Abstract
The integration of wind power into power systems has been gaining momentum in the global energy industry due to its environmental benefits and abundance of supply. However, the natural intermittent and non-dispatchable features of wind negatively impact the system's frequency regulation capability. Wind power not only injects additional fluctuations to the already variable nature of frequency deviation, it also decreases frequency stability by reducing the inertia as well as the regulation capability. This reduction causes the decrease of overall system frequency response characteristic. These effects of wind integration will be examined closely in this paper. In addition, the effect of wind power on tie-line power flows and area control error will be investigated. The analytical and simulation model of load frequency control are utilized to show the impact of wind on system frequency regulation. Additionally, a range of wind penetration levels is considered to determine the maximum wind power penetration level given a frequency deviation limit.
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