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2024 Mini-workshop on Power System Simulation
August 14 @ 10:00 AM - 1:30 PM
Min Kao Building, Room 124, The University of Tennessee
August 14th, 2024 (Wednesday) 10am to 1:30 pm
| 10:00-10:05 | Welcome – Fran Li & Kai Sun |
| 10:05-11:05 | Representing distribution systems in transmission system transient stability studies – Qiuhua Huang (Colorado School of Mines) |
| 11:05-12:05 | The Philosophy of Co-simulation – Philip Top (Lawrence Livermore National Laboratory) |
| 12:05-1:00 | Center Overview – Fran Li
Boxed lunch – All |
| 1:00-1:30 | CURENT Testbed Demonstration – Jingxin Wang & Jinning Wang |
| 1:30 | Adjourn |
Abstracts:
Representing distribution systems in transmission system transient stability studies
Distribution systems are physically connected to and interact with transmission systems. Traditionally, due to grid operation practices, model complexity, and data availability issues, distribution and transmission systems are often simulated or analyzed separately or in a decoupled manner. As the primary components (i.e., demand and generation) of distribution systems, along with their dynamic and transient behaviors, evolve over time, their representations in transmission system-level studies must also adapt. This tutorial will first review typical representations and modeling of distribution systems in bulk power system transient stability studies. We will analyze gaps in some of these representations and explore recent efforts to improve them, followed by future directions.
The Philosophy of Co-simulation
Co-simulation is a simulation technique in which two or more independent simulations are coupled together to analyze a complex system. While the concept of co-simulation is straightforward, the complexity of any instantiation often lies in the details and design philosophy used in the development. This talk will explore the philosophical principles used in the design of HELICS a co-simulation library, how they came about and how those principles played out the development of the software. HELICS(Hierarchical Engine for large scale infrastructure co-simulation) is a result of joint effort from several national labs to unify and simplify the use of co-simulation. It is an open-source software library and associated tools to enable co-simulation.