DC Line Model: EPCDC
AutoCorrection Properties
To be documented.
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:
| alphamin | Minimum rectifier firing angle, degrees |
| gammamin | Minimum inverter firing angle, degrees |
| tmeasv | D.C. voltage transducer time constant, sec. |
| tmeasi | D.C. current transducer time constant, sec. |
| trdown | Rectifier VDCOL downward time constant |
| trup | Rectifier VDCOL upward time constant |
| tidown | Inverter VDCOL downward time constant |
| tiup | Inverter VDCOL upward time constant |
| v1r | Rectifier VDCOL voltage break points, Kv |
| v2r | Rectifier VDCOL voltage break points, Kv |
| v3r | Rectifier VDCOL voltage break points, Kv |
| v4r | Rectifier VDCOL voltage break points, Kv |
| c1r | Rectifier VDCOL current break points. p.u. |
| c2r | Rectifier VDCOL current break points. p.u. |
| v1i | Inverter VDCOL voltage break points, Kv |
| v2i | Inverter VDCOL voltage break points, Kv |
| v3i | Inverter VDCOL voltage break points, Kv |
| v4i | Inverter VDCOL voltage break points, Kv |
| c1i | Inverter VDCOL current break points, p.u. |
| c2i | Inverter VDCOL current break points, p.u. |
| cmin | Minimum current order, amps |
| cmax | Maximum current order, amps |
| vblock | Rectifier ac voltage for inst. block,p.u. |
| vunbl | Rectifier ac voltage for unblock, p.u. |
| tblock | Rectifier minimum block time, sec. |
| vbypas | Inverter dc voltage for bypassing, p.u. |
| vunby | Inverter ac voltage for unbypass, p.u. |
| tbypas | Inverter minimum bypass time, sec. |
| tcmode | Minimum time in enforced current mode, sec. |
| vdeblk | Rectifier ac voltage for delayed block, p.u. |
| tdeblk | Rectifier pickup time for delayed block, sec. |
| treblk | Rect. min block time for delayed block, sec. |
| vacbyp | Inverter ac voltage for delayed bypass, p.u. |
| tdebyp | Inv pickup time for time delayed bypass, sec. |
| tinbyp | Inv min bypass time for delayed bypass, sec. |
| vchange | Sudden inv ac volt change for inst bypass, p.u. |
| tvchange | Sudden voltage change detector time constant, sec. |
| imarg | Current margin, amps |
| rcut | NOT USED. Apparent Res of volt rise controller, ohms |
| alphamax | NOT USED. Maximum rectifier firing angle, degrees |
| gammamax | NOT USED. Maximum inverter firing angle, degrees |
| accel | NOT USED. Solution acceleration factor |
| tpcmcu | NOT USED. Integration time constant of bpa PCMCU |