DC Line Model: RSPDC3

 

Model Equations and/or Block Diagrams

For a Detailed Treatment of how DC lines are implemented in the software see the help topic here.

Parameters:

INITMODE Set to value <= 0 to attempt to control to initial rectifier power; Set to > 0 to regular to initial current
MODMODE 1 means use the FCWDPT signal; 2 means use the CFCAUX signal; otherwise no modulation signal
ALFDY Minimum rectifier firing angle (degrees) (CDC6T)
GAMDY Minimum inverter firing angle (degrees) (CDC6T)
TVDC DC voltage transducer time constant (sec) (CDC6T)
TIDC DC current transducer time constant (sec) (CDC6T)
VBLOCK Rectifier ac blocking voltage (pu) (CDC6T)
VUNBL Rectifier ac unblocking voltage (pu) (CDC6T)
TBLOCK Minimum blocking time (sec) (CDC6T)
VBYPAS Inverter dc voltage for bypassing (kV) (CDC6T)
VUNBY Inverter ac unbypassing voltage (pu) (CDC6T)
TBYPAS Minimum bypassing time (sec) (CDC6T)
RSVOLT Minimum dc voltage following block (kV) (CDC6T)
RSCUR Minimum dc current following block (amps) (CDC6T)
VRAMP Restart voltage ramping rate (kv/sec) (CDC6T)
CRAMP Restart current ramping rate (amps/sec) (CDC6T)
C0 Minimum dc current (amps) (CDC6T)
V1 Point 1 VDCOL curve (kv) (CDC6T)
C1 Point 1 VDCOL curve (Amp) (CDC6T)
V2 Point 2 VDCOL curve (kv) (CDC6T)
C2 Point 2 VDCOL curve (Amp) (CDC6T)
V3 Point 3 VDCOL curve (kv) (CDC6T)
C3 Point 3 VDCOL curve (Amp) (CDC6T)
TCMODE Minimum time in forced current mode (sec) (CDC6T)
VDEBLK Rectifier time delayed blocking voltage (pu) (CDC6T)
TDEBLK Rectifier blocking delay time (sec) (CDC6T)
TREBLK Rectifier unblocking delay time (sec) (CDC6T)
VINBLK Inverter time delayed blocking voltage (pu) (CDC6T)
TCOMB Communication delay for inverter block (sec) (CDC6T)
VACBYP Inverter ac voltage for bypass (pu) (CDC6T)
TDEBYP Inverter time delayed bypass time (sec) (CDC6T)
TINBLK Inverter unblocking delay time (sec) (CDC6T)
TINBYP Inverter unbypassing delay time (sec) (CDC6T)
TVRDC Rectifier dc volt transducer time constant (sec) (CDC6T)
TMFD Time Constant (sec) (FCWDPT)
dbH Deadband High (Hz) (FCWDPT)
dbL Deadband Low (Hz) (FCWDPT)
K1 K1 (MW/Hz) (FCWDPT)
DPMAX Deadband Maximum (MW) (FCWDPT)
DPMIN Deadband Minimum (MW) (FCWDPT)
K2 K2 (MW/Hz) (FCWDPT)
TMFP Time Constant (Sec) (CFCAUT)
KP Proportional Gain (MW/hz) (CFCAUT)
KI Integral Gain (MW/hz/sec) (CFCAUT)
IPMAX Integral Maximum (MW) (CFCAUT)
IPMIN Integral Minimum (MW) (CFCAUT)
PMAX Auxiliary Maximum (MW)
PMIN Auxiliary Minimum (MW)