Reactive power capability of doubly fed asynchronous generators

• Published in: Electric power systems research Vol. 78; no. 11; pp. 1837 - 1840
• Main Authors: Santos-Martin, D., Arnaltes, S., Rodriguez Amenedo, J.L.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.11.2008; Elsevier
• Subjects: Applied sciences; Direct energy conversion and energy accumulation; Doubly fed asynchronous generator; Electric power plants; Electrical engineering. Electrical power engineering; Electrical machines; Electrical power engineering; Energy; Exact sciences and technology; Miscellaneous; Natural energy; Non classical power plants; Reactive power capability; Synchronous generator; Wind energy; Wind power plants; Reactive power capability; Doubly fed asynchronous generator; Synchronous generator; Graphics; Reactive power; Wind energy; Windfarm; Asynchronous generators; Double supply machine; Synchronous generators
• ISSN: 0378-7796; 1873-2046
• DOI: 10.1016/j.epsr.2008.02.007

While synchronous generator reactive power capability has been extensively treated in the bibliography, reactive capability of doubly fed asynchronous generator (DFAG) has not yet been studied. This kind of generator is widely used in wind energy, and its reactive power capability must be known in order to plan the reactive capability of wind farms as required by grid codes. Active and reactive power output of DFAGs can be expressed as a function of the terminal voltage and the internal voltage, allowing the graphical representation of the power capability limits in a similar way as the synchronous generator.