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Generic model question

asked 2020-06-09 11:05:41 -0500

Jorge gravatar image

updated 2020-06-09 11:05:56 -0500

Hi everyone,

Does anybody know if it is possible to have a master-slave configuration for three Generic Renewable Plant Control Model (REPCA)? I have a case in which we have two inverters in parallel with a plant controller each, and I would like to have a third plant controller to send Q setpoints to the other two for voltage control at the point of interconnection.

I would appreciate your help.

Best regards,


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answered 2020-07-03 02:17:29 -0500

Der Momirmeister gravatar image

Jorge, even in the newest v35.1 there isn't the REPCMU1, even though it was mentioned to be released maybe an year or two ago.

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answered 2020-06-29 01:22:35 -0500

Jorge gravatar image

I have found a possible solution, and I would like to share it with the community in case anyone might be interested.

In this case, one would use the model PLNTBU. This model is exactly the same as the well known REPCA; however, the advantage with PLNTBU is that one can attach this model to a different busbar the generator is connected, in my particular case I choose to do so at the POI above the main transformer. Moreover, because PLNTBU allow for additional reference signals (i.e. Vaux, Paux and Qaux) one can control two inverter models with one plant level controller by assigning the Vref (VAR L) to INV1 and Vaux (VAR L+10) to INV2 for example.

Finally, it is necessary to use the Renewable Energy Auxiliary Control Model (REAX4BU), as this component would be the interface for each of the electrical control (REECU) models which in turn send the control signals to the inverter model (REGCA).

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answered 2020-06-12 06:43:36 -0500

ffl gravatar image

If I recall it correctly, Siemens PTI developed a generic plant controller REPCMU1 capable of controlling multiple units at plant level. I saw it in an IEEE presentation. I am not sure though if it will be part of the library model and when it will be released.

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Hi, thanks for your reply. Unfortunately there is no mention of REPCMU1 in the MODEL documentation for PSSE 34 and 33.

Jorge gravatar imageJorge ( 2020-06-15 07:18:04 -0500 )edit

answered 2020-06-13 19:10:54 -0500

pk gravatar image

you should REPCB for multi machine control

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Hi, thanks for your reply. It doesn't seem that there is a REPCB model on PSSE 34 and 33. Could you please let me know which version are you referring to for this model?

Jorge gravatar imageJorge ( 2020-06-15 07:17:30 -0500 )edit

answered 2020-06-11 01:36:38 -0500

jfconroy gravatar image

I have looked at the model documentation and it seems that REPCA is designed for basic usage (one generator and one plant controller). It does not seem to have the capability that you want. I know that some user-defined plant control models provided by manufacturers have that capability, but those models are only made available under confidentiality agreements for specific projects.

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Asked: 2020-06-09 11:05:41 -0500

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Last updated: Jul 03 '20