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Russell Manson
17th July 2014, 08:31
I use the Aurora Communicator software to view the output from my two inverters - when I click on 'Input Parameters' my first plots input voltage against power but my second plots frequency against power. They are both using Voltage-based power curves. Does anyone know how I can change the one to show Voltage rather than Frequency? I've looked through all the menus and options but cannot see anywhere to change it, is it a setting on the inverter itself?

Cor van Houtum
29th August 2014, 08:51
With Aurora installer you can put this setting right
on the tab extended parameters
on the power curve page
in the under left corner

greetings
Cor

Russell Manson
29th August 2014, 10:19
Thanks for your response. I have looked at the wind table in the extended parameters and the radio button is set to voltage. I have tried it on frequency and then back to voltage but the result is the same. I'm sure it is just a simple setting but am not sure where it can be found. Thanks Russell

Cor van Houtum
29th August 2014, 11:25
Did you try to throw all the inverters away and let the program find them again ?
see wat happens

Rob Beckers
30th August 2014, 19:04
Changing the MPPT curve (wind table) in AuroraInstaller to do frequency instead of Voltage entirely changes the behavior of the Inverter! This is not something you want to do when you're looking to fix a reporting issue in AuroraCommunicator!

Switching this to frequency when the turbine and inverter are set up for Voltage means that the inverter now looks for a frequency signal from the PVI-Wind-Interface box and interprets those pairs in the table to mean "frequency vs. output power". That will load up the turbine completely wrong, when that table was meant to mean "Voltage vs. output power".

I don't know how to fix the AuroraCommunicator issue, sounds like a bug in the software to me. Just wanted to point out that switching settings in AuroraInstaller has very different effects from what you may be expecting.

-Rob-