| 摘要 |
A thermal energy storage plant (10) comprises a charging circuit (100) where a first working fluid is circulated, the charging circuit (100) including: - a first fluid transporting machine (110) for generating a flow of the first working fluid in charging circuit (100), - a heating device (120) electrically powered for transfer- ring heat to the first working fluid, - a heat accumulator (130) for storing the thermal energy of the first working fluid, the heat accumulator (130) including a hot end (131) for receiving the first working fluid at a first temperature (T1) and a cold end (132) for letting the first working fluid exit the heat accumulator (130) at a second temperature (T2) lower than the first temperature (T1); the heat accumulator (130) comprises a plurality of heat storage units (135a, 135b, 135c) connected in series between the hot end (131) and the cold end (132), which may be separated by valves (137a, 137b). |
