engleski

Specifics of Integration of Wind Power Plants into the Croatian Transmission Network

Increasing number and power of wind turbines that form wind power plant have overgrown connection to the distribution network a long time ago. Because of their considerable installed capacity, connection of wind power plants to the transmission network is a common practice today. However, large wind power plants require increased capacity of the transmission network. The problem with investments into the transmission network capacity is that it will be fully utilized only on rare occasions. This makes the investments in power lines reinforcement economically questionable. The transmission network capacity problems get worse when several large wind power plants are connected to the transmission network in the same node and have almost simultaneous peaks in production. The objective of this paper is to provide an insight in the issues of large-scale wind power plant connection to the transmission grid in Croatia. An accurate and detailed model for assessing power flows and voltage levels has been developed as a result of many projects involving wind power plant connections to the Croatian transmission network. It addresses problems of large-scale wind power plants integration into the Croatian transmission network and proposes solutions acceptable for both the investors and the Transmission System Operator.

integration ; transmission system ; wind power plant

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