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    • 5. 发明申请
    • Space heating system with fuel cells and a connection to a public electrical network
    • 具有燃料电池的空间加热系统和与公共电网的连接
    • US20040043268A1
    • 2004-03-04
    • US10653736
    • 2003-09-02
    • Sulzer Hexis AG
    • Stefan GensweinRene Dittli
    • H01M008/04F24D005/00
    • H01M8/04007H01M8/04089H01M8/04619H01M8/04753H01M8/0494H01M8/04955H01M2250/405Y02B90/16Y02P70/56Y10S429/90Y10S429/901
    • The space heating system with fuel cells (11) has a connection to a public electrical network (50). In this system a fuel (B) can be supplied to the fuel cells in gaseous form through a main gas valve (200) for the production of thermal and electrical energy. The main gas valve has a control which, on an interruption of the current supplied, results in an automatic operating shutdown. The possibilities exist for the system to feed the electrical energy at least partly into the network and to deliver the thermal energy to a heating circuit which is operable with electrical energy from the network. An electrical inverter (4), with which direct current of the fuel cells can be converted into alternating current, can be operated in two operating states, on the one hand, for a feed into the public network, and, on the other hand, for a feed into the island network of the system. Means are provided with respect to a power cut of the public network by which a short-term maintenance of necessary functions of the space heating systemnullthe fuel supply into the fuel cells having first prioritynullis ensured without support by, for example, galvanic batteries. Moreover, controls and circuits are provided with which at least the necessary functions of the space heating system can continue to be maintained by means of electrical energy from the fuel cells.
    • 具有燃料电池(11)的空间加热系统具有与公共电网(50)的连接。 在该系统中,可以通过主气阀(200)将燃料(B)以气体形式供应到用于产生热能和电能的燃料电池。 主气阀具有在所供给的电流中断时导致自动运行停机的控制。 系统存在至少部分地将电能馈送到网络中并将热能传递到加热电路的可能性,加热电路可利用来自网络的电能来操作。 燃料电池的直流电可以转换为交流电的电力逆变器(4)可以一方面用于进入公共网络的两个操作状态,另一方面, 用于进入岛屿网络的系统。 提供了关于公共网络的电力切断的手段,其中通过短路维护空间加热系统的必要功能(具有第一优先级的燃料电池中的燃料供应)被确保,而不由例如电流 电池 此外,提供了控制和电路,借助于来自燃料电池的电能可以继续保持空间加热系统的至少必要功能。