Quasi-Monte Carlo based probabilistic optimal power flow considering the correlation of wind speeds using copula function

ZQ **e, TY Ji, MS Li, QH Wu - IEEE Transactions on Power …, 2017 - ieeexplore.ieee.org
Wind farms commonly cluster in regions rich in wind resources. Thus, correlation of wind
speeds from different wind farms should not be ignored when modeling a power system with …

Solving probabilistic optimal power flow problem using quasi Monte Carlo method and ninth-order polynomial normal transformation

B Zou, Q **ao - IEEE Transactions on Power Systems, 2013 - ieeexplore.ieee.org
This paper aims at establishing the cumulative distribution function (CDF) of the output
variable of the probabilistic optimal power flow. In the context of the probability weighted …

Mean-tracking model based stochastic economic dispatch for power systems with high penetration of wind power

Z Lin, H Chen, Q Wu, W Li, M Li, T Ji - Energy, 2020 - Elsevier
The random wind power that accounts for a growing proportion in power systems imposes
higher challenge on the reliable operation of power system under uncertain circumstances …

Application of low-discrepancy sampling method in structural reliability analysis

H Dai, W Wang - Structural Safety, 2009 - Elsevier
This study introduces and investigates various low-discrepancy sequences and then
develops a new procedure in which the low-discrepancy sequences are combined with the …

Risk constrained stochastic economic dispatch considering dependence of multiple wind farms using pair-copula

MS Li, ZJ Lin, TY Ji, QH Wu - Applied Energy, 2018 - Elsevier
With higher and higher penetration of wind power into power systems, dependence among
the wind speeds of different wind farms should be considered when modeling the wind …

Variance-based global sensitivity analysis via sparse-grid interpolation and cubature

GT Buzzard, D **u - Communications in Computational Physics, 2011 - cambridge.org
The stochastic collocation method using sparse grids has become a popular choice for
performing stochastic computations in high dimensional (random) parameter space. In …

An adaptive polynomial skewed-normal transformation model for distribution reconstruction and reliability evaluation with rare events

J Xu, Z Wu, ZH Lu - Mechanical Systems and Signal Processing, 2022 - Elsevier
Evaluating the failure probabilities with rare events remains a challenging task, especially
when dealing with complex limit state functions with high-dimensional random inputs. To …

On stability of distance measures for event sequences induced by level-crossing sampling

BA Moser, T Natschläger - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
While Shannon's paradigm of sampling is based on equidistant points in time, triggered by a
clock, level-crossing sampling schemes are based on the evaluation of the input signal's …

An efficient ranked Voronoi diagram-based hybrid method for reliability-based structural analysis and design optimization

NS Hamzehkolaei, N Kadkhoda - Soft Computing, 2023 - Springer
Abstract The Space Partition-Unscented Transformation (SPUT) is an efficient reliability
method that partitions input space into a number of subspaces and then uses UT …

[HTML][HTML] A novel pure data-selection framework for day-ahead wind power forecasting

Y Chen, J Zhao, J Qin, H Li, Z Zhang - Fundamental Research, 2023 - Elsevier
Numerical weather prediction (NWP) data possess internal inaccuracies, such as low NWP
wind speed corresponding to high actual wind power generation. This study is intended to …