Research Article
Design of Efficient Off-Grid Solar Photovoltaic Water Pumping System Based on Improved Fractional Open Circuit Voltage MPPT Technique
Table 5
Experimental comparison between the proposed improved-FOCV and MPPT techniques based on classical algorithms.
| Technique | Proposed | P&O | IC | FOCV | CV | SCC |
| Sensed parameters | Temperature | Voltage and current | Voltage and current | Voltage | Voltage | Current | Tracking speed | Fast | Slow | Slow | Slow | Slow | Slow | Tracking accuracy | High | Medium | Medium | Slow | Slow | Medium | Control strategy | Indirect control | Direct control | Direct control | Indirect control | Indirect control | Indirect control | Complexity level | Simple | Medium | Complex | Simple | Simple | Simple | Cost | Inexpensive | Affordable | Expensive | Inexpensive | Inexpensive | Inexpensive | Response to load variation | Faster | Fast | Fast | Slow | Slow | Slow | Steady-state oscillation | Small | Large | Small | Large | Large | Medium | Efficiency | 99% | 97.8% | 98.5% | 92.4% | 72.8% | 93.4% |
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