solarly Posted September 30, 2017 Share Posted September 30, 2017 Hello everyone ! When I want to change the SOC threshold of a solar controller (any of them), PVsyst seems to be not able to change it properly. Every modifications keep the values as default after closing and even after saving change to another file. Is it a real issues or just wrong manipulation ? I don't know yet and if someone could tell me I will appreciate. Meanwhile, I found a work around into the hidden parameters. If you want to change SOC and so DOD of your project design go (back) to main menu > Preferences > Hidden parameters > Category: Controllers and ConvertersThen scroll down to SOC Discharging triggering ON or OFF according to your battery technology. Make change and close windows with OK. Now go (back) to your project design, and go to section input parameters > System > PV array. Unmark and mark Universal Controller check box in order to tell PVsyst to load the new SOC parameters. Now your next simulation should take care of your new SOC setting. In my case I set SOC parameters to : SOC Discharging triggering OFF, L-A batteries : 0.50SOC Discharging triggering ON, L-A batteries : 0.65I keep 15% of hysteresis as a general rule of thumb but lower hysteresis could be apply as well. Notice 1 : the hidden parameters is a volatile setting. You have to set your own one each time you quit PVsyst.Notice 2 : I work with PVsyst v6.64 - TRIAL (for the moment). Link to comment Share on other sites More sharing options...
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