Abstract
Static and dynamic simulation methods are two commonly adopted techniques in constructing wind turbine simulator (WTS). To better understand the difference between static simulation method and actual wind turbine, their frequency-domain models which have never been discussed before are elaborated in this paper, and the reason why conventional static simulation method can not reproduce the dynamic behavior of a wind turbine and why dynamic simulation method should be adopted are carefully discussed. Then, the relationship between inertia of wind turbine and time constant of LFP are discussed based on the simplified model of dynamic WTS proposed in the paper, which reveals the ways to simulate different wind turbines with one hardware specification. An experimental platform which can accurately simulate both the static and dynamic characteristic of real wind turbines is implemented. The theoretical analysis and proposed strategy is verified by simulation and experimental results performed by a 7.5KW laboratory prototype.
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