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    • 1. 发明申请
    • METHOD FOR RECOGNIZING THE LOAD OF AN ISLAND INVERTER AND ISLAND INVERTER
    • PROCESS FOR岛和变频器STAND-ALONE逆变电源的认识 - THE LAST
    • WO2006063375A2
    • 2006-06-22
    • PCT/AT2005000508
    • 2005-12-16
    • FRONIUS INT GMBHANGERER CHRISTIANHEIGL HANNESKREUZER HARALDWOLF CHRISTOPH
    • ANGERER CHRISTIANHEIGL HANNESKREUZER HARALDWOLF CHRISTOPH
    • H02M7/48H02M1/00H02M2001/0003H02M2001/0032Y02B70/16Y10T307/625
    • The invention relates to a method for recognizing the operational state of a load (10) connected to the output (6,7) of an island inverter (1). A load recognition signal (S L ) is applied at specific moments in time to the output (6, 7) of the island inverter (1), during which specific electric parameters are measured on the island inverter (1), enabling the operational state of the load (10) to be determined, wherein the island inverter (1), when the load (10) is activated, is switched from a possible standby mode into a permanent operation mode and, when the load is deactivated (10), the island inverter is switched from a possible permanent operation mode to a standby mode. The invention also relates to an island inverter (1). In order to ensure reliable recognition of all possible collected loads (10), a load recognition signal (S L ) with parameters ( T, d, A, H, f) that are modified at least according to the type of load (10) is applied to the output (6,7) of the island inverter (1).
    • 本发明涉及一种用于检测的操作状态到输出端(6,7)独立逆变器(1),其连接到在预定时间的负载(10),其特征在于,一个负载识别信号(S )(在输出 6,7)独立的逆变器(1)在岛逆变器(1)的活化的负载(10)从一个可能的应用和在此期间,在岛上逆变器(1)的某些电参数进行测量,并由此负载(10)的操作状态被确定,于是 空闲模式切换到连续操作和停用岛逆变器的负载(10)(1)从可能的连续操作在待机模式中切换。 此外,本发明涉及这样一种独立的逆变器(1)。 为了安全地检测所有可能的连接的负载(10)被提供,即在输出(6,7)独立逆变器(1)的负载检测信号(S ),其具有负载的类型中的至少一个功能 (10)改变的参数(T,D,A,H,F)被创建。
    • 2. 发明申请
    • METHOD FOR CONTROL OF INVERTERS
    • 方法逆变器控
    • WO2008028203A3
    • 2008-04-24
    • PCT/AT2007000350
    • 2007-07-17
    • FRONIUS INT GMBHANGERER CHRISTIANHEIGL HANNESKREUZER HARALD
    • ANGERER CHRISTIANHEIGL HANNESKREUZER HARALD
    • H02M7/00H02J3/38
    • H02M7/493H02J3/38
    • The invention relates to a method for control of the voltage and power of a plurality of RF inverters (2), which are connected in parallel at the output, of an insular inverter installation and for splitting the load between these RF inverters (2), which each comprise at least one DC/DC converter (3), an intermediate circuit (4) and a DC/AC converter (5), with a reference variable (U 1 ') being formed for each RF inverter in order to preset a nominal value for control of an intermediate-circuit voltage (üz?i) on the intermediate circuit (4) of the RF inverter (2). In each RF inverter (2), a control apparatus (13) determines the load on each RF inverter (2) by measurement of the current required or of the power required, simulates an internal resistance of the RF inverter (2) across which a virtual voltage drop (U VR ) which is dependent on the determined load is caused, which voltage drop is used to control the voltage (U ZKi ) of the intermediate circuit (4), such that this results in a deliberate change in the output voltage of each RF inverter (2).
    • 本发明涉及用于电压和功率的控制的方法的几个并联连接在RF逆变器(2),一个独立的逆变器系统的输出,以及所述负载的分布在这些RF逆变器(2)中,至少一个DC-DC转换器的 (3),中间电路(4)和一个DC-AC转换器(5),其中,对于每个RF逆变器(2)的基准变量(U 1 “),用于设定的目标值 在RF变频器的中间电路(4)(2)中形成调节的中间电路电压(I UZ?)。 在每个RF逆变器(2)通过测量由一控制装置(13)所需的要求的电流或功率,模拟RF逆变器(2)的内部电阻确定每个RF逆变器(2)的负载,通过其通过 的载重,确定依赖的虚拟电压降(U VR )被产生,其用于调节所述中间电路(4)的电压(U ZKI )时,使得在有意识的改变 每个逆变器的HF(2)的输出电压引起的。