Guys,
We are in Australia and are looking to replace our current small 3kw solar system.
We have 3 phase to our house and a number of 3 phase appliances so i would like to go 3 phase hybrid.
We currently use an Electricity provider Amber Electric - they pass through whole sale rates to us - which can fluctuate wildly dependant on load on the grid etc. at rhe most extreme in the evenings the price per Kw/h can go to $16 - however - the FIT rate for solar at that time is also very high.
They have an API that i am using in Node-red to access their forecast data on a sliding 12 hour window.
I intend to implement a battery system (i am not that DIY on hardware so will probably end up buying a packaged system) and want to be able to do the following
1) Command the inverter to not feed to the grid at all (in the case of negative FIT) when excess energy is in the grid
2) If execess energy on the grid and there is a negative FIT - command the inverter to charge the battery from the grid (rather than solar)
3) If FIT rates are high then command the inverter to push xKW from the battery bank to the Grid (whilst still powering the house)
I have seen many of the more mainstream inverters that can do some of these - but the only one i have found so far that appears to do them all is the GoodWe ET series - however i am waiting on information as to whether if can be controlled programmatically rather than having to use an app/web interface to set schedules (which will not work as the rates and times are variable)
I have then come across this forum and the SIS project and this seems very promising - i am just wondeirng if the ability to control the inverter has been published and/or documented somewhere - rather than just monitoring the data coming from the inverter.
I have sent an email to australian distributor - not sure how helpful they will be at this point.
Craig
We are in Australia and are looking to replace our current small 3kw solar system.
We have 3 phase to our house and a number of 3 phase appliances so i would like to go 3 phase hybrid.
We currently use an Electricity provider Amber Electric - they pass through whole sale rates to us - which can fluctuate wildly dependant on load on the grid etc. at rhe most extreme in the evenings the price per Kw/h can go to $16 - however - the FIT rate for solar at that time is also very high.
They have an API that i am using in Node-red to access their forecast data on a sliding 12 hour window.
I intend to implement a battery system (i am not that DIY on hardware so will probably end up buying a packaged system) and want to be able to do the following
1) Command the inverter to not feed to the grid at all (in the case of negative FIT) when excess energy is in the grid
2) If execess energy on the grid and there is a negative FIT - command the inverter to charge the battery from the grid (rather than solar)
3) If FIT rates are high then command the inverter to push xKW from the battery bank to the Grid (whilst still powering the house)
I have seen many of the more mainstream inverters that can do some of these - but the only one i have found so far that appears to do them all is the GoodWe ET series - however i am waiting on information as to whether if can be controlled programmatically rather than having to use an app/web interface to set schedules (which will not work as the rates and times are variable)
I have then come across this forum and the SIS project and this seems very promising - i am just wondeirng if the ability to control the inverter has been published and/or documented somewhere - rather than just monitoring the data coming from the inverter.
I have sent an email to australian distributor - not sure how helpful they will be at this point.
Craig