Parameterization of a synchronous generator to represent a doubly fed induction generator with chopper protection for fault studies
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This paper addresses the representation of the wound rotor asynchronous generators by an equivalent synchronous generator, valid for short circuit current calculations. Modern wind power plants are required and designed to ride through faults in the network, subjected to fault clearing. Accurate knowledge of the wind turbine short circuit current contribution is needed for component sizing and protection relay settings during faults within the wind power plant collector system or in the external networks. When studying fault currents and protection settings for wind power installations, the industry standard is to employ software packages where generators are represented by their equivalent synchronous generator operational impedances. Hence, it is of importance to represent non-synchronous wind generators by an equivalent synchronous generator.
CitationMartinez, J. [et al.]. Parameterization of a synchronous generator to represent a doubly fed induction generator with chopper protection for fault studies. "Wind energy (John Wiley and Sons)", 28 Juny 2010, p. 1-12.