摘要 |
<p>An autonomous unit for supplying energy to one or more structures (402) comprising power generation means comprising an engine (404) adapted to drive a generator (406) for generating power and a power store (408) for storing said power, the unit further comprising a heat store (412) for storing heat generated by the power generation means, wherein conversion means (420) are provided for converting power stored in the power store (408) into heat, the heat being stored in the heat store (412).</p> |