Modeling and Simulation of Inverter Based Resources and their Controls - a four hour virtual seminar

#control-systems #dynamics #data-center #frequency-response #power #PES
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This four hour virtual seminar provides a practical introduction to the modeling and control of IBRs, covering control system concepts, real-world applications, and common instability mechanisms is provided. Participants will gain insight into modeling requirements and analysis tools used in planning and operations.

As the electric grid undergoes rapid transformation, inverter-based resources (IBRs) are playing an increasingly central role in power system performance. The accelerating deployment of renewable generation—particularly wind and solar—combined with the growing demand from large-scale data centers, is driving unprecedented levels of IBR penetration across the grid. This shift toward power electronics–dominated resources introduces new dynamics that differ fundamentally from traditional synchronous machines.

Understanding how to model, analyze, and control these resources is essential for maintaining system reliability and stability. IBRs rely on fast-acting control systems, and their interactions with the grid can introduce complex behaviors, particularly in weak system conditions or during disturbances.

This training session provides a structured and practical introduction to the modeling and control of IBRs in modern power systems. The course begins with a review of control system fundamentals, including key concepts such as transfer functions, stability analysis techniques (Bode, Root Locus, and Nyquist), and small-signal behavior. It then connects these principles to real-world power system applications, including frequency response, voltage control, and power system stabilization.

Participants will explore common instability mechanisms associated with high IBR penetration, including grid-related interactions (e.g., weak grid conditions, sub-synchronous control interactions, and harmonics), IBR-to-IBR interactions, and interactions with synchronous machines. The training also provides an overview of current industry modeling requirements, including relevant NERC reliability standards and recent regulatory developments, along with guidance on model selection and the use of both phasor-domain and EMT simulation tools.

Designed for engineers involved in system planning, operations, and interconnection studies, this session combines foundational theory with practical insights to help participants better understand and address the challenges associated with integrating IBRs into today’s evolving power systems.


  Date and Time

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  • Contact Event Host

  • Thomas Kay

    Mobile:  630-995-0776

    E-mail:  twkay60103@yahoo.com

     

  • Starts 14 April 2026 05:00 AM UTC
  • Ends 19 May 2026 05:00 AM UTC
  • Admission fee ?

  Speakers

Matt of Telos Energy

Topic:

Modeling and Simulation of Inverter Based Resources and their Controls

Matt Richwine,  Co-Founder of Telos Energy

 

Biography:

Matthew Richwine is a founding partner of Telos Energy and is an industry leader in power systems engineering, power electronic controls, and system stability. For the past ten years, he has been designing, testing, and analyzing thermal and renewable power generation equipment and studying the stability of power systems ranging from tens of megawatts to tens of gigawatts.

Matthew draws on his in-depth understanding of inverter-based resources and conventional synchronous generation equipment to model and analyze power systems to draw out meaningful conclusions and explore a large variety of mitigation measures to address challenges. He brings a passion for technology and for helping clients to understand new technologies in the context of their system.

He’s played a leadership role in industry working groups, including Vice Chair of the IEEE Renewable Energy Machines and Systems Subcommittee, contributing member of the NERC Inverter-Based Resource Performance Task Force and Power Plant Modeling and Validation Task Force, and IEEE P2800 Standard Drafting Committee on Inverter-Based Resources for Transmission Systems. As such, he’s delivered dozens of presentations, drafted reliability guidelines and written many peer-reviewed papers on renewable generation technologies, modeling, and system stability.

Prior to founding Telos Energy, Matthew worked for General Electric for ten years in its Energy Consulting department, most recently as the Senior Manager of the Renewables and Controls team. In that role, he led a team in the development of new control systems for power converters and transmission planning models for GE’s Renewables business. His experience also includes grid code compliance testing, transmission and interconnection studies for markets around the world, including North America, Ireland, UK, Australia.

Matthew holds bachelors and masters degrees from Cornell University in Electrical and Computer Engineering and Systems Engineering, where he graduated Magna Cum Laude.

He resides in Saratoga Springs, New York with his wife and son, and he enjoys catamaran sailing, skiing, and restoring his 1965 Mustang.




Agenda

  • Introduction to Control Systems (30 min)

    • Purpose and Objective of this Tutorial - focus on small-signal (v. large signal)

    • History

    • Present Day

    • FutureTrends

  • Basic Control System Theory (45 mins)

    • Transfer Functions – LaPlace refresher, Open Loop /  Closed Loop

    • Analysis - Bode, Root Locus, Nyquist, Stability Margin Metrics

  • Applications in Power Systems (50 mins)

    • Frequency Response / Speed Control

    • Voltage Control 

    • Power System Stabilization (PSS)

  • Potential Instabilities & Examples (50 mins)

    • IBR - Grid Instability (Weak grid, SSCI, Harmonic)

    • IBR - IBR Instability (Sub-Sync or SuperSync)

    • IBR - SM instability (SSTI)

  • Modeling & Requirements Overview (50 mins)

    • Overview of Modeling Requirements from NERC Reliability Standards & recent FERC Orders

    • Model applicability and selection  

    • IBR Modeling in Phasor Domain and EMT Software Platforms

  • Summary (15 mins)