Pv Curve Of Solar Panel

There is a point on the knee of the i v curve where the maximum power output is located and this point is called the maximum power point mpp.

Pv curve of solar panel.

Every model of solar panel has unique performance characteristics which can be graphically represented in a chart. The voltage and current at this maximum power point are designated as vmp and imp. The fill factor abbreviated ff is a parameter which characterizes the non linear electrical behavior of the solar cell. Typical i v characteristic curve for a pv cell figure 1 shows a typical i v curve for which the short circuit output current isc is 2 a.

For a module or array of pv cells the shape of the i v curve does not change. The sunlight is a group of photons having a finite amount of energy. Maximum power point and rated power of solar pv panel. The absorption depends on the energy of the photon and the band gap energy of the solar semiconductor material and it is expressed in electron volt ev.

Working of a solar cell. However it is scaled based on the number of cells connected in series and in parallel. For the generation of electricity by the cell it must absorb the energy of the photon. The graph is called an i v curve and it refers to the module s output relationship between current i and voltage v under prevailing conditions of sunlight and temperature.

When n is the number of cells connected in series and m is the number of cells connected in parallel and i sc and v oc are values for individual cells the below i v curve is produced. Photovoltaic cells have a complex relationship iv curve between their operating environment and the maximum power they can produce.