What is Solar PhotoVoltaic System?
Solar Photovoltaic (PV) is a technology that converts sunlight (solar radiation) into direct current electricity by using semiconductors. When the sun hits the semiconductor within the PV cell, electrons are freed and form an electric current.
Solar PV technology is generally employed on a panel. PV cells are typically found connected to each other and mounted on a frame called a module. Multiple modules can be wired together to form an array, which can be scaled up or down to produce the amount of power needed.
Types of Solar Cells
Mono-crystalline Cell. Made by one cylindrical ingot of crystal silicon from a small seed crystal trimmed into a square and sliced into wafers.
Poly-crystalline Cell. Pouring molten silicon into a square mold and allowing it to set. Multi-faceted surface is a better performance in weak light.
Main Components of Solar PV System
Solar PV Panel
Battery Bank (Optional) - produced energy can be stored and use it when needed
Power Conditioning Unit - providing protection against short circuit or line to ground faults with thermal-magnetic circuit breakers. Combining DC supply from PV array and convert with inverted to AC supply. Controlling the energy input and output for battery bank
Electric Meter - to be asble to measure energy flow and its direction so that it will shows the exported or consumed kWh.