Probability box theory-based uncertain power flow calculation for power system with wind power
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Jiaman Ding
und
Yi Du
Abstract
The uncertainty of wind speed may lead to the deviation and change of wind power output, which influences the stability of wind farm. Therefore, in this paper, a probability box (p-box) based uncertain power flow model for wind power is proposed, which initially introduces p-box to power flow calculation. A probabilistic interval power flow model with both probability and interval is established. Firstly, the drift interval of wind speed is obtained and its p-box model is established by analyzing the distribution of wind speed. Secondly, the wind power output p-box is derived from the wind speed p-box based on the relationship between wind power output and wind speed, then the p-box of wind power output is discretized and introduced into the power flow equation to obtain the power flow p-box model. Finally, Newton–Raphson method is used to solve the power flow p-box model. Experiments on data collected from a wind farm (running standard IEEE30-bus test system) in Inner Mongolia demonstrate that our method is more effective and accurate than the traditional Monte Carlo simulation (MCS) and classical interval power flow (IPF) method.
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
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Artikel in diesem Heft
- Frontmatter
- Editorial
- Fault location in the distribution network based on power system status estimation with smart meters data
- Research Articles
- Study on the characteristics of secondary arc current of UHV high compensation degree TCSC line under the fine-tuning mode
- Reactive power and harmonic compensation in a grid-connected photovoltaic system using fuzzy logic controller
- Enhancement of system performance using STATCOM as dynamic compensator with squirrel cage induction generator (SCIG) based microgrid
- A novel non-isolated dual-input DC-DC boost converter for hybrid electric vehicle application
- Suppression of very fast transients in 245 kV gas insulated substation
- Locational marginal price computation in radial distribution system using Self Adaptive Levy Flight based JAYA Algorithm and game theory
- Modeling of unforced demand response programs
- Probability box theory-based uncertain power flow calculation for power system with wind power
