RevRegTest.dss

! simple reverse mode regulator test
! puts enough DG on the IEEE 123 test case to force reverse flow
! regulators see reverse power go to neutral

Compile (IEEE123Master.dss)

RegControl.creg1a.maxtapchange=1  Delay=15  !Allow only one tap change per solution. This one moves first
RegControl.creg2a.maxtapchange=1  Delay=30  !Allow only one tap change per solution
RegControl.creg3a.maxtapchange=1  Delay=30  !Allow only one tap change per solution
RegControl.creg4a.maxtapchange=1  Delay=30  !Allow only one tap change per solution
RegControl.creg3c.maxtapchange=1  Delay=30  !Allow only one tap change per solution
RegControl.creg4b.maxtapchange=1  Delay=30  !Allow only one tap change per solution
RegControl.creg4c.maxtapchange=1  Delay=30  !Allow only one tap change per solution

Set MaxControlIter=30

! Solve executes the solution for the present solution mode, which is "snapshot".

New energymeter.M1 Line.sw1 1

solve

New Monitor.4a  Transformer.reg4a  2  mode=2
New Monitor.4b  Transformer.reg4b  2  mode=2
New Monitor.4c  Transformer.reg4c  2  mode=2
New Monitor.P4a  Transformer.reg4a  2  mode=1 ppolar=no
New Monitor.P4b  Transformer.reg4b  2  mode=1 ppolar=no
New Monitor.P4c  Transformer.reg4c  2  mode=1 ppolar=no

Redirect SetDailyLoadshape.DSS

solve

solve Mode=daily
! define the generator
New Generator.2MWGen   Bus1=450 kV=4.16  kW=1400  PF=1  
solve

regcontrol.creg4a.reversible=yes  revneutral=yes
regcontrol.creg4b.reversible=yes  revneutral=yes
regcontrol.creg4c.reversible=yes  revneutral=yes

solve

Show monitor 4a
Show taps 
Show Powers kva Elements
Export monitors 4a
Plot monitor object= 4a channels=(1 )
Export monitors p4a
Plot monitor object= p4a channels=(1 )