TY - RPRT TI - A conceptual framework for evaluating variable speed generator options for wind energy applications AU - Reddoch, T. W. AU - Lipo, T. A. AU - Hinrichsen, E. N. AU - Hudson, T. L. AU - Thomas, R. J. PY - 1995 UR - https://ntrs.nasa.gov/citations/19950021566 ID - 19950021566 ER -