Title :
Improved cost functions for economic dispatch compensations [on power systems]
Author :
Liang, Zi-Xiong ; Glover, J. Duncan
Author_Institution :
Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA
fDate :
5/1/1991 12:00:00 AM
Abstract :
Two polynomial curve fitting methods, Gram-Schmidt orthonormalization and the least-squares method, are evaluated for power system load dispatching economics analysis applications. It is shown that the Gram-Schmidt method, which does not require matrix inversion, gives more accurate fuel cost curves. Also, a constraint equation can be included in both methods to insure that incremental cost curves are monotonically increasing. Numerical examples are included to demonstrate the results
Keywords :
economics; least squares approximations; load dispatching; power system analysis computing; Gram-Schmidt orthonormalization; constraint equation; cost functions; fuel; least-squares method; load dispatching; polynomial curve fitting; power system analysis computing; Cost function; Equations; Fuel economy; Least squares approximation; Monitoring; Polynomials; Power generation economics; Power system economics; Power systems; Testing;
Journal_Title :
Power Systems, IEEE Transactions on
