Solar Mini Grid System Design Pdf
A mini grid s production system consists of energy generation technologies inverters a management system and sometimes storage batteries.
Solar mini grid system design pdf. When the population is too small or remote for grid extension and standalone solar systems aren t viable for larger electricity needs. Mini grids represent an interesting and important midway point between stand alone and major grid electricity systems. Sandia national laboratories u s. Aimed at developing a standard procedure for the design and analysis of mini grid connected a solar pv systems using pv modules connected in an array field.
Mini grids operate in a space between the two. 40 villages each get a 20 kwp pv systems connected to a 2 3 km mini grid and high quality batteries. Iain macgill muriel watt in solar energy storage 2015. The standard procedure devel oped was validated in the design of a 20 kva mini grid connected solar pv system for nanyuki town in laikipia county kenya.
System sizing of a pilot solar hybrid mini grid in talek narok county kenya. Shs solar home system a solar pv based system to provide basic lighting and entertain ment needs to an individual home with a capacity typically in the range of 10 to 100 peak watts split phase three wire single phase configuration obtained by grounding the center tap of the generator or transformer supplying the mini grid. Department of energy doe 2019. Often conflated with microgrids a mini grid is sometimes defined as having a power rating less than 11kw and as being disconnected from utility scale grids.
Unit one k. Essentially mini grids are independent decentralised electricity networks that can function separately from a national grid. The united nations framework convention on climate change unfccc defines a mini grid with a power rating below 15mw and. A solar grid fed by three pv plants of 8 4 kwp joint capacity acts as.
Written in 2000 this document remains a key resource for mini grid developers. The production system determines the mini grid s overall capacity to provide electricity to end users. Mini grid energy generation technologies can include diesel generators hydropower systems solar photovoltaic pv. Kaolack province senegal is fully provided with solar power since 2008.
They typically serve remote communities that are not economical to connect to large grids due to their isolation but that have a sufficient density and diversity of end users so that it makes sense. Modular system design right choice for dominantly nighttime use. It should be noted that this is just one viable approach for system sizing some others being mentioned in chapter 3. Solar diesel mini grid in the handbook the term solar diesel mini grid describes a hybrid isolated mini grid power system using solar diesel and potentially bess generation operating in a remote community serviced by power and water in the northern territory.
A mini grid is an off grid electricity distribution network involving small scale electricity generation.