Table 2 Comparison of PWM and designed MPPT charge controller
From: Design of a P-&-O algorithm based MPPT charge controller for a stand-alone 200W PV system
Input Reading | Output Reading | |||||||
|---|---|---|---|---|---|---|---|---|
time | Ipv (A) | Vpv (V) | Ppv (W) | Iout (A) | Vout (V) | Pout (W) | Efficiency (%) | |
PWM charge controller | 14:00 | 7.8 | 14.4 | 112.32 | 5.1 | 12.6 | 64.26 | 57.21% |
14:30 | 6.2 | 14.1 | 86.05 | 4.5 | 12.5 | 56.25 | 65.36% | |
15:00 | 4.5 | 13.9 | 63.45 | 3.92 | 12.7 | 49.7 | 78.32% | |
MPPT charge controller | 14:00 | 7.8 | 14.4 | 112.32 | 6.202 | 14.1 | 87.45 | 77.85% |
14:30 | 6.2 | 14.1 | 86.05 | 5.75 | 13.86 | 79.69 | 92.60% | |
15:00 | 4.5 | 13.9 | 63.45 | 3.95 | 14.01 | 55.58 | 87.59% | |