purnaanshg Posted October 21, 2014 Share Posted October 21, 2014 Hi,I am using the Master/Slave configuration for inverters. I am using PVsyst 6.27.I am simulating a 12inverter configuration which would have 1 Master and 11 Slaves but the "Inverter Selection" does not allow me to go beyond 10 Slaves. Why is this so? Is there a way I can increase the number of slaves in the "Inverter Selection" beyond 10.Please let me know.ThanksPurnaansh Link to comment Share on other sites More sharing options...
André Mermoud Posted October 21, 2014 Share Posted October 21, 2014 Defining such a number of slaves doesn't make much sense. With 2 inverters in Master/Slave, you gain a little bit because of the better efficiency at low powers (less than 1 to 2% with bad inverters) With 3 inverters, the gain is imperceptible. Beyond this number it is completely useless. Using Master/Slave configuration is not harmless: it forces to connect all concerned sub-arrays in parallel. This is not necessarily a good idea. NB: In your case you can define 2 x 6 inverters in master/slave if you want: the simulation result will be exactly the same. Link to comment Share on other sites More sharing options...
purnaanshg Posted October 22, 2014 Author Share Posted October 22, 2014 Thanks Dr. Mermoud."Using Master/Slave configuration is not harmless: it forces to connect all concerned sub-arrays in parallel. This is not necessarily a good idea.": Can you please shed more light on the disadvantages.I would still request the ability to set the # of Slaves to higher values because a PVsyst output is what we provide along with configuring our inverters while quoting for a project. It would be confusing for the clients where we are configuring 12 or more inverters for a project and explain why the PVsyst output consists of a configuration of 2x6 inverters and not 1x12 inverters which is actually being proposed for the quote. I would really appreciate this feature.Please let me know.ThanksPurnaansh Link to comment Share on other sites More sharing options...
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