Table 2.
Technical and economic specification of the microgrid components.
| Parameters | Values | Unit | |
|---|---|---|---|
| A | Economic indices[38] | ||
| Project life | 25 | year | |
| Inflation rate | 5 | % | |
| Interest rate | 13 | % | |
| B | Photovoltaic module (STP275S-20/Wem) | ||
| Rated power at STC | 275 | W | |
| Initial cost | 2.15 | $/Wp | |
| Lifetime | 25 | years | |
| Maintenance cost | 20 | $/year | |
| Nominal operating cell temperature | 45 ± 2 | °C | |
| Temperature coefficient | −3.7 × 10-3 | 1/°C | |
| Module efficiency | 16.9 | % | |
| Regulator cost | 1500 | $ | |
| Replacement cost | 0 | $/year | |
| C | Wind turbine | ||
| Lifetime | 25 | years | |
| Rated power | 1 | kW | |
| Initial cost | 3 | $/W | |
| Cut-in speed | 2.5 | m/s | |
| Cut-out speed | 20 | m/s | |
| Rated speed | 9.5 | m/s | |
| Regulator cost | 1000 | $ | |
| Blades diameter | 6.4 | m | |
| Swept area | 12.6 | m2 | |
| Replacement cost | 0 | $/year | |
| Maintenance cost | 50 | $/year | |
| D | Deep cycle battery | ||
| Lifetime | 2 | years | |
| Nominal voltage | 12 | V | |
| Hourly self-discharge rate | 0.007 | %/hour | |
| Initial cost | 280 | $/kW h | |
| O&M cost | 5 | $/% | |
| Rated capacity | 45.2 | kW h | |
| Maximum DOD | 70 | % | |
| 100 | % | ||
| Replacement cost | 280 | $/year | |
| 30 | % | ||
| Maintenance cost | 5 | $/year | |
| E | Diesel generator | ||
| Initial cost | 1000 | $/kW h | |
| Rated power | 4 | kW | |
| Lifetime | 24,000 | Hours (5 years) | |
| Replacement cost | 1000 | $/kW h | |
| O&M cost | 0.064 | $/h | |
| Fuel cost | 0.689 | $/L | |
| F | Inverter | ||
| Lifetime | 15 | Years | |
| Efficiency | 92 | % | |
| Initial cost | 2500 | $ | |