Stability and Sensitivity Analysis of Multi-Vendor, Multi-Terminal HVDC Systems
Systems and Control
2021-11-24 v1 Systems and Control
Abstract
The stability of multi-vendor, multi-terminal HVDC systems can be analyzed in frequency domain by black-box impedance models using the generalized Nyquist stability criterion. Based on the impedance stability analysis, a multi-level sensitivity analysis approach using frequency-domain sensitivity functions is proposed to identify the root cause of potential instability. Case studies on a four-terminal HVDC system are carried out for stability and sensitivity analysis based on the impedance measurement in PSCAD. The analysis results are finally validated by electromagnetic transient simulations.
Cite
@article{arxiv.2111.12013,
title = {Stability and Sensitivity Analysis of Multi-Vendor, Multi-Terminal HVDC Systems},
author = {Yicheng Liao and Heng Wu and Xiongfei Wang and Mario Ndreko and Robert Dimitrovski and Wilhelm Winter},
journal= {arXiv preprint arXiv:2111.12013},
year = {2021}
}