Reliability Working Group Fall 2021 Session

The Reliability Working Group will hold an online session on Wednesday, November 17, 3:00 – 5:00 pm (eastern US). The focus of the session will be reviewing the draft of the whitepaper on Power System Needs with High Share of Inverter Based Resources and Grid Forming Inverter Technology, that is being developed by the working group’s High Share of Inverter-Based Generation Task Force. The purpose of the paper is to discuss system needs, grid forming technology and control methods, share international projects where grid forming technology has been applied, share experience with requirements/market products incentivizing grid forming capability and to identify future needs for grid forming resources.

Ulrich Muenz

Additionally Ulrich Muenz, Siemens, will present on the following topic:

Dynamic Security Optimization for N-1 Secure Operation of Hawai`i Island’s Power Systems with 100% Inverter-based Resources

Reliable power system operation with 100% inverter-based renewable generation is an unsolved and challenging problem. The main reason is that today’s power systems require that at least 25% of the load is supplied by synchronous generators at any time, e.g. gas turbines, steam turbines, or diesel generators, as documented in studies for Hawaii and Ireland. One of the most challenging factors for achieving reliable N-1 secure operation with 100% inverter based renewable generation is dynamic security, i.e., power system stability after N-1 contingencies. This road block for high renewable generation can be overcome using Dynamic Security Optimization (DSO) technology for tuning controller parameters of generation units in order to improve the dynamic security of the power system. In this presentation, we provide an overview of the developed technology as well as first results from our U.S. Department of Energy ARPA-E funded project with Hawaiian Electric’s, Hawai`i Island Service Territory (HECO) as well as our partners Pacific Northwestern National Laboratory and OPAL-RT.

Dynamic Security Optimization continuously adapts the local controllers of both conventional and renewable generators to increase power oscillation damping and ensure power system reliability as the generation mix changes. This will be demonstrated in the course of our project in a real-time simulation of Hawai`i Island’s power system. Compared to many alternative solutions for power oscillations damping, the Dynamic Security Optimization solution does not require real-time communication and is brownfield-ready because it builds on existing controller structures and does not require a fundamental change of the control architecture.

The objective of the High Share of Inverter-Based Generation Task Force is to develop an understanding of the options for stable operation of future power systems with a very high share of inverter-based generation like wind, solar and storage, and a roadmap for making the transition from the power system of today to a future one dominated by inverter-based generation, working with research organizations, OEMs, and system operators to build a consensus.

Reliability Working Group Chair: Jason MacDowell, GE Power

High Share of Inverter-Based Generation Task Force
Task Force Chair: Julia Matevosyan, ERCOT

Jason MacDowell

Julia Matevosyan

Registration: Please note registration is only open to current members of ESIG. If you have any questions on your membership status or if you are interested in membership, please contact ESIG Director of Marketing & Operations, Ryan Willis (ryan@esig.energy).