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Place: Online – Time zone : CEST

Date: September 22nd – 24th – October 1st – 2nd 2020 from 9:00 am to 13:30 pm

Fee: Industry : 900€ /pers

Education : 500€ /pers

 

> Register Now

 


Objectives:

 

The AC-DC front-end converter is a critical element in electric-vehicle battery chargers, motor drives, power supplies, aerospace active rectifiers, variable speed diesel generators, etc.

The main objective of this course is to study theoretical aspects and practical aspects of the design of power factor correction (PFC) converters. This type of AC/DC rectifiers have to comply with strict specifications regarding the current harmonics injected to the grid, and more recently with some other Grid-Codes requirements.

The course is designed to provide fundamental knowledge about the design of the power stage (semiconductors, inductors, EMI filters and capacitors selection) and the control system (analog and digital). Regarding the control system, it will be covered from basic analog IC controllers (CCM and BCM) to sophisticated System on Chip (SoC-FPGA) implementation.

This training covers the basis of each topic but it can be considered as mid-level to high-level course focused in the following specific objectives:

Power stage design

Control design

 

Audience description:

 

The e-training course is recommended to everybody interested in the theoretical and practical design aspects of the power stage and analog / digital control applied to the main PFC applications:

Methodology:

The explanations are focused on the concepts and physical meaning. Mathematical developments are also included as reference materials in annexes.

Controller design using SmartCtrl + PSIM simulation to test the results.

A large number of examples are used to show training explanations.

Exercises are proposed to be developed by the audience during the training.

SmartCtrl files and PSIM files are provided in advance to develop efficiently the examples and exercises.


Training information:

 

Program

22 September, 2020

24 September, 2020

9.00 – 10.00 AM

  • SECTION 1: General Aspects
    • Five basic concepts
    • AC/DC conversion requirement and specifications
    • Single-phase topologies and Applications
    • Three-phase topologies and Applications

10.00 – 11.00 AM

  • SECTION 2a: Power stage design
    • Local and global average and rms magnitudes
    • Power losses calculations
    • Boundary Conduction Mode design
    • Continuous Conduction Mode design
    • Capacitor Selection
    • Semiconductor Selection

15min Break

11.5 AM – 13.15 PM

  • Section 2b: Inductor design

    • Basic concepts of magnetism
    • Constructive elements of the magnetic components
    • Cores materials and geometries
    • Winding Types and material
    • Design of grapped inductors
    • Design of Iron Powder Inductors

9.00 – 10.00 AM

  • SECTION 2c: PFC EMI filter Design
    • Design Process
    • BCM and CCM Boost converter comparison
    • 3-phase LISN and EMI Filters

15min Break at 12 PM

10.00 AM – 13.15 PM

  • SECTION 3: Modeling and control of single-phase PFC
    • Basic control structures
    • Modeling the CCM current loop
    • Requirements of the current loop
    • Modeling the CCM voltage loop
    • Multiplier control with UC 3854
    • Modeling the BCM voltage loop
    • BCM control with L6561
    • Crossover and cusp distortion
    • Converter – EMI filter interaction
    • The digital current loop
    • Digital control of a bridgeles interleaved totem pole
    • Signe-phase Vienna Rectifier

 

 

1 October, 2020

2 October, 2020

9.00 AM – 13.00 PM

  • SECTION 4a: Three-Phase Boost PFC
    • Introduction
    • Current control in stationary reference frame
    • Alfa-Beta control structure
    • Alfa-Beta current control modeling
    • Alfa-Beta current control design
    • dq current control
    • Grid synchronization
    • Voltage control modeling
    • Voltage control design
    • Simulation results
    • Compensating the EMI filter phase delay

15min Break at 12 PM

9.00 – 11.00 AM

  • SECTION 4b: Three-phase Vienna rectifier
    • Introduction
    • Fundamentals and possible implementations
    • Modulator
    • Current control modeling and design
    • Voltage control modeling and design
    • Simulation results

15min Break at 11 AM

11.15 – 12.15 PM

  • SECTION 4c: Three-phase Buck rectifier
    • System overview
    • PSIM Simulation
    • Experiment set-up
    • Adjustment & Parameterization
    • VSI Control
    • PFC Control
    • Use case: System response to Ti variation

12.15 – 13.15 PM

  • Section 5: Selection of the digital platform for control implementation
    • Algorithm and control functions revision
    • DSP / DSP+ FPGA
    • SoC
    • Example of 3-Pf VSI – PFC control using SoC Platform
    • Example of Easy Industrialized Solutions based on SoC Technology

 

> Register Now

 

Instructor

Antonio Lázaro was born in Madrid, Spain, in 1968. He received the M. Sc. in electrical engineering from the Universidad Politécnica de Madrid, Spain, in 1995. He received the Ph. D. in Electrical Engineering from the Universidad Carlos III de Madrid in 2003.

He has been an Assistant Professor of the Universidad Carlos III de Madrid since 1995. He has been involved in power electronics since 1994, participating in more than 80 research and development projects for industry. He holds 10 patents and software registrations and he has published nearly 140 papers in IEEE journals & conferences. His research interests are high-power DC-DC Converters, Power Factor Correction (PFC) Rectifiers, AC-DC inverters (railway and grid-connected applications), modeling and control of switching converters and digital control techniques.

Dr. Lazaro has originated and leaded the development of the Software SmartCtrl. He is the co-founder and technical director of Power Smart Control S.L. a spin-off company of Carlos III University of Madrid focused on the development of SmartCtrl and hardware high added-value control solutions for power electronics (SoC-FPGA control, HIL systems, real-time FPGA variable logging, automatic test-benches, etc.).


General conditions for PSIM Training

Please register as early as possible if you plan to attend this e-training. As soon as the minimum of participants is reached, POWERSYS will confirm the course.

Cancellation can be made according to POWERSYS’ General Conditions: In case you cannot attend the workshop after having registred, please contact us as soon as possible at marketing@powersys.fr Please note that POWERSYS will not reimburse any expenses if the e-training is not confirmed. We recommend you to make your arrangements once the e-Training is confirmed.

For French participants: POWERSYS est enregistré en tant que prestataire de formation (auprès du Préfet de la Région Provence-Alpes-Côte d’Azur sous le numéro 93 13 13256 13). Une convention de formation peut être établie sur demande avant la date de formation.


Contact for any additional information: Please feel free to contact us for any further information marketing@powersys.fr

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