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Stochastic analysis and simulation of grid-connected wind energy conversion system
Journal article   Peer reviewed

Stochastic analysis and simulation of grid-connected wind energy conversion system

H Mohammed and C.O Nwankpa
IEEE transactions on energy conversion, v 15(1), pp 85-90
Mar 2000

Abstract

Analytical models Power industry Power system security Power systems Renewable energy resources Stability Stochastic processes Uncertainty Wind energy Wind energy generation
An increasing presence of renewable energy forms, due to environmental and socio-economic reasons, in the electric power industry necessitates an assessment of the impact of these sources, on a conventional electric utility. This assessment incorporates stochastic theory to investigate the security and stability of a wind energy conversion system (WECS) on an electrical utility to quantify the limits of such a system's operation. This paper presents a model that captures the uncertainties in the system load at the wind generator bus, a method that approximates the randomness experienced by the system. Future dynamic models in development will capture noise due to wind effects. A simple model of a grid-connected WECS is presented. An index of reliability is also determined known as the mean first passage time (MFPT), the time taken for the system to leave its stability region.

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Energy & Fuels
Engineering, Electrical & Electronic
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