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Reply from Dr. Agus Ulinuha
2022.12.21 21:22:06
Dear Ms. Mentari Putri Jati,
Thank you for your request,
It is unfortunate that this system does not allow inserting the figure. Therefore, I
would like to describe the system topology. Hopefully you can find the description
satisfactory.
The system consists of 8 panels x 545 Wp. These panels generate DC voltage and
this voltage is connected to a 15 kW on-grid inverter. This inverter generates
voltage synchronised with the electricity from the grid. This constructs the grid-
connected system for load sharing in the building. On a sunny day, the electricity
from the panels may be surplus and supplied back to the grid. But at the night or
cloudy condition, the electricity from the panels is small or even zero. In this
condition the load takes the power from the grid. Therefore, in one month an
electricity customer may need to pay/get paid for the electricity.
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