corrector stage. Furthermore, the proposed system allows remote monitoring and management through a friendly software...

chapter

Power electronics courses for the new paradigms of the electrical system

J. A. Pomilio, C.A. Canesin, F. L. M. Antunes, F. S. dos Reis, more

XI Brazilian Power Electronics Conference > 1027 - 1031

2011 Brazilian Power Electronics Conference (COBEP 2011)

This paper presents a historical perspective of the Power Electronics education that has lead to the present situation in which such technology is indispensable for the exploitation of almost all type of clean energy primary sources. Some academic initiatives in Brazil are here discussed focusing the institutions grouped in a CAPES-Pró-Engenharia program. The curricula aspects and innovations are...

chapter

Proposal of a hybrid rectifier structure with HPF and low THD suitable for front-end trolleybuses systems supplied by AC distribution networks

L.C.G. Freitas, G.B. Lima, F.A.S. Goncalves, G.A. Melo, more

2009 IEEE Energy Conversion Congress and Exposition > 451 - 458

2009 IEEE Energy Conversion Congress and Exposition (ECCE 2009)

This paper presents the development and the experimental analysis of a new single-phase hybrid rectifier structure with high power factor (PF) and low harmonic distortion of current (THD_I), suitable for application in traction systems of electrical vehicles pulled by electrical motors (trolleybus), which are powered by urban distribution network. This front-end rectifier structure is capable of providing...

chapter

A novel single-phase HPF hybrid rectifier suitable for front-end trolleybus systems

L.C.G. Freitas, G.B. Lima, F.A.S. Gonalves, G.A. Melo, more

2009 Brazilian Power Electronics Conference > 619 - 626

2009 Brazilian Power Electronics Conference. COBEP 2009

This paper proposal presents the development and the experimental analysis of a new single-phase hybrid rectifier structure with high power factor (PF) and low harmonic distortion of current (THD_I), suitable for application in traction systems of electrical vehicles pulled by electrical motors (trolleybus), which are powered by urban distribution network. This front-end rectifier structure is capable...

chapter

Modeling approach based on experimental results for prediction of measurement errors in energy meters

F.A.S. Goncalves, C.A. Canesin, J.O.P. Pinto, L. Galotto, more

2009 Brazilian Power Electronics Conference > 1255 - 1261

2009 Brazilian Power Electronics Conference. COBEP 2009

This paper presents a general modeling approach to investigate and to predict measurement errors in active energy meters both induction and electronic types. The measurement error modeling is based on generalized additive model (GAM), ridge regression method and experimental results of meter provided by a measurement system. The measurement system provides a database of 26 pairs of test waveforms...

chapter

Interactive DC-DC converters tools for instant design and education

F.A.S. Gonalves, L.P. Sampaio, C.A. Canesin

2009 Brazilian Power Electronics Conference > 1074 - 1081

2009 Brazilian Power Electronics Conference. COBEP 2009

This paper deals with the usage of interactive simulations tools to serve as an oriented design tool for the lectures and laboratory experiments in the power electronics courses. A dynamic and interactive visualization of simulations for idealized converters in steady state are provided by the proposed educational tools, allowing students to acquire qualification in non-isolated DC-DC converters,...

chapter

Non-linear controller applied to boost DC-DC converters using the state space average model

L. Galotto, C.A. Canesin, R. Cordero, C.A. Quevedo, more

2009 Brazilian Power Electronics Conference > 733 - 740

2009 Brazilian Power Electronics Conference. COBEP 2009

This work aims to present a methodology to use the large signal state space average model of the DC-DC converters for high performance controllers design. The design using classic control theories need the SISO transfer function. Often, these functions are obtained using linearization around the point of operation. It reduces the range of operation to the designed controller with the expected performance...

chapter

HPF boost interleaved operating in discontinuous conduction mode for trolleybus application

F.A.S. Goncalves, C.A. Canesin, G.A. Melo, L.C.G. de Freitas

2009 Brazilian Power Electronics Conference > 648 - 654

2009 Brazilian Power Electronics Conference. COBEP 2009

This paper deals with results of a research and development (R&D) project in cooperation with Electric Power Distribution Company in Sa??o Paulo (Brazil) regarding the development and experimental analysis of a new concept of power drive system suitable for application in traction systems of electrical vehicles pulled by electrical motors, which can be powered by urban DC or AC distribution networks...

chapter

DCM Boost interleaved converter for operation in AC and DC to trolleybus application

C.A. Canesin, F.A.S. Goncalves, G.A. Melo, L.C.G. de Freitas

2009 13th European Conference on Power Electronics and Applications > 1 - 10

2009 13th European Conference on Power Electronics and Applications (EPE)

This paper is based on the development and experimental analysis of a DCM Boost interleaved converter suitable for application in traction systems of electrical vehicles pulled by electrical motors (Trolleybus), which are powered by urban DC or AC distribution networks. This front-end structure is capable of providing significant improvements in trolleybuses systems and in the urban distribution network...

chapter

Simulation tools of DC-DC converters for power electronics education

C.A. Canesin, F.A.S. Goncalves, L.P. Sampaio

2009 13th European Conference on Power Electronics and Applications > 1 - 10

2009 13th European Conference on Power Electronics and Applications (EPE)

This paper presents interactive simulation tools to support the enhancement of power electronics education considering DC to DC converters. These interactive tools make use of the benefits of Java language to provide a dynamic and interactive visualization of simulations in steady-state for idealized non-isolated DC to DC converters. Additionally, this paper discusses the features and the usage of...

chapter

Variable speed refrigeration system with HPF input rectifier stage

C.A. Canesin, F.A.S. Goncalves, E. Leandro, J.O.P. Pinto

2008 International Symposium on Power Electronics, Electrical Drives, Automation and Motion > 848 - 853

2008 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)

This paper is based on the analysis and implementation of a new drive system applied to refrigeration systems, complying with the restrictions imposed by the IEC standards (Harmonic/Flicker/EMI-Electromagnetic Interference restrictions), in order to obtain high efficiency, high power factor, reduced harmonic distortion in the input current and reduced electromagnetic interference, with excellent performance...

chapter

A true programmable HPF hybrid three-phase rectifier

J.de O. Soares, C.A. Canesin, L.C. de Freitas

2008 IEEE Power Electronics Specialists Conference > 3843 - 3849

2008 IEEE Power Electronics Specialists Conference

In this paper is proposed and analyzed a digital hysteresis modulation using a FPGA (field programmable gate array) device and VHDL (hardware description language), applied at a hybrid three-phase rectifier with almost unitary input power factor, composed by parallel SEPIC controlled single-phase rectifiers connected to each leg of a standard 6-pulses uncontrolled diode rectifier. The digital control...

chapter

Hybrid three-phase hpf rectifier with programmable input current THD, using FPGA device and VHDL language

J.O. Soares, C.A. Canesin, L.C. de Freitas

2007 7th Internatonal Conference on Power Electronics > 420 - 425

2007 7th Internatonal Conference on Power Electronics (ICPE)

In this paper is proposed and analyzed a digital hysteresis modulation using a FPGA (Field Programmable Gate Array) device and VHDL (Hardware Description Language), applied at a hybrid three-phase rectifier with almost unitary input power factor, composed by parallel SEPIC controlled single-phase rectifiers connected to each leg of a standard 6-pulses uncontrolled diode rectifier. The digital control...

article

Electronic ballast for multiple fluorescent lamp systems

F.T. Wakabayashi, C.A. Canesin

IET Electric Power Applications > 2007 > 1 > 1 > 49 - 58

An electronic ballast for multiple tubular fluorescent lamp systems is presented. The proposed structure has a high value for the power factor, a dimming capability, and soft switching of the semiconductor devices operated at high frequencies. A zero-current switching pulse width modulated SEPIC converter is used as the rectifying stage and it is controlled using the instantaneous average input current...

article

Performance Evaluation of a Novel Hybrid Multipulse Rectifier for Utility Interface of Power Electronic Converters

L.C. Gomes de Freitas, M.G. Simoes, C.A. Canesin, L.C. de Freitas

IEEE Transactions on Industrial Electronics > 2007 > 54 > 6 > 3030 - 3041

This paper presents an improved analysis of a novel programmable power-factor-corrected-based hybrid multipulse power rectifier (PFC-HMPR) for utility interface of power electronic converters. The proposed hybrid multipulse rectifier is composed of an ordinary three-phase six-pulse diode-bridge rectifier (Graetz bridge) with a parallel connection of single-phase switched converters in each three-phase...

article

Model for Electrodes' Filaments of Hot Cathode Fluorescent Lamps, During Preheating With Constant rms Current

F.T. Wakabayashi, C.S. Ferreira, M.A.G. de Brito, C.A. Canesin

IEEE Transactions on Power Electronics > 2007 > 22 > 3-Special Section on Lighting Applications > 719 - 726

This paper presents a new model for the representation of electrodes' filaments of hot-cathode fluorescent lamps, during preheating processes based on the injection of currents with constant root mean square (rms) values. The main improvement obtained with this model is the prediction of the R_h/R_c ratio during the preheating process, as a function of the preheating time and of the rms current injected...

article

Setting the Preheating and Steady-State Operation of Electronic Ballasts, Considering Electrodes of Hot-Cathode Fluorescent Lamps

F.T. Wakabayashi, M.A.G. de Brito, C.S. Ferreira, C.A. Canesin

IEEE Transactions on Power Electronics > 2007 > 22 > 3-Special Section on Lighting Applications > 899 - 911

This paper presents a new methodology for the adjustment of the preheating process and steady-state operation of electronic ballasts intended for hot-cathode fluorescent lamps. The classical series-resonant parallel-loaded half-bridge inverter is the power stage analyzed in this paper. In addition, the preheating process is based on the imposition of a constant rms current through the electrodes,...

chapter

Setting the Preheating Process of Electronic Ballasts for Hot-Cathode Fluorescent Lamps, considering the Rh/Rc Ratio

F.T. Wakabayashi, M.A.G. de Brito, C.S. Ferreira, C.A. Canesin

IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics > 2396 - 2401

IECON 2006. 32nd Annual Conference on IEEE Industrial Electronics

This paper presents a new model for the representation of the electrodes filaments of fluorescent lamps, during their preheating, and an analysis capable to guide the design of the preheating process in electronic ballasts. The main improvement obtained with the lamp model is the accurate theoretical reproduction of the behavior of the R_h/R_c ratio during the preheating process. In addition, using...

chapter

A Multi-Cell Variable Frequency Interleaved ZCS Boost Rectifier Digitally Controlled by FPGA

C.A. Canesin, F.A.S. Goncalves

2006 IEEE International Symposium on Industrial Electronics > 2 > 1382 - 1387

2006 IEEE International Symposium on Industrial Electronics

This paper presents a multi-cell single-phase high power factor boost rectifier in interleave connection, operating in critical conduction mode, employing a soft-switching technique, and controlled by field programmable gate array (FPGA). The soft-switching technique is based on zero-current-switching (ZCS) cells, providing ZC (zero-current) turn-on and ZCZV (zero-current-zero-voltage) turn-off for...

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Search results for: C.A. Canesin

Single-phase high power factor hybrid rectifier suitable for high-power applications

Automatic dimming multi-lamp fluorescent management system with active input power factor corrector stage

Power electronics courses for the new paradigms of the electrical system

Proposal of a hybrid rectifier structure with HPF and low THD suitable for front-end trolleybuses systems supplied by AC distribution networks

A novel single-phase HPF hybrid rectifier suitable for front-end trolleybus systems

Modeling approach based on experimental results for prediction of measurement errors in energy meters

Interactive DC-DC converters tools for instant design and education

Non-linear controller applied to boost DC-DC converters using the state space average model

HPF boost interleaved operating in discontinuous conduction mode for trolleybus application

DCM Boost interleaved converter for operation in AC and DC to trolleybus application

Simulation tools of DC-DC converters for power electronics education

Variable speed refrigeration system with HPF input rectifier stage

A true programmable HPF hybrid three-phase rectifier

Hybrid three-phase hpf rectifier with programmable input current THD, using FPGA device and VHDL language

Electronic ballast for multiple fluorescent lamp systems

Performance Evaluation of a Novel Hybrid Multipulse Rectifier for Utility Interface of Power Electronic Converters

Model for Electrodes' Filaments of Hot Cathode Fluorescent Lamps, During Preheating With Constant rms Current

Setting the Preheating and Steady-State Operation of Electronic Ballasts, Considering Electrodes of Hot-Cathode Fluorescent Lamps

Setting the Preheating Process of Electronic Ballasts for Hot-Cathode Fluorescent Lamps, considering the Rh/Rc Ratio

A Multi-Cell Variable Frequency Interleaved ZCS Boost Rectifier Digitally Controlled by FPGA

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