REFERENCES
- ACKERMANN , J. , 1972 , Abtastregelung ( Berlin : Springer-Verlag ).
- ANDERSON , P. M. , and FOUAD , A. , 1977 , Power System Control and Stability ( Iowa Slate University Press ).
- MIELCZARSKI , W. , 1986 , The state observers of a synchronous generator . Technical University of Łódź , no. 496 ( in Polish ); 1987 a,Int. J. Control, 45, 987; 1987 b,Ibid.,45, 1001; 1988, Ibid., 48, 1819 .