Input-Output Specifications of Grid-Forming Functions and Data-Driven Verification Methods
CoRR(2024)
摘要
This work investigates interoperability and performance specifications for
converter interfaced generation (CIG) that can be verified using only
input-output data. First, we develop decentralized conditions on frequency
stability that account for network circuit dynamics and can be verified using
CIG terminal dynamics and a few key network parameters. Next, we formalize
performance specifications that impose requirements on the CIG disturbance
response. A simple data-driven validation method is presented that enables
verification of the interoperability and performance specifications for CIG
using input-output data from a two-node system. Data obtained from
electromagnetic transient (EMT) simulations are used to illustrate the proposed
approach and the impact of key parameters such as inner control loop gains,
network coupling strength, and controller bandwidth limitations.
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