Proceedings ArticleDOI
Stochastic evaluation of voltage in distribution networks considering the characteristic of distributed generators
Zhe Zhang,Gengyin Li,Song Wang,Jinhao Wang,Zhigang Wang +4 more
- pp 1132-1137
TLDR
The probability density function of the DG is derived from the mathematical model of the power source and the PDF of its uncertain variables, and the stochastic voltage evaluation via the PLF is processed by the 2 point estimate method (2 PEM).Abstract:Β
As the probabilistic load flow (PLF) approach is often applied in the assessment the voltage in the distribution system with the distributed generation, the intermittent power output of the distributed generators (DGs) should be more considered. The power variation characteristics of load and distributed generators should be treated separately. In this paper, taking the PV arrays for the typical example, the probability density function (PDF) of the DG is derived from the mathematical model of the power source and the PDF of its uncertain variables. The stochastic voltage evaluation via the PLF is processed by the 2 point estimate method (2 PEM). Besides, the possible network configurations with the relative probability are also considered, for analyzing the comprehensive case for the occurrence of network change. The proposed method will be tested with the modified IEEE 13-nodel feeder test system, and the data for the probabilistic evaluating features of all the nodal voltages distribution are obtained. The results can be used to help know the general and complete voltage effects.read more
Citations
More filters
Journal ArticleDOI
Solar PV Grid Power Flow Analysis
TL;DR: In this article, the authors proposed a maximum integration capacity optimization model of the PV power, according to different power factors for the photovoltaic power, and analyzed the large-scale PV grid access capacity, PV access point, and multi-PV power plant output, by probability density distribution, sensitivity analysis, standard deviation analysis, and over-limit probability analysis.
Journal ArticleDOI
Reliability Analysis of Hybrid Energy System
TL;DR: In this article, a reliability analysis method is developed to address this challenge, where wind and solar are the two renewable energy sources that are considered, and the cost evaluation of hybrid energy systems is presented.
Proceedings ArticleDOI
Three-Phase Probabilistic Power Flow in Distribution System with Grid-Connected Photovoltaic Systems
Ming Ding,Xinglong Wu +1 more
TL;DR: In this paper, a method of three-phase probabilistic power flow in unbalanced radial distribution system with single-phase and threephase grid-connected photovoltaic (PV) systems using sequential Monte Carlo techniques is analyzed.
Journal Article
Three-phase Probabilistic Load Flow Including Photovoltaic Generation in Distribution System
Ming Ding,Xing-Long Wu +1 more
TL;DR: In this paper, a probabilistic load flow model for distribution system with single-phase and three-phase grid-connected photovoltaic (PV) systems using the sequential Monte Carlo technique is presented.
Proceedings ArticleDOI
Analysis of Observability Constraint on Optimal Feeder Reconfiguration of an Active Distribution Network with $\mu \mathrm{PMUs}$
TL;DR: The simulations revealed that the observability constraint may take the solution of the feeder reconfiguration slightly out of the optimal point when few $\mu\mathrm{PMUs}$ are available.
References
More filters
Journal ArticleDOI
Comprehensive Approach to Modeling and Simulation of Photovoltaic Arrays
TL;DR: In this article, the authors proposed a method of modeling and simulation of photovoltaic arrays by adjusting the curve at three points: open circuit, maximum power, and short circuit.
BookDOI
Wind Power in Power Systems
TL;DR: In this article, the authors focus on the generation of electricity from clean and renewable sources, and show that wind energy has become the world's fastest growing energy source, and that renewable energy is the most promising energy source.
Journal ArticleDOI
Radial distribution test feeders
TL;DR: In this paper, the authors present an updated version of the same test feeders along with a simple system that can be used to test three-phase transformer models, which is a common set of data that could be used by program developers and users to verify the correctness of their solutions.
Journal ArticleDOI
Point estimates for probability moments
TL;DR: Given a well-behaved real function Y of a real random variable X and the first two or three moments of X, expressions are derived for the moments of Y as linear combinations of powers of the point estimates y(x(+)) and y (x(-)), where x(+) and x(-) are specific values of X.
Journal ArticleDOI
Two-point estimates in probabilities
TL;DR: A simple procedure for computing the first three moments which overcome the deficiencies of deterministic treatment by sacrificing the accuracy of a rigorous probabilistic analysis; the procedure also furnishes an approximate and an equally simple approach to Bayesian statistics.
Related Papers (5)
Probabilistic Load Flow for Distribution Networks with Photovoltaic Generators Part 1: Theoretical Concepts and Models
Stefania Conti,S. Raiti +1 more