System Operation With a High Level of
Penetration of Wind Power Plants
The purpose of this project is to determine criteria for the connection of wind power
plants to the grid and to define the modalities for the operation of the power
system in conditions that assume a high level of wind energy penetration.
The integration of wind power plants into the electrical energy system is one of
the most important projects from a broad spectrum of renewable energy diffusion
projects that are expected within the next ten-or-so years. Taking into consideration
specific aspects of wind power plants related to the variability and intermittency
of wind energy, their connection to the system is becoming an increasingly
significant technical problem due to the expected level of increase of their
penetration.
The consequences of sudden changes in a wind power plant’s output power to
the dynamic properties of the system need to be carefully analysed. This has to
be done in relation to utilised construction technology; network interface; the size
of the wind power plant and the connection voltage; intermittency of wind as a
primary energy source; interaction of the wind power plant with nearby dispersed
energy sources connected to the same voltage; interaction of the wind power
plant with nearby conventional generation facilities.
The consideration of the said aspects should result in a draft regulation or standard
to be applied at the level of the Croatian Electric Utility Company. Its purpose
is to regulate the integration of intermittent renewable energy sources of electricity.
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