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buy@inverter.co tech@inverter.coIs possible using DC grid with inverters for residential buildings?
DC probably makes more sense, especially at low consumption levels - much of the arguments for AC over DC no longer apply (such as the cost of voltage conversion for transmission) and since most household appliances are actually DC anyway it makes more sense to use a micro-inverter for the few AC appliances than a DC power supply on everything else.
If you have DC loads, it is useful to work with DC-Grids. Easy, solar panel - controller - batteries - DC loads...
However, more residential buildings using AC loads and they work with DC/AC inverters.
MLPM: Multi Level Power Management using 1 micro inverter for each panel. AC power output at each solar module. Increasing installation panel by panel and expansion max power every time you "attach" a single solar panel, piece after piece. We are installing many installations in Africa, small installations with max output. Now we are entering Brazilian and European market.
Need to capitalize on the investment already made in home inverters in small towns owing to the poor quality and availability of power in India and other similar countries. Hence the idea of a DC grid that plugs into the inverter in parallel with the battery as an alternate source of power to be inverted or use with cheap mass manufactured AC household appliances. Lights will of course work even without the power inverter esp. LED and filament types.
To tap into the massive inverter-battery distributed infrastructure that exists in urban/semi-urban areas and how easily RE can fit into that equation. I think the primary question that I have is, particularly in regards to DC-powered mini-grids being used for rural electrification with sustainable business models, what happens when the grid arrives? A RE-based mini-grid infrastructure ties in capital for at least 10-15 years with the system operation entering well into 20+ years. How easily can one integrate such a network with the grid when it arrives? OR continue to safeguard the interests of the developer/investor even once the grid has reached?
If you have DC loads, it is useful to work with DC-Grids. Easy, solar panel - controller - batteries - DC loads...
However, more residential buildings using AC loads and they work with DC/AC inverters.
MLPM: Multi Level Power Management using 1 micro inverter for each panel. AC power output at each solar module. Increasing installation panel by panel and expansion max power every time you "attach" a single solar panel, piece after piece. We are installing many installations in Africa, small installations with max output. Now we are entering Brazilian and European market.
Need to capitalize on the investment already made in home inverters in small towns owing to the poor quality and availability of power in India and other similar countries. Hence the idea of a DC grid that plugs into the inverter in parallel with the battery as an alternate source of power to be inverted or use with cheap mass manufactured AC household appliances. Lights will of course work even without the power inverter esp. LED and filament types.
To tap into the massive inverter-battery distributed infrastructure that exists in urban/semi-urban areas and how easily RE can fit into that equation. I think the primary question that I have is, particularly in regards to DC-powered mini-grids being used for rural electrification with sustainable business models, what happens when the grid arrives? A RE-based mini-grid infrastructure ties in capital for at least 10-15 years with the system operation entering well into 20+ years. How easily can one integrate such a network with the grid when it arrives? OR continue to safeguard the interests of the developer/investor even once the grid has reached?
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