| Changing Parameter | Two Diode Model | One Diode Model | ||||
| Shunt Resistance (Rp) | Pmax (watt) | Efficiency (%) | Pmax (watt) | Efficiency (%) | ||
| 200 | 58.18 | 22.3772 | 54.47 | 20.9507 | ||
| 250 | 59.09 | 22.7291 | 55.28 | 21.2642 | ||
| 300 | 59.70 | 22.9642 | 55.83 | 21.4744 | ||
| 350 | 60.14 | 23.1329 | 56.22 | 21.6247 | ||
| 400 | 60.47 | 23.2594 | 56.51 | 21.7374 | ||
| 450 | 60.73 | 23.3578 | 56.74 | 21.8251 | ||