Anais Volume 1 COBEP99 UFPR UFSM

Transcription

1 COBEP99 UFPR UFSM 5 e Congresso Brasileiro de Eletronica de Potencia The 5~ Brazilian Power Electronics Conference Foz do Iguagu, Parana, Brasil 19 a 23 de setembro de 1999 Anais Volume 1 UB/TIB Hannover

2 GENERAL INDEX Sessions Pages VOLUME 1 Session 1.1: Salao Iguagu Plenary Session Recent Developments of High Power Converters for Industry and Traction Applications 3 Session 1.2: Iguacu I DC-DC Converters: Soft Switching A ZVT DC-DC Boost Converter with Reduced Auxiliary Switch Losses 19 A Family of ZVS-PWM DC-to-DC Converters for High Input Voltage Applications 25 A Quadruple ZVS-PWM Active-Clamping Forward Converter 31 A New ZVS-PWM Clapping Mode Isolated Non Pulsating Input and Output Current DC-TO-DC Converter. 37 A Forward Converter Without Commutation Losses Due to the Use of One Non-Dissipative Snubber 43 Quasi-ZVS Active Auxiliary Commutation Circuit for Two Switches Forward Converters 50 A Family of ZVS-PWM Active Clamping DC-to-DC Converters Featuring Soft Commutation in Both Active and Passive Switches 55 Session 1.3: Iguagu II Electrical Machines Control and Drives Control of a Variable Speed Induction Generator Using LQG/LTR Methodology 65 Sistemas de Geracao Monofasico com Conversao para Trifasico Usando Quantidade Reduzida de Componentes 70 Balanced Operation of Three-Phase Cage Induction Generator Directly Connected to Single- Phase Utility Grid 76 A Simple Regulators Optimization Method for a Thyristorized Controlled Synchronous 82 A Sensorless Speed Measurement Associated to Electronic Control of Asynchronous Micro Turbogenerators 88 Induction Generator Based System Providing Regulated Voltage with Constant Frequency 94 Session 1.4: Iguagu I Energy Quality Electromagnetic Compatibility For Static Converters 103 Small Signal Stability for Single Phase Inverter Connected to Stiff AC System 109 Instantaneous Evaluation of Power Quality Indexes 117 Comparison Among Line-Frequency Commutated Rectifiers Complying with IEC Standards 123 Effects of Service Quality in Low Voltage Urban Distribution Systems 129 Power Quality Analysis Based on EMTP Simulation - Harmonics Case Study 135 IX

3 Session 1.5: Iguagu II Power Factor Correction Converters 1 Single-Phase High Power Factor Variable Output Voltage Rectifier, Using The Buck+Boost Converter Control Aspects, Design and Experimentation 143 A New High Power Factor Supply Using the Bang-Bang Hysteresis Current Waveshaping Control Technique 149 A Reversible Unity Power Factor Step-Up/Step-Down AC-DC Converter Controlled By Sliding 155 Mode Single Phase Active Power Filters Based on the Full-Bridge Current Source and Voltage Source 161 Inverters Controlled through the Sensor of the AC Mains Current Sensorless Cancellation of the Low-Frequency Harmonics in DICM-PFC Boost Converters 167 Power Factor Correction: Shifting of Input 60 Hz Rectification to the Secondary of Isolation 173 Transformer Session 1.6: Salao Iguagu PWM Modulation Reduced-Loss PWM Strategy for Three Phase Voltage Type Inverters 181 A Space Vector PWM Method for Three-Level Voltage Source Inverters 187 Criteria for Implementing Space Vectors PWM Modulators Using DSP 192 Delta-H Modulator 197 Exact Modeling of Interaction between Gate Pulse Generators and Power Electronic Switches for Digital Real Time Simulator 203 Space Vector Modulator Implement with a Low Cost FPGA 209 Session 1.7: Iguagu I Rectifiers and DC-Link Converters Considerations on Pulsed DC-Link Voltage Converters 217 The 12-Pulse Multi-Level Rectifier: Commutation Aspects, Design of the Reactors and Control Strategy 224 A Design Methodology for Duty-Cycle Modulated Three-Phase Boost Rectifiers 229 Three-Phase Rectifier Unit For Telecommunication Applications Using Single-Phase Rectifier Modules 235 An Experimental Test on Factory to Determine Efficiency at Rated Load of 12 Pulses High Current Controlled Rectifiers 241 Session 1.8: Iguagu II Estimation and Identification 1 Quasi Time-Invariant Parameter Modeling of Unbalanced Induction Machines 249 A Neuro-Fuzzy Based Rotor Time Constant Identification of an Indirect Vector-Controlled Induction Motor Drive 253 Understanding Parameter Estimation in Induction Machines 259 A Linear Induction Motor Parameter Determination Method 265 A Novel Algorithm for Estimating Rotor Position and Speed in Permanent Magnet AC Drives 269 Session 2.1: Salao Iguagu Plenary Session Power Electronics Applications to emerging Computer Telecommunication systems 277

4 Session 2.2: Iguagu I DC-DC Converters Optimizing the Voltage Mode Control Loop of a Buck Converter for Point-of-Load Applications 283 PWM Control for Parallel Converters in the Current Sharing Mode 293 A Family of PWM Soft-Single-Switched Converters without Voltage and High current Stresses 298 System Filter Design Method Using the Behavioral Averaged PWM Switch Model 304 Test and Design of Switching Mode Regulators Using the Behavioral Averaged PWM Switch and a Program for Automatic Regulator Prototype Generation 309 Regulation Improvement in Double Flyback Converters 314 Study of a DC-DC Dual Channel Resonant Converter 320 Session 2.3: Iguagu II Special Applications 1 Single and Three-Phase PLL structure to Utility Connected Systems 329 Static Conversion System for Treatment of the Solar Energy and Interconnection with the Mains Power Supply 335 Automation of a Data Collection System for Photovoltaic Panels 341 A DC-AC Converter with Optimized PWM Switching Strategy for Grid-Connected PV System 346 Implementagao em PIC de Urn Controle de Fluxo de Potencia em Paineis Fotovoltaicos Baseados em Redes Neurais 350 Analysis of PV Buck Converter Supplied DC Motors 356 Session 2.4: Iguagu I Inverters and UPS A Current Controlled Inverter Using High Frequency Transformer 363 A Three-Phase Series-Parallel Compensated Line-Interactive UPS System With Sinusoidal Input Current And Sinusoidal Output Voltage 367 A Novel Non-Isolated Single Phase UPS Based on Boost Converters 374 Robust Model Reference Adaptive Control Applied to Three-Phase Uninterruptible Power Supply 380 A Repetitive Controller with Parameters Tuned a Priori by a Robust Controller 386 PWM Current- Source Converter With Deadbeat Control 391 Session 2.5: Iguagu II Power Factor Correction Converters 2 Power Factor Correction With Interleaved ZCS Boost Converters in Critical Conduction Mode 399 A New HPF ZCS-PWM Sepic Rectifiers Using Peak-Current and Average-Current Mode Controls - A Comparative Analysis 405 Single-Phase and Three-Phase Three Level AC-DC Converters with Unity Power Factor Employing a Passive Lossless Snubber 411 A New HPF-ZCS-PWM Boost Rectifier 417 High Power Factor AC-DC Line-Frequency Resonant Converter for Deeply Varying Loads 423 XI

5 VOLUME 2 Session 2.7: Iguagu I Induction Motors Control Strategy to Avoid Over-Voltages in Long Distance Driving of Induction Motors 431 Um Novo Enfoque para o Controle por Campo Orientado Direto sem Sensor de Velocidade em Maquinas de Indugao 437 Induction Motor DTC Strategy Using Discrete-Time Sliding Mode Control 442 Instability Mechanisms in Indirect field-oriented Control of Induction Motors: Mathematical Analysis 449 Acionamento da Maquina Assfncrona Utilizando Estrategias de Controle Direto de Fluxo Conjugado 455 An Automatic Setting of Soft-Starters for Induction Motors Using Fuzzy Control Techniques 461