ORC STACK-SYSTEM CONTROL
    1.
    发明申请
    ORC STACK-SYSTEM CONTROL 审中-公开
    ORC堆栈系统控制

    公开(公告)号:US20160376932A1

    公开(公告)日:2016-12-29

    申请号:US15125106

    申请日:2015-03-03

    申请人: ORCAN ENERGY AG

    摘要: The invention relates to a method for controlling ORC stacks with a total number ntot of individually operable ORC modules, said method comprising the following steps: determining the running time remaining until the next servicing time for each operable ORC module respectively; determining a target number nsoll of ORC modules to be operated; comparing said target number nsoll to an actual number nist of currently operated ORC modules; when nsoll>nist, connecting a number nsoll−nist of ORC modules that corresponds to the difference between the target number and the actual number, where the ORC modules with the longest remaining running times of the ORC modules currently not being operated are connected; and/or when nsoll Δt2.

    摘要翻译: 本发明涉及一种用于控制具有单独可操作的ORC模块的总数ntot的ORC堆栈的方法,所述方法包括以下步骤:分别确定每个可操作的ORC模块的剩余维护时间为止的运行时间; 确定要运行的ORC模块的目标数量nsoll; 将所述目标号码nsoll与当前操作的ORC模块的实际数量进行比较; 当nsoll> nist时,连接与目标号码和实际号码之间的差异对应的ORC模块的数量nsoll-nist,其中连接了ORC模块当前未被操作的最长剩余运行时间的ORC模块; 和/或当nsoll 断开与实际号码和目标号码之间的差异相对应的ORC模块的数量nsol-nsol,其中当前正在操作的ORC模块的剩余运行时间最短的ORC模块被断开 ; 和/或当nsoll = nist时,连接ORC模块与当前正在操作的ORC模块的最长剩余运行时间Δt1,并且以当前正在操作的ORC模块的最短剩余运行时间Δt2断开ORC模块,如果Δt1 >Δt2。

    DEVICE AND METHOD FOR RELIABLY STARTING ORC SYSTEMS
    2.
    发明申请
    DEVICE AND METHOD FOR RELIABLY STARTING ORC SYSTEMS 审中-公开
    用于可靠地启动ORC系统的设备和方法

    公开(公告)号:US20160251983A1

    公开(公告)日:2016-09-01

    申请号:US15030862

    申请日:2014-10-20

    申请人: ORCAN ENERGY AG

    IPC分类号: F01K13/02 F01K13/00 F01K11/00

    摘要: The invention relates to a thermodynamic cycle apparatus, comprising: a working medium; an evaporator for evaporating the working medium; an expansion machine for generating mechanical energy while expanding the evaporated working medium; a condenser for condensing the working medium, and a pump for pumping the condensed working medium to the condenser, wherein the geometrical arrangement of the evaporator is selected such that, prior to starting the pump, the condensed working medium can flow from the condenser to the evaporator by force of gravity and the working medium can circulate in a closed circuit via the evaporator and the condenser, whereby in particular a predetermined head height of the liquid working medium can be provided at the pump. The invention additionally relates to a method of starting the thermodynamic cycle apparatus according to the present invention, the method comprising the following steps: applying heat to the evaporator and evaporating the working medium in the evaporator, whereby working medium is caused to flow to the condenser; condensing the working medium in the condenser; starting the pump when a predetermined head height of the working medium at the pump is reached or exceeded.

    摘要翻译: 本发明涉及一种热力循环装置,包括:工作介质; 用于蒸发工作介质的蒸发器; 用于在扩大蒸发的工作介质的同时产生机械能的膨胀机; 用于冷凝工作介质的冷凝器和用于将冷凝的工作介质泵送到冷凝器的泵,其中选择蒸发器的几何布置,使得在启动泵之前,冷凝的工作介质可以从冷凝器流到 蒸发器通过重力和工作介质可以通过蒸发器和冷凝器在闭合回路中循环,由此可以在泵处提供液体工作介质的预定头部高度。 本发明还涉及一种启动根据本发明的热力循环装置的方法,该方法包括以下步骤:向蒸发器施加热量并蒸发蒸发器中的工作介质,从而使工作介质流到冷凝器 ; 冷凝器中的工作介质冷凝; 当达到或超过泵的工作介质的预定头部高度时启动泵。

    SENSORLESS CONDENSER REGULATION FOR POWER OPTIMIZATION FOR ORC SYSTEMS
    3.
    发明申请
    SENSORLESS CONDENSER REGULATION FOR POWER OPTIMIZATION FOR ORC SYSTEMS 审中-公开
    用于ORC系统的功率优化的无传感器冷凝器调节

    公开(公告)号:US20170002693A1

    公开(公告)日:2017-01-05

    申请号:US15106709

    申请日:2014-09-03

    申请人: Orcan Energy AG

    摘要: The invention relates to a method for regulating a condenser in a thermal cycle apparatus, in particular in an ORC apparatus, wherein the thermal cycle apparatus comprises a feed pump for conveying liquid working medium with an increase in pressure to an evaporator, the evaporator for evaporating and optionally additionally superheating the working medium with a supply of heat, an expansion machine for generating mechanical energy by expansion of the evaporated working medium, a generator for at least partially converting the mechanical energy into electrical energy, and the condenser for condensing the expanded working medium, and wherein the method comprises the following steps: determining a rotational speed of the generator or of the expansion machine; determining, without the use of a temperature sensor, a temperature of cooling air supplied from the condenser; determining from the determined generator or expansion machine rotational speed and the determined cooling air temperature, a condensation setpoint pressure at which the net electrical power of the thermal cycle apparatus is at a maximum; and controlling or regulating the condensation pressure, with the condensation setpoint pressure as target value, in particular by adjusting a condenser fan rotational speed.

    摘要翻译: 本发明涉及一种用于调节热循环装置中的冷凝器的方法,特别是在ORC装置中,其中热循环装置包括用于输送液体工作介质的进料泵,其中蒸发器的压力增加,用于蒸发的蒸发器 并且可选地另外过热加热工作介质,用于通过膨胀蒸发的工作介质产生机械能的膨胀机,用于至少部分地将机械能转换成电能的发电机,以及用于冷凝膨胀的工作的冷凝器 介质,并且其中所述方法包括以下步骤:确定所述发电机或所述膨胀机的转速; 在不使用温度传感器的情况下,确定从冷凝器供应的冷却空气的温度; 从确定的发电机或膨胀机转速和所确定的冷却空气温度确定热循环装置的净电力处于最大值的冷凝设定点压力; 并且以冷凝设定点压力为目标值来控制或调节冷凝压力,特别是通过调节冷凝器风扇转速。