COBEP99
UFPR
UFSM
5e 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
122 090 993
89
GENERAL INDEX
Sessions
Pages
VOLUME 1
Session 1.1: Salao Iguagu
Plenary Session
Recent Developments of High Power Converters for Industry and Traction Applications
Session 1.2: Iguacu I
3
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 SinglePhase 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 1000-3-2
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
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
Mode
155
Single Phase Active Power Filters Based on the Full-Bridge Current Source and Voltage Source
Inverters Controlled through the Sensor of the AC Mains Current
161
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
Transformer
173
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
Space Vector Modulator Implement with a Low Cost FPGA
203
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
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
Analysis of PV Buck Converter Supplied DC Motors
350
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
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
VOLUME 2