Chandigarh is a perfect place to study the generation of a solar power system as it faces minimum power cuts. The generation numbers in Chandigarh gives us a fair insight on how equipment quality & installation practices ,affect the generation of a system. Given below is an analysis of a 13.65 kWp system on a residential rooftop in sector 9 , Chandigarh.
About the solar plant
This plant is designed to have minimal controllable losses. A total of 42 panels have been installed using laser beam technology in a perfect same direction Remember , after temp losses mismatch is the biggest loss faced by solar power plants. To eliminate these losses 2 strings of 12 panels each and one string of 18 panels are connected to 2 different MPPTs. Also it is very important to ensure that we have a dedicated SPD (surge protection) for both the MPPTs. The plant has been mechanically designed in such a way that minimal DC cable loss is encountered. The inverter is placed on the rooftop itself to avoid these losses.
Plant Capacity - 13.65 kWp
Total Production (2019) 19500 kWh
Energy /kWp/Year (2019) 1428 kWh
Production /kWp/Day - 3.91 kWh
Equipment list
42 , 325 Watt , Jinko Poly-Crystalline SOlar Panels.
1 , SMA STP 10000 inverter.
Hot Dip Galvanised Module Mounting Structure designed for wind speeds upto 180 kmph.
LAPP make , outdoor water proof AC & DC cables . True gauge and UV stabilised.
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3 Nos. Earthing electrodes , 10 feet deep copper bonded 250 microns UL tested
Remote monitoring system.
All protection and safety devices.
Monthly data (2019)
Distribution of energy
