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    Power matching method
    2.
    发明申请
    Power matching method 有权
    功率匹配方法

    公开(公告)号：US20080290252A1

    公开(公告)日：2008-11-27

    申请号：US12151492

    申请日：2008-05-07

    申请人： Gerald Leonhardt ,  Christian Kuhnel ,  Joachim Laschinski ,  Sven Bremicker ,  Oliver Arend ,  Gerd Bettenwort ,  Wolfgang Kurt Reichenbacher

    发明人： Gerald Leonhardt ,  Christian Kuhnel ,  Joachim Laschinski ,  Sven Bremicker ,  Oliver Arend ,  Gerd Bettenwort ,  Wolfgang Kurt Reichenbacher

    IPC分类号： G01C21/02

    CPC分类号： G05F1/67 ,  Y02E10/58

    摘要： A method of matching the power of a photovoltaic system producing electric energy by which a working point at which the system produces maximum power is set by changing the working point in an MPP matching process and by comparing the system power, which changes as a result thereof, is intended to be suited both for stationary characteristic curves and for non stationary generator characteristic curves and to be easy to carry out so that the best working point is always set, even when the system is subjected to external interfering factors. This is achieved in that one or several additional control steps or control cycles are performed in order to track during the matching process a power point changing under external impact for a working point of even higher power to be set.

    摘要翻译： 一种匹配产生电能的光伏系统的功率的方法，通过改变MPP匹配处理中的工作点并通过比较系统功率来改变系统产生最大功率的工作点，从而改变系统功率 ，旨在适用于静态特性曲线和非固定发电机特性曲线，并且易于执行，以便始终设置最佳工作点，即使系统受到外部干扰因素的影响。 这是通过执行一个或几个附加的控制步骤或控制周期，以便在匹配过程期间跟踪在外部冲击下的功率点对于要设定的更高功率的工作点的变化。

    Maximum power point matching method
    3.
    再颁专利
    Maximum power point matching method 有权
    最大功率点匹配方法

    公开(公告)号：USRE43719E1

    公开(公告)日：2012-10-09

    申请号：US13188386

    申请日：2011-07-21

    申请人： Gerald Leonhardt ,  Christian Kuehnel ,  Joachim Ralf Laschinski ,  Sven Bremicker ,  Oliver Arend ,  Gerd Bettenwort ,  Wolfgang Kurt Reichenbacher

    发明人： Gerald Leonhardt ,  Christian Kuehnel ,  Joachim Ralf Laschinski ,  Sven Bremicker ,  Oliver Arend ,  Gerd Bettenwort ,  Wolfgang Kurt Reichenbacher

    IPC分类号： G01C21/02 ,  G01C21/24 ,  G01J1/20

    CPC分类号： G05F1/67 ,  Y02E10/58

    摘要： A method of matching the power of a photovoltaic system producing electric energy by which a working point at which the system produces maximum power is set by changing the working point in an MPP matching process and by comparing the system power, which changes as a result thereof, is intended to be suited both for stationary characteristic curves and for non stationary generator characteristic curves and to be easy to carry out so that the best working point is always set, even when the system is subjected to external interfering factors. This is achieved in that one or several additional control steps or control cycles are performed in order to track during the matching process a power point changing under external impact for a working point of even higher power to be set.

    摘要翻译： 一种匹配产生电能的光伏系统的功率的方法，通过改变MPP匹配处理中的工作点并通过比较系统功率来改变系统产生最大功率的工作点，从而改变系统功率 ，旨在适用于静态特性曲线和非固定发电机特性曲线，并且易于执行，以便始终设置最佳工作点，即使系统受到外部干扰因素的影响。 这是通过执行一个或几个附加的控制步骤或控制周期，以便在匹配过程期间跟踪在外部冲击下的功率点对于要设定的更高功率的工作点的变化。

    METHOD FOR DETERMINING A MAXIMUM POWER POINT OF PHOTOVOLTAIC GENERATORS
    6.
    发明申请
    METHOD FOR DETERMINING A MAXIMUM POWER POINT OF PHOTOVOLTAIC GENERATORS 有权
    用于确定光伏发电机最大功率点的方法

    公开(公告)号：US20130027020A1

    公开(公告)日：2013-01-31

    申请号：US13591300

    申请日：2012-08-22

    申请人： Jens Klein ,  Gerd Bettenwort ,  Markus Hopf

    发明人： Jens Klein ,  Gerd Bettenwort ,  Markus Hopf

    IPC分类号： G01R21/00

    CPC分类号： G05F1/67 ,  Y02E10/58

    摘要： A method for determining a maximum power point (MPP) of a photovoltaic generator (PV) by variation of at least one parameter of search voltage and search current, within a maximally searchable search area on a power/voltage curve is disclosed. The method includes initializing by defining a start point with a start voltage and a start current, searching for the maximum power point (MPP) in at least one search direction by repeated variation of the search voltage or search current in the search area taking account of at least two limiting conditions for limiting the search area, wherein at least one of the limiting conditions for limiting the search area are is determined with evaluation of parameters provided in an operating state already attained during the search, and ending the search if one of the at least two limiting conditions for limiting the search area is met.

    摘要翻译： 公开了一种通过在功率/电压曲线上的最大可搜索的搜索区域中的至少一个搜索电压和搜索电流参数的变化来确定光伏发电机（PV）的最大功率点（MPP）的方法。 该方法包括通过定义具有起始电压和起始电流的起始点来初始化，在考虑到搜索区域中的搜索电压或搜索电流的重复变化的情况下，在至少一个搜索方向上搜索最大功率点（MPP） 用于限制搜索区域的至少两个限制条件，其中用于限制搜索区域的限制条件中的至少一个是通过在搜索期间已经获得的操作状态中提供的参数的评估来确定的，并且如果其中一个 限制搜索区域的至少两个限制条件得到满足。

    Method for activating a multi-string inverter for photovoltaic plants
    7.
    发明授权
    Method for activating a multi-string inverter for photovoltaic plants 有权
    激活光伏电站多串逆变器的方法

    公开(公告)号：US08212409B2

    公开(公告)日：2012-07-03

    申请号：US12322916

    申请日：2009-02-09

    申请人： Gerd Bettenwort ,  Ralf Juchem ,  Matthias Victor ,  Tobias Müller

    发明人： Gerd Bettenwort ,  Ralf Juchem ,  Matthias Victor ,  Tobias Müller

    IPC分类号： H02J3/00

    CPC分类号： H02J1/102 ,  H02J3/383 ,  H02J3/385 ,  H02M3/1584 ,  H02M7/48 ,  H02M2001/007 ,  Y02E10/563 ,  Y02E10/58 ,  Y10T307/707

    摘要： A method of activating a Multi-String inverter for photovoltaic generators (1a, 1b) of a photovoltaic plant (6), the Multi-String inverter incorporating on the input side a separate DC-DC converter (2a, 2b) for each generator string (photovoltaic generator) (1a, 1b) and each output of the DC-DC converters (2a, 2b) being connected in parallel and to an input of a DC-AC converter (3) and the DC-AC converter (3) being connected with an alternating current mains (4) for feeding into the mains aims at improving efficiency. This is achieved in that one or several electrical variables, namely input current, input voltage and/or input power are measured at each DC-DC converter (2a, 2b) and at least one of the DC-DC converters (2a, 2b) changing its operating condition as a function of this measurement when a limit value and/or a range is exceeded in such a manner that its power loss is reduced so that the energy yield of the photovoltaic plant (6) is increased.

    摘要翻译： 一种激活光伏电站（6）的光伏发电机（1a，1b）的多串联逆变器的方法，所述多串联逆变器在输入侧包括用于每个发电机串的单独的DC-DC转换器（2a，2b） （光电发生器）（1a，1b），DC-DC转换器（2a，2b）的每个输出并联连接到DC-AC转换器（3）和DC-AC转换器（3）的输入端 与交流电源（4）连接以供电到电源，旨在提高效率。 这是通过在每个DC-DC转换器（2a，2b）和至少一个DC-DC转换器（2a，2b）中测量一个或多个电变量，即输入电流，输入电压和/或输入功率， 当超过限制值和/或范围以减小其功率损耗使得光伏电站（6）的能量产量增加时，作为该测量的函数改变其工作条件。

    Method for determining a maximum power point of photovoltaic generators
    8.
    发明授权
    Method for determining a maximum power point of photovoltaic generators 有权
    确定光伏发电机最大功率点的方法

    公开(公告)号：US09235226B2

    公开(公告)日：2016-01-12

    申请号：US13591300

    申请日：2012-08-22

    申请人： Jens Klein ,  Gerd Bettenwort ,  Markus Hopf

    发明人： Jens Klein ,  Gerd Bettenwort ,  Markus Hopf

    IPC分类号： G01R19/00 ,  G05F1/67

    CPC分类号： G05F1/67 ,  Y02E10/58

    摘要： A method for determining a maximum power point (MPP) of a photovoltaic generator (PV) by variation of at least one parameter of search voltage and search current, within a maximally searchable search area on a power/voltage curve is disclosed. The method includes initializing by defining a start point with a start voltage and a start current, searching for the maximum power point (MPP) in at least one search direction by repeated variation of the search voltage or search current in the search area taking account of at least two limiting conditions for limiting the search area, wherein at least one of the limiting conditions for limiting the search area are is determined with evaluation of parameters provided in an operating state already attained during the search, and ending the search if one of the at least two limiting conditions for limiting the search area is met.

    摘要翻译： 公开了一种通过在功率/电压曲线上的最大可搜索的搜索区域中的至少一个搜索电压和搜索电流参数的变化来确定光伏发电机（PV）的最大功率点（MPP）的方法。 该方法包括通过用开始电压和起始电流定义起始点进行初始化，通过在搜索区域中重复变化搜索电压或搜索电流来搜索至少一个搜索方向上的最大功率点（MPP），考虑到 用于限制搜索区域的至少两个限制条件，其中用于限制搜索区域的限制条件中的至少一个是通过在搜索期间已经获得的操作状态中提供的参数的评估来确定的，并且如果其中一个 限制搜索区域的至少两个限制条件得到满足。

    Method for activating a multi-string inverter for photovoltaic plants
    9.
    发明申请
    Method for activating a multi-string inverter for photovoltaic plants 有权
    激活光伏电站多串逆变器的方法

    公开(公告)号：US20090236917A1

    公开(公告)日：2009-09-24

    申请号：US12322916

    申请日：2009-02-09

    申请人： Gerd Bettenwort ,  Ralf Juchem ,  Matthias Victor ,  Tobias Muller

    发明人： Gerd Bettenwort ,  Ralf Juchem ,  Matthias Victor ,  Tobias Muller

    IPC分类号： H02J1/00

    CPC分类号： H02J1/102 ,  H02J3/383 ,  H02J3/385 ,  H02M3/1584 ,  H02M7/48 ,  H02M2001/007 ,  Y02E10/563 ,  Y02E10/58 ,  Y10T307/707

    摘要： A method of activating a Multi-String inverter for photovoltaic generators (1a, 1b) of a photovoltaic plant (6), the Multi-String inverter incorporating on the input side a separate DC-DC converter (2a, 2b) for each generator string (photovoltaic generator) (1a, 1b) and each output of the DC-DC converters (2a, 2b) being connected in parallel and to an input of a DC-AC converter (3) and the DC-AC converter (3) being connected with an alternating current mains (4) for feeding into the mains aims at improving efficiency. This is achieved in that one or several electrical variables, namely input current, input voltage and/or input power are measured at each DC-DC converter (2a, 2b) and at least one of the DC-DC converters (2a, 2b) changing its operating condition as a is function of this measurement when a limit value and/or a range is exceeded in such a manner that its power loss is reduced so that the energy yield of the photovoltaic plant (6) is increased.

    摘要翻译： 一种激活光伏电站（6）的光伏发电机（1a，1b）的多串联逆变器的方法，所述多串联逆变器在输入侧包括用于每个发电机串的单独的DC-DC转换器（2a，2b） （光电发生器）（1a，1b），DC-DC转换器（2a，2b）的每个输出并联连接到DC-AC转换器（3）和DC-AC转换器（3）的输入端 与交流电源（4）连接以供电到电源，旨在提高效率。 这是通过在每个DC-DC转换器（2a，2b）和至少一个DC-DC转换器（2a，2b）中测量一个或多个电变量，即输入电流，输入电压和/或输入功率， 当超过限制值和/或范围以减小其功率损耗使得光伏电站（6）的能量产量增加时，作为该测量的功能来改变其工作条件。

    String Failure Monitoring
    10.
    发明申请
    String Failure Monitoring 审中-公开
    字符串故障监视

    公开(公告)号：US20120197557A1

    公开(公告)日：2012-08-02

    申请号：US13410452

    申请日：2012-03-02

    申请人： Gerd Bettenwort ,  Jens Klein ,  Marc Schaefer ,  Jochen Fischer ,  Wolfgang Frees ,  Matthias Victor

    发明人： Gerd Bettenwort ,  Jens Klein ,  Marc Schaefer ,  Jochen Fischer ,  Wolfgang Frees ,  Matthias Victor

    IPC分类号： G01R31/02 ,  G06F19/00

    CPC分类号： H02S50/10

    摘要： A method of monitoring a plurality of strings of a photovoltaic system connected to a power inverter includes measuring current values from individual strings to the power inverter; determining a reference current value from the measured current values; and standardizing the measured current values to the reference current value. The method further includes and analyzing the standardized current values of individual strings within representative time periods by comparison with comparison values established for the individual strings. Based on the analysis a failure of an individual string is ascertained.

    摘要翻译： 监视连接到电力逆变器的光伏系统的多个串的方法包括测量从各个串到电力逆变器的电流值; 根据测量的电流值确定参考电流值; 并将测量的电流值标准化为参考电流值。 该方法还通过与针对各个字符串建立的比较值进行比较，在代表时间段内包括并分析各个字符串的标准化电流值。 基于分析，确定了单个字符串的失败。