Page 40 - Renewable Energy Devices and System with Simulations in MATLAB and ANSYS

Solar Power Sources: PV, Concentrated PV, and Concentrated Solar Power 27

PV current (A) 1 × 2 PV power (W)

[I ph ] + –
Model outputs 1 + – × [I o ] [V d ]

e U
× ÷

N s

[V d ] [aVt]

aVt I ph I o

÷ ×

× × ÷ exp(u(1))-1 I scn +K i*(u(1)-T n
Parameter calculation a*k*u(1)/q [G] G n × ÷ [T]

Ideality factor times thermal voltage (a*V t ) Photocurrent (I ph ) + + K i *(u(1)-T n ) Diode saturation current (I o ) V ocn + Kv*(u(1)-T n ) N s [aVt] MATLAB ® /Simulink ® model of PV cell/module with the parameters shown in Table 2.1.

G [T] I scn T [T] [T] V d

Model inputs + + Celsius to Kelvin
Solar irradiance (W/m 2 ) Temperature (°C) 273.15 PV voltage (V)

FIGURE 2.11
3
2
1