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stand-alone renewable energy system based on hydrogen production

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5000<br />

4000<br />

Power from Primary Sources (W)<br />

3000<br />

2000<br />

1000<br />

0<br />

0 2 3 4 6 7 8 9 12 13 14 15 16 17 18 19 21 23 24 26 28<br />

Time (day of operati<strong>on</strong>)<br />

Figure 4: Power available from primary <str<strong>on</strong>g>energy</str<strong>on</strong>g> sources<br />

.<br />

6000<br />

5000<br />

Electrolyser Input Power<br />

FC Power<br />

4000<br />

Power (W)<br />

3000<br />

2000<br />

1000<br />

0<br />

0 2 3 4 6 7 8 9 12 13 14 15 16 17 18 19 21 23 24 26 28<br />

Time (day of operati<strong>on</strong>)<br />

(a)<br />

Figure 5: Electrolyser input and fuel cell output<br />

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