6 papers · 1 filter
A Benchmark on LLM-Based Power Flow Computation: Do More Structured Prompts Help?
Tingwei Chen, Kaiyang Huang, Kai Sun
We present a controlled benchmark evaluating three LLMs -- Claude Sonnet 4.5, Gemini 2.5 Pro, and GPT-3.5 Turbo -- across four prompt formats (from concise narrative to structured…
Efficient High-Order Participation Factor Computation via Batch-Structured Tensor Contraction
Mahsa Sajjadi, Kaiyang Huang, Kai Sun
Participation factors (PFs) quantify the interaction between system modes and state variables, and they play a crucial role in various applications such as modal analysis, model re…
A Heterogeneous Multiscale Method for Efficient Simulation of Power Systems with Inverter-Based Resources
Kaiyang Huang, Min Xiong, Yang Liu +1
As inverter-based resources (IBRs) penetrate power systems, the dynamics become more complex, exhibiting multiple timescales, including electromagnetic transient (EMT) dynamics of…
PI-Controlled Variable Time-Step Power System Simulation Using an Adaptive Order Differential Transformation Method
Kaiyang Huang, Yang Liu, Kai Sun +1
Dynamic simulation plays a crucial role in power system transient stability analysis, but traditional numerical integration-based methods are time-consuming due to the small time s…
Estimation of Participation Factors for Power System Oscillation from Measurements
Tianwei Xia, Zhe Yu, Kai Sun +2
In a power system, when the participation factors of generators are computed to rank their participations into an oscillatory mode, a model-based approach is conventionally used on…
A Semi-Analytical Approach for State-Space Electromagnetic Transient Simulation Using the Differential Transformation
Min Xiong, Kaiyang Huang, Yang Liu +3
Electromagnetic transient (EMT) simulation is a crucial tool for power system dynamic analysis because of its detailed component modeling and high simulation accuracy. However, it…