55 citations · 185 across the 16 of their papers we have counts for
9 papers · 1 filter
A Data-Driven Sparse Polynomial Chaos Expansion Method to Assess Probabilistic Total Transfer Capability for Power Systems with Renewables
Xiaoting Wang, Xiaozhe Wang, Hao Sheng +1
The increasing uncertainty level caused by growing renewable energy sources (RES) and aging transmission networks poses a great challenge in the assessment of total transfer capabi…
Measurement-Based Estimation of System State Matrix for AC Power Systems with Integrated VSCs
Jinpeng Guo, Xiaozhe Wang, Boon-Teck Ooi
In this paper, a wide-area measurement system (WAMS)-based method is proposed to estimate the system state matrix for AC system with integrated voltage source converters (VSCs) and…
Online Measurement-Based Estimation of Dynamic System State Matrix in Ambient Conditions
Hao Sheng, Xiaozhe Wang
In this paper, a purely measurement-based method is proposed to estimate the dynamic system state matrix by applying the regression theorem of the multivariate Ornstein-Uhlenbeck p…
Investigating the Impacts of Stochastic Load Fluctuation on Dynamic Voltage Stability Margin Using Bifurcation Theory
Georgia Pierrou, Xiaozhe Wang
This paper studies the impacts of stochastic load fluctuations, namely the fluctuation intensity and the changing speed of load power, on the size of the voltage stability margin.…
Probabilistic Power Flow Calculation using Non-intrusive Low-rank Approximation Method
Hao Sheng, Xiaozhe Wang
In this paper, a novel non-intrusive probabilistic power flow (PPF) analysis method based on the low-rank approximation (LRA) is proposed, which can accurately and efficiently esti…
A Non-Intrusive Low-Rank Approximation Method for Assessing the Probabilistic Available Transfer Capability
Hao Sheng, Xiaozhe Wang
In this paper, a mathematical formulation of the probabilistic available transfer capability (PATC) problem is proposed to incorporate uncertainties from the large-scale renewable…