Option

Description

NNNOUT

Additional interactive output during load flow iteration.

NPRINT

Tabular printout for nodes with power constraints.

NITERA

Maximum number of iterations. Default 500.

NFLOUT

Buffer size convergence monitoring, printout per line. Default 20.

RALCHK

Relative convergence tolerance. Default 1/100.

CFITEV

Acceleration factor ref. dQ/dU. Default 2/10.

CFITEA

Acceleration factor ref. dP/dTh. Default 2.5.

VSCALE

Voltage scaling factor. Use 1.4142 to get rms values output. Zero=Unity.

KTAPER

=0: Constant acceleration factors. =2 used also in DC25/DC26 examples.