16th Seminar "Power Electronics for Photovoltaics and Battery Systems"

June 12–13, 2023 | Novotel München Messe

The 16th Seminar on Power Electronics for Photovoltaics and Battery Systems (June 12-13, 2023) addressed especially electrical engineers working in the PV sector. Specialists in hardware and control electronics gave an overview on all relevant topics of power electronics for PV. These include power optimizers and micro inverters, single- and three phase inverters, off-grid and battery inverters, feedback control systems, grid codes and measures for fire protection.

The seminar was held in English.

Venue
Novotel Messe München
Willy-Brandt-Platz 1
81829 Munich, Germany

Get your ticket

Program

Monday, June 12, 2023
9:00

Welcome Address

Prof. Dr. Bruno Burger, Senior Scientist, Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany.

9:15

"Single Phase String Inverters, Part 1"

Basic Requirements, Circuits, Efficiency, Development Trends

Prof. Dr. Bruno Burger, Fraunhofer ISE, Freiburg, Germany

10:15 COFFEE BREAK
10:45

"Single Phase String Inverters, Part 2"

Basic Requirements, Circuits, Efficiency, Development Trends

Prof. Dr. Bruno Burger, Fraunhofer ISE, Freiburg, Germany

11:45

"New Power Semiconductors"

SiC and GaN Power Transistors and Diodes, Gate Drivers, Applications and Challenges of the New Technologies

Dipl.-Ing. Andreas Hensel, Fraunhofer ISE, Freiburg, Germany

12:30 LUNCH TIME
13:30

"Solar Power Maximizers"

Active Bypass Diodes, Buck Converters, Boost Converters, Buck-Boost Converters, Challenges of Maximizers

Prof. Dr. Bruno Burger, Fraunhofer ISE, Freiburg, Germany

14:00

"Micro Inverters"

Circuits With Low Frequency and High Frequency Transformer, Transformer-Less Circuits, Challenges of Micro Inverters

Prof. Dr. Bruno Burger, Fraunhofer ISE, Freiburg, Germany

14:30

"Battery Chargers and Off-Grid Inverters"

Battery Charge Regulators: Series, Shunt and MPP-Regulators, Circuits, Trends; Off-Grid-Inverters: Requirements, Circuits, Efficiency

Prof. Dr. Bruno Burger, Fraunhofer ISE, Freiburg, Germany

15:00 COFFEE BREAK
15:30

"Three Phase String Inverters"

Basic Requirements, Circuits, Efficiency, Development Trends

Prof. Dr. Bruno Burger, Fraunhofer ISE, Freiburg, Germany

17:00 End of First Day
Tuesday, June 13, 2023
9:00

Welcome Address

Dr. Soenke Rogalla, Fraunhofer ISE, Freiburg, Germany

9:15

"Residential Grid-Connected Battery Systems"

Residential Battery Systems for PV Self-Consumption, Central Battery Systems for Grid Support, Delivery of Active and Reactive Power, Compensation of Harmonics

Cornelius Armbruster, Fraunhofer ISE, Freiburg, Germany

10:00

"Central Inverters and PV Power Plant Concepts"

Basic Requirements, Circuits, Efficiency, Reliability, Cooling, Power Plant Concepts, Development Trends, System Design of PV Power Plants

Dipl.-Ing. Felix Kulenkampff, Fraunhofer ISE, Freiburg, Germany

10:45 COFFEE BREAK
11:15

"PV System Technology"

IV-Curves, Mpp and DC Voltage Range, Temperature Behaviour, Mpp-Tracking, Ratio PV Power to Inverter Power, Losses Due to PV Oversizing, Power Limitation to 70%

Prof. Dr. Bruno Burger, Fraunhofer ISE, Freiburg, Germany

12:00

"Feedback Control Systems for Power Electronics"

Modelling of Controlled Systems, Controller Types, Cascaded Control, State Control, Control of DC/DC Converters and DC/AC Inverters, Different Types of Plls

Corentin Gasser, Fraunhofer ISE, Freiburg, Germany

12:45 LUNCH TIME
13:45

"Utility Scale Battery Systems"

Battery Types, System Concepts,Voltage Levels, Safety Aspects, Control Concepts, Development Trends

Anna Starosta

14:30

"Grid Control With Converters"

Stability Aspects in Power Grids, Grid Forming Converters, Microgrids and Interconnected Systems With High Share of Converter-Based Resources

Dr. Soenke Rogalla, Fraunhofer ISE, Freiburg, Germany

15:15 COFFEE BREAK
15:45

"Fire Safety in PV and Battery Systems"

Methods and Circuits for Arc-Fault Detection; Ground-Fault Protection; Circuits for Disconnection of Pv-Modules and Strings; Rapid System Shutdown; Safety and Transportation Requirements; Safe Operation

Dipl.-Ing. Felix Kulenkampff, Fraunhofer ISE, Freiburg, Germany

16:30

"Grid Codes for PV Inverters and Battery Systems"

International Requirements, Low Voltage Ride Through (LVRT), Inverter Efficiency, Harmonics, Measurement Results, Field Experience

Steffen Eyhorn, TestLab Power Electronics / Frauenhofer ISE, Freiburg, Germany

17:15 Q&A Session and Final Discussion
17:30 End of the Seminar
19:30 Summer BBQ, Tickets can be bought from Solar Promotion

Chairmen

Prof. Dr.-Ing. Bruno Burger

Senior Scientist
Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany

Dr.-Ing. Soenke Rogalla

Head of Department Power Electronics and Grid Integration
Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany

Speakers

Cornelius Armbruster

Head of Team - Hardware Development and Innovative Circuit Design
Fraunhofer ISE, Freiburg, Germany

Presentation:

  • Residential Grid-connected Battery Systems

Prof. Dr.-Ing. Bruno Burger

Senior Scientist
Fraunhofer ISE, Freiburg, Germany

Presentations:

  • Single Phase String Inverters
  • Solar Power Maximizers
  • Micro Inverters
  • Battery Chargers and Off-Grid Inverters
  • Three Phase String Inverters
  • PV System Technology

Steffen Eyhorn

Head of Team TestLab Power Electronics
Fraunhofer ISE, Freiburg, Germany

Presentation:

  • Grid Codes for PV Inverters and Battery Systems

Corentin Gasser

Project Manager High Power Electronics and Systems
Fraunhofer ISE, Freiburg, Germany

Presentation:

  • Feedback Control Systems for Power Electronics

Dipl.-Ing. Andreas Hensel

Head of Group High Power Electronics and Systems
Fraunhofer ISE, Freiburg, Germany

Presentation:

  • New Power Semiconductors

Dipl.-Ing. Felix Kulenkampff

Project Manager High Power Electronics and Systems
Fraunhofer ISE, Freiburg, Germany

Presentations:

  • Central Inverters and PV Power Plant Concepts
  • Fire safety in PV and Battery Systems

Dr.-Ing. Soenke Rogalla

Head of Department Power Electronics and Grid Integration
Fraunhofer ISE, Freiburg, Germany

Presentation:

  • Grid Control with Converters

M.Sc. Anna Starosta

Scientist
Institute of Electrotechnology (ETI) at Karlsruhe Institute of Technology (KIT)

Presentation:

  • Utility Scale Battery Systems

Contact

Ms Amelie Bissinger

Projektassistenz

Phone +49 7231 58598-184
Fax +49 7231 58598-28
Email bissinger@conexio-pse.de

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