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    • 2. 发明申请
    • THERMOELECTRIC ENERGY STORAGE SYSTEM WITH REGENERATIVE HEAT EXCHANGE AND METHOD FOR STORING THERMOELECTRIC ENERGY
    • 具有再生热交换器的热电能储存系统和存储热电能的方法
    • WO2013064317A1
    • 2013-05-10
    • PCT/EP2012/069157
    • 2012-09-28
    • ABB RESEARCH LTDBUCHTER, FlorianHEMRLE, JaroslavMERCANGOEZ, Mehmet
    • BUCHTER, FlorianHEMRLE, JaroslavMERCANGOEZ, Mehmet
    • F01K3/12F28D20/00
    • F01K3/12
    • A thermoelectric energy storage (TEES) system having a charging cycle (10) for providing thermal energy to a hot thermal storage arrangement (18, 22, 24), and a discharging cycle (30) for generating electricity by retrieving the thermal energy from the hot thermal storage arrangement (18, 22, 24), the thermoelectric energy storage system including regenerative heat exchange. The system comprises a working fluid circuit adapted to circulate a gaseous working fluid through the hot thermal storage arrangement (18, 22, 24) and a cold thermal storage arrangement (14, 26, 28), wherein the hot thermal storage arrangement comprises a hot storage heat exchanger (18) and at least two hot storage tanks (22, 24) coupled via the hot storage heat exchanger (18). The cold thermal storage arrangement comprises a cold storage heat exchanger (14) and at least two cold storage tanks (26, 28) coupled via a cold storage heat exchanger (14). The system also provides a regenerative heat exchanger (20), adapted to further cool the working fluid at the output of the hot thermal storage arrangement during the charging cycle (10), and to pre-heat the working fluid at the input into the hot thermal storage arrangement during a discharging cycle (30). Notably, the working fluid is constantly in gas phase during the charging and discharging cycles.
    • 具有用于向热蓄热装置(18,22,24)提供热能的充电循环(10)的热电储能(TEES)系统以及用于通过从所述热存储装置(18,22,24)中提取热能来发电的放电循环(30) 热蓄热装置(18,22,24),热电蓄能系统包括再生热交换。 该系统包括适于使气态工作流体循环通过热蓄热装置(18,22,24)和冷热存储装置(14,26,28)的工作流体回路,其中热蓄热装置包括热的 储存热交换器(18)和经由热存储热交换器(18)联接的至少两个热储罐(22,24)。 冷热存储装置包括冷藏热交换器(14)和经由冷藏热交换器(14)联接的至少两个冷藏箱(26,28)。 该系统还提供一个再生热交换器(20),适于在充电循环(10)期间进一步冷却热蓄热装置输出处的工作流体,并将输入端的工作流体预加热到热 放电循环期间的热存储装置(30)。 值得注意的是,在充放电循环期间工作流体始终处于气相。
    • 4. 发明申请
    • ELECTRO-THERMAL ENERGY STORAGE SYSTEM AND METHOD FOR STORING ELECTRO-THERMAL ENERGY
    • 电热能储存系统及储存电热能的方法
    • WO2014027093A1
    • 2014-02-20
    • PCT/EP2013/067162
    • 2013-08-16
    • ABB RESEARCH LTD
    • HEMRLE, JaroslavKAUFMANN, LilianMERCANGOEZ, MehmetZ'GRAGGEN, Andreas
    • F01K3/00F01K3/12F01K9/00F01K25/10F22B1/02
    • F01K3/006F01K3/12F01K9/003F01K25/103F22B1/028
    • A system and method for electro-thermal energy storage, wherein the system comprises: a hot thermal storage arrangement (1) comprising a hot storage heat exchanger (11); a cold thermal storage arrangement (2) comprising a cold storage heat exchanger (21); a thermodynamic cycle unit configured to transfer thermal energy from the cold storage arrangement to the hot storage arrangement in a charging mode, and to convert thermal energy from the hot storage arrangement into work and, preferably, subsequently into electric energy in a discharging mode, wherein the thermodynamic cycle unit comprises a fluid circuit for circulating a working fluid through the hot storage heat exchanger as well as through the cold storage heat exchanger, wherein the fluid circuit further comprises a pump (31) for maintaining a circulation of working fluid in the discharging mode and a first turbine (321) for expanding working fluid in the discharging mode; and wherein the thermodynamic cycle unit comprises a second turbine (322) for expanding working fluid in the discharging mode, said second turbine being connected in series with the first turbine so that working fluid may flow from the first to the second turbine in the discharging mode, and an intercooling heat exchanger (33) located in the fluid circuit between the first and the second turbine.
    • 一种用于电热能储存的系统和方法,其中所述系统包括:热蓄热装置(1),其包括热存储热交换器(11); 包括冷藏热交换器(21)的冷热存储装置(2); 热力循环单元,其被配置为以充电模式将热能从冷藏装置传递到热存储装置,并且将热能从热存储装置转换成工作,并且优选地在放电模式下转换成电能,其中 热力循环单元包括用于使工作流体通过热存储热交换器以及通过冷藏热交换器循环的流体回路,其中流体回路还包括用于维持工作流体在排出口中的循环的泵(31) 模式和用于在放电模式下扩展工作流体的第一涡轮机(321); 并且其中所述热力循环单元包括用于在所述排放模式下扩展工作流体的第二涡轮机(322),所述第二涡轮机与所述第一涡轮机串联连接,使得工作流体可以在所述排出模式中从所述第一涡轮机流动到所述第二涡轮机 以及位于第一和第二涡轮机之间的流体回路中的中间冷却热交换器(33)。
    • 9. 发明申请
    • ELECTRO-THERMAL ENERGY STORAGE SYSTEM WITH IMPROVED EVAPORATIVE ICE STORAGE ARRANGEMENT AND METHOD FOR STORING ELECTRO-THERMAL ENERGY
    • 具有改进的蒸发冰储存装置的电热能储存系统和存储电热能的方法
    • WO2013102537A2
    • 2013-07-11
    • PCT/EP2012/075206
    • 2012-12-12
    • ABB RESEARCH LTD
    • Z'GRAGGEN, AndreasHEMRLE, JaroslavKAUFMANN, LilianMERCANGOEZ, Mehmet
    • F01K3/006F01K3/12F01K25/10F28D20/0034F28D20/028Y02E60/142Y02E60/145
    • A system and method for electro-thermal energy storage is described. The system has a charging cycle (10) for providing thermal energy to a hot thermal storage arrangement (18, 20, 22) and an evaporative ice storage arrangement (24) and a discharging cycle (30) for generating electricity by retrieving the thermal energy. The evaporative ice storage arrangement (24) comprises a heat exchanger (14, 36), an ice slurry storage tank (26), a vacuum evaporation chamber (28) and a slurry heat exchanger (40). The evaporative ice storage arrangement (24) of the present invention functions as a dedicated cold storage for the electro-thermal energy storage system. The cold storage is realized by producing an ice-water mixture during charging of the storage, and using the stored ice-water mixture to condense the working fluid during the discharge cycle (30). Use of this subtriple-point evaporation arrangement functions to increase the round-trip efficiency of the ETES system through minimising the maximum temperature difference between the working fluid and the thermal storage medium during operating cycles.
    • 描述了用于电热能储存的系统和方法。 该系统具有用于向热蓄热装置(18,20,22)提供热能的充电循环(10)和用于通过检索热能产生电力的蒸发冰储存装置(24)和放电循环(30) 。 蒸发冰存储装置(24)包括热交换器(14,36),冰浆储存箱(26),真空蒸发室(28)和浆料热交换器(40)。 本发明的蒸发式蓄冰装置(24)用作电热储能系统的专用冷库。 通过在储存器充电期间产生冰水混合物并且在放电循环期间使用储存的冰水混合物冷凝工作流体来实现冷藏(30)。 使用这种三点蒸发装置可以通过在工作循环期间最小化工作流体和热存储介质之间的最大温差来提高ETES系统的往返效率。