wsunderm1

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Yes, it's definitely possible to design the scenarios in the OpenDSS with the IEEE123 bus test system. You might consider relaxing the OV HC criteria since the voltage is already at 1.05puV. Maybe you could set it to 1.06puV or something similar. Then size the PV such that your voltage at times does exceed 1.06puV and sometimes does not exceed 1.06puV. Maybe 1.06puV is too high of a value, so you can set it to whatever makes sense for the educational cases you are developing. It may also be advantageous...

For educational purposes, I think the IEEE123 bus test system is good. I would recommend solving the circuit first, with the regulators still active. This should give you a minimum voltage of roughly 0.979 puV and a maximum voltage of 1.05puV. Then disable the regulators for the HC study. Add the PV, and then solve again. This is the sequence that I would follow: Clear Compile IEEE123Master.dss Solve Disable RegControl.* ** Add PV ** Solve As for setting up the individual cases to show different...

A few things that I see: For your case 1, you are trying to place a three-phase generator on bus 75. Looking at the IEEE123master.dss in the line definitions, I see the following definition for the line: New Line.L75 Phases=1 Bus1=74.3 Bus2=75.3 LineCode=11 Length=0.4 units=kft I see that the line has a .3 for the bus1 and bus2 definition. This means that there is only 1 node (phase) present, and it is node 3 (typically we refer to that as "C" phase). Confirming the number of phases, we can look...

If the goal is to control the inverter PF directly, I would not include the InvControl. It will over-ride any PF settings that the PVSystem is defined with (from your optimization routine), during the OpenDSS control loop, based on the vvar_curve and InvControl settings. For the PF sign, the OpenDSS help shows how it operates. Here's the snippet from the OpenDSS help that is in the program, for PF for the PVSystem: PF: "Setting this property will cause the inverter to operate in constant power factor...

Delete stand-alone HND files for COM_Interface_help and DirectDLL_help from sourceforge. Now part of main documentation.

Delete two CHM files from sourceforge. In main documentation CHM file, now.