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1. 发明授权

US08212409B2 Method for activating a multi-string inverter for photovoltaic plants 有权
标题翻译：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。

2. 发明申请

US20090236917A1 Method for activating a multi-string inverter for photovoltaic plants 有权
标题翻译：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。

3. 发明申请

US20120197557A1 String Failure Monitoring 审中-公开
标题翻译：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。

4. 发明申请

US20080106250A1 Method of monitoring a photvoltaic generator 有权
标题翻译：监测光伏发电机的方法
公开(公告)号：US20080106250A1
公开(公告)日：2008-05-08
申请号：US11978334
申请日：2007-10-29
申请人： Oliver Prior , Ralf Juchem , Matthias Victor
发明人： Oliver Prior , Ralf Juchem , Matthias Victor
IPC分类号： G01R23/02
CPC分类号： H02S50/10 , G01R31/02 , Y10S136/29
摘要： The subject matter of the present invention is a method for monitoring a photovoltaic generator (1) for generating current with a number of solar cells connected between two external connections by repeated feeding of a current with a frequency spectrum into the generator current circuit, detecting thereby a respective frequency response in the frequency spectrum with the supplied current as the input variable and an electric variable of the generator as the output variable, and detecting a change in the frequency response for monitoring the photovoltaic generator (1) in the event of a change during repeated feeding.
摘要翻译：本发明的主题是一种监测光电发生器（1）的方法，用于通过将频谱中的电流重复地馈送到发电机电流电路中，从而通过连接在两个外部连接之间的多个太阳能电池来产生电流，由此检测频率响应，频率响应，频率响应，频率响应，提供的电流作为输入变量，发电机的电动变量作为输出变量，以及检测变化的频率响应监测光伏发电机（1）在发生变化的情况下反复喂食。

5. 发明授权

US07812592B2 Method of monitoring a photovoltaic generator 有权
标题翻译：监测光伏发电机的方法
公开(公告)号：US07812592B2
公开(公告)日：2010-10-12
申请号：US11978334
申请日：2007-10-29
申请人： Oliver Prior , Ralf Juchem , Matthias Victor , Oliver Frank , Juergen Schlabbach
发明人： Oliver Prior , Ralf Juchem , Matthias Victor , Oliver Frank , Juergen Schlabbach
IPC分类号： G01R23/02 , H01L31/042 , G08B13/14
CPC分类号： H02S50/10 , G01R31/02 , Y10S136/29
摘要： The subject matter of the present invention is a method for monitoring a photovoltaic generator (1) for generating current with a number of solar cells connected between two external connections by repeated feeding of a current with a frequency spectrum into the generator current circuit, detecting thereby a respective frequency response in the frequency spectrum with the supplied current as the input variable and an electric variable of the generator as the output variable, and detecting a change in the frequency response for monitoring the photovoltaic generator (1) in the event of a change during repeated feeding.
摘要翻译：本发明的主题是一种监测光电发生器（1）的方法，用于通过将频谱中的电流重复地馈送到发电机电流电路中，从而通过连接在两个外部连接之间的多个太阳能电池来产生电流，由此检测频率响应，频率响应，频率响应，频率响应，提供的电流作为输入变量，发电机的电动变量作为输出变量，以及检测变化的频率响应监测光伏发电机（1）在发生变化的情况下反复喂食。

6. 发明申请

US20050286281A1 Method of converting a direct current voltage from a source of direct current voltage, more specifically from a photovoltaic couse of direct current voltage, into a alternating current voltage 有权
标题翻译：将来自直流电压源的直流电压更具体地从直流电压的光伏电池转换成交流电压的方法
公开(公告)号：US20050286281A1
公开(公告)日：2005-12-29
申请号：US11154094
申请日：2005-06-16
申请人： Matthias Victor , Frank Greizer , Sven Bremicker , Uwe Hubler
发明人： Matthias Victor , Frank Greizer , Sven Bremicker , Uwe Hubler
IPC分类号： H02M7/48 , H02M7/537
CPC分类号： H02M7/48 , H02J3/383 , Y02E10/563
摘要： An inverter is devised to avoid high-frequency voltages at input terminals and to allow good efficiency thanks to its simple and cost-optimized circuit layout. This is achieved by a method of converting a direct current voltage, more specifically from a photovoltaic source of direct current voltage, into an alternating current voltage at a frequency through a bridge circuit comprising switching elements (V1-V4) and free-wheeling elements (D1-D4), said switching elements (V1-V4) being on the one side gated at the frequency and on the other side clocked at a high clock rate, a direct current voltage circuit, an alternating current voltage circuit and a plurality of free-wheeling phases being provided. It is provided that, during the free-wheeling phases, the alternating current voltage circuit is decoupled from the direct current voltage circuit by means of a switching element disposed in the direct current voltage circuit, a free-wheeling current flowing through one of the free-wheeling elements (D1) in the bridge circuit when in the decoupled state.
摘要翻译：设计了一种逆变器，以避免输入端子处的高频电压，并且由于其简单且成本优化的电路布局，可以实现高效率。这是通过将直流电压更具体地从直流电压的光源转换成通过包括开关元件（V 1 -V 4）和续流的桥式电路的频率的交流电压的方法来实现的元件（D 1 -D 4），所述开关元件（V 1 -V 4）在一侧以在高时钟频率时钟的频率和另一侧选通，直流电压电路，交流电压电路和多个续流相。规定在续流阶段期间，交流电压电路通过设置在直流电压电路中的开关元件与直流电压电路分离，流过自由电流之一的续流电流（D1）在桥接电路中处于去耦状态。

7. 再颁专利

USRE44901E1 Method for converting direct voltage into three phase alternating voltage 有权
标题翻译：将直流电压转换为三相交流电压的方法
公开(公告)号：USRE44901E1
公开(公告)日：2014-05-20
申请号：US13212811
申请日：2011-08-18
申请人： Holger Becker , Guenther Cramer , Sven Bremicker , Thorsten Dingel , Bernd Engel , Wilfried Groote , Frank Greizer , Ralf Joachim Laschinski , Matthias Victor , Torben Westphal
发明人： Holger Becker , Guenther Cramer , Sven Bremicker , Thorsten Dingel , Bernd Engel , Wilfried Groote , Frank Greizer , Ralf Joachim Laschinski , Matthias Victor , Torben Westphal
IPC分类号： H02J1/12 , H02J3/00 , H02J5/00 , H03K19/00 , H02J3/38 , H02J7/34 , H02J1/00 , G05D17/00 , G05D3/12 , G05D5/00 , G05D9/00 , G05D11/00
CPC分类号： H02J3/383 , H02J3/26 , Y02E10/563 , Y02E40/50 , Y10T307/505 , Y10T307/511 , Y10T307/707
摘要： A method of converting a direct voltage generated by a decentralized power supply system into three-phase alternating voltage by means of a plurality of single-phase inverters (WR1-WR3), said alternating voltage being provided for supplying an electric mains, is intended to avoid inadmissible load unbalances using single-phase inverters. This is achieved in that, upon failure of one inverter (WR1-WR3), an asymmetrical power supply distribution is reduced by limiting the output of the other inverters. The method makes it possible to simplify three-phase voltage monitoring.
摘要翻译：一种通过多个单相逆变器（WR1-WR3）将由分散电源系统产生的直流电压转换为三相交流电压的方法，所述交流电压用于供电，避免使用单相逆变器不允许负载不平衡。这是通过一个逆变器（WR1-WR3）的故障来实现的，通过限制其他逆变器的输出来减小非对称的电源分配。该方法可以简化三相电压监测。

8. 发明申请

US20110298292A1 PHOTOVOLTAIC SYSTEM FOR FEEDING THREE-PHASE CURRENT INTO A POWER GRID 有权
标题翻译：用于将三相电流馈送到电网的光伏系统
公开(公告)号：US20110298292A1
公开(公告)日：2011-12-08
申请号：US13204957
申请日：2011-08-08
申请人： Sven Bremicker , Frank Greizer , Joachim Laschinski , Matthias Victor , Peter Simon
发明人： Sven Bremicker , Frank Greizer , Joachim Laschinski , Matthias Victor , Peter Simon
IPC分类号： H02M7/42
CPC分类号： H02J3/383 , H01L31/02021 , Y02E10/563 , Y10T307/707
摘要： The invention relates to a photovoltaic system for feeding three-phase current to a power grid that includes several monophase or three-phase photovoltaic inverters that can be connected to the power grid at the output end and are each fitted with a disconnecting device at the output end. The system includes several photovoltaic generators that are connected to the input end of the photovoltaic inverters. A central control and monitoring unit is connected between the photovoltaic inverters and the power grid. The control and monitoring unit has a grid monitoring device at the feeding point to the grid to measure one or more grid parameters. At least one communication link is provided between the individual photovoltaic inverters or the individual disconnecting devices and the connected central control and monitoring unit such that the connecting devices can disconnect the individual photovoltaic inverters from the power grid by means of a control instruction signal of the communication link. The central control and monitoring unit includes a load unbalance recognition component and a load unbalance regulation component, wherein the regulation includes limiting the power variation between the individual phases to a predetermined value.
摘要翻译：本发明涉及一种用于将三相电流馈送到电网的光伏系统，该电力系统包括若干单相或三相光伏逆变器，其可在输出端连接到电力网，并且在输出端分别装有断开装置结束。该系统包括连接到光伏逆变器的输入端的几个光伏发电机。光伏逆变器和电网之间连接一个中央控制和监控单元。控制和监测单元在电网的馈电点处具有网格监测装置，以测量一个或多个电网参数。在各个光伏逆变器或单独的断路装置和连接的中央控制和监测单元之间提供至少一个通信链路，使得连接装置可以通过通信的控制指令信号将各个光伏逆变器与电网断开链接。中央控制和监测单元包括负载不平衡识别部件和负载不平衡调节部件，其中所述调节包括将各个相之间的功率变化限制到预定值。

9. 发明申请

US20080302643A1 Inverter 有权
标题翻译：逆变器
公开(公告)号：US20080302643A1
公开(公告)日：2008-12-11
申请号：US12151169
申请日：2008-05-05
申请人： Matthias Victor , Manfred Dach , Andreas Donth , Sven Bremicker
发明人： Matthias Victor , Manfred Dach , Andreas Donth , Sven Bremicker
IPC分类号： H01H3/20
CPC分类号： H02M7/003
摘要： The subject matter of the invention is an inverter (1), comprising a casing (8) as well as at least one casing cover (2), said casing cover (2) being mechanically engaged with a safety plug (10), said safety plug (10) being in electrical connection with at least the one load-current circuit located on the DC side, the inverter being switched off or disconnected at least from the DC-side load-current circuit after removal of the safety plug from the casing (8).
摘要翻译：本发明的主题是逆变器（1），包括壳体（8）以及至少一个壳体盖（2），所述壳体盖（2）与安全插头（10）机械接合，所述安全插头（10）至少与位于直流侧的一个负载电流电路电连接，至少从直流侧负载电流电路断开或断开逆变器，从壳体中取出安全插头（8）。

10. 发明申请

US20080055941A1 Inverter 有权
标题翻译：逆变器
公开(公告)号：US20080055941A1
公开(公告)日：2008-03-06
申请号：US11977270
申请日：2007-10-23
申请人： Matthias Victor , Burkhard Muller , Andreas Falk
发明人： Matthias Victor , Burkhard Muller , Andreas Falk
IPC分类号： H02M3/335
CPC分类号： H02M7/003 , H02M3/158 , H02M3/337 , H02M7/53832 , H02M2001/007 , Y02B70/1425 , Y02B70/1433 , Y02B70/1441 , Y02E10/56 , Y02P80/112
摘要： An inverter (1) with galvanic separation including a resonant converter (2) and an upstream mounted boost chopper (3) is intended to provide galvanic separation in the context of a variable input and output voltage as it exists in photovoltaic systems, with the efficiency being intended to be optimized over the entire input voltage range. This is achieved in that a boost chopper (3) or a buck chopper (4) is mounted upstream of the resonant converter (2).
摘要翻译：具有电离分离的逆变器（1）包括谐振转换器（2）和上游安装的升压斩波器（3）旨在在可变输入和输出电压的背景下提供电流分离，如在光伏系统中存在的，其效率旨在在整个输入电压范围内进行优化。这是通过将升压斩波器（3）或降压斩波器（4）安装在谐振变换器（2）的上游来实现的。

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