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Connecting Wind Turbine Generator to Distribution Power Grid—A Preload Flow Calculation Stage

Agbetuyi, Ayoade F. and Awosope, C. O. A. and Awelewa, A. A. and Adoghe, A. U. and Odigwe, I. A. and Samuel, I. A. (2014) Connecting Wind Turbine Generator to Distribution Power Grid—A Preload Flow Calculation Stage. Journal of Energy and Power Engineering, 8. pp. 1811-1815.

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A distribution grid is generally characterized by a high R/X (resistance/reactance) ratio and it is radial in nature. By design, a distribution grid system is not an active network, and it is normally designed in such a way that power flows from transmission system via distribution system to consumers. But in a situation when wind turbines are connected to the distribution grid, the power source will change from one source to two sources, in this case, network is said to be active. This may probably have an impact on the distribution grid to whenever the wind turbine is connected. The best way to know the impact of wind turbine on the distribution grid in question is by carrying out load flow analysis on that system with and without the connection of wind turbines. Two major fundamental calculations: the steady-state voltage variation at the PCC (point of common coupling) and the calculation of short-circuit power of the grid system at the POC (point of connection) are necessary before carrying out the load flow study on the distribution grid. This paper, therefore, considers these pre-load flow calculations that are necessary before carrying out load flow study on the test distribution grid. These calculations are carried out on a test distribution system.

Item Type: Article
Uncontrolled Keywords: Distribution grid, power quality, wind turbine generator, load flow.
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering, Science and Mathematics > School of Electronics and Computer Science
Depositing User: Mrs Patricia Nwokealisi
Date Deposited: 21 Dec 2014 19:26
Last Modified: 21 Dec 2014 19:26

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