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1. 发明申请

WO2017037496A1 SYSTEM HAVING ELECTRICAL MACHINE AND CONTROLLER 审中-公开
标题翻译：具有电机和控制器的系统
公开(公告)号：WO2017037496A1
公开(公告)日：2017-03-09
申请号：PCT/IB2015/001986
申请日：2015-08-29
申请人： ABB TECHNOLOGY LTD.
发明人： AHMED, Sara , PAN, Zhiguo , KIM, Hongrae
IPC分类号： H02P27/04
CPC分类号： H02P27/047 , H02P23/0077 , H02P27/08
摘要： A unique system may include a power absorber; an electrical machine coupled to the power absorber and operative to supply mechanical power to the power absorber; a drive coupled to the electrical machine and operative to supply electrical power to drive the electrical machine; and a controller communicatively coupled to the drive. The controller may be configured to execute program instructions to selectively vary a control voltage while maintaining a given torque output of the electrical machine, and to determine, based on varying the control voltage, a minimum current required for the electrical machine to maintain the given torque output.
摘要翻译：独特的系统可以包括功率吸收器; 电机，其耦合到所述功率吸收器并且可操作以向所述功率吸收器提供机械功率; 耦合到所述电机并且用于提供电力以驱动所述电机的驱动器的驱动器; 以及通信地耦合到所述驱动器的控制器。控制器可以被配置为执行程序指令以在保持电机的给定转矩输出的同时选择性地改变控制电压，并且基于改变控制电压来确定电机维持给定转矩所需的最小电流输出。

2. 发明申请

WO2014121826A1 SOLAR POWER PLANT, METHOD OF CONTROLLING A SOLAR POWER PLANT AND A DC/DC CONVERSION SYSTEM 审中-公开
标题翻译：太阳能发电厂，控制太阳能发电厂的方法和DC / DC转换系统
公开(公告)号：WO2014121826A1
公开(公告)日：2014-08-14
申请号：PCT/EP2013/052314
申请日：2013-02-06
申请人： ABB TECHNOLOGY LTD
发明人： MARINOPOULOS, Antonis , DOUKAS, Dimitrios , SASTRY, Jyoti , LAZARCZYK, Michal , BAKAS, Panagiotis , NALEPA, Radoslaw , AHMED, Sara
IPC分类号： H02J1/10 , H02J1/12 , H02J3/36 , H02J3/38
CPC分类号： H02J1/102 , H02J1/12 , H02J3/36 , H02J3/383 , H02J3/385 , Y02E10/563 , Y02E10/58 , Y02E60/60
摘要： A DC power conversion system, a solar power plant and a method of controlling a solar power plant are provided. The DC power conversion system is adapted for converting low voltage DC power from a plurality of DC power sources (2a-n) to a high voltage DC power transmission link. The DC power conversion system comprises a set of first DC/DC converters (4a-n), a medium voltage DC grid (5) and a second DC/DC converter (6) that comprises a high voltage DC output (8). Each DC/DC converter (4a-n) of the set of first DC/DC converters (4a-n) comprises a low voltage DC input (3a-n) adapted for connection to an array (2a-n) of low voltage DC power sources. The medium voltage DC grid (5) connects the set of first DC/DC converters (4a) to the second DC/DC converter (6). The solar power plant (1) comprises a plurality of photovoltaic modules as DC power sources and the DC power conversion system, wherein the photovoltaic modules (PV1, PV2, PVj) are arranged in a plurality of arrays (2a-n), and each array (2a-n) is arranged to feed DC power to a respective input (3a-n) of the low voltage inputs (3a-n) of the DC power conversion system. The method comprises controlling a power transfer from the arrays (2a-n) of interconnected photovoltaic modules (PV1, PV2, PVj), to a high voltage DC connection (8). The method comprises a first step of converting (32), wherein DC power supplied from each array (2a-n) is converted into DC power at a medium voltage DC level, which conversion includes performing a voltage and power control of each array (2a-n), and a second step of converting (34), wherein the medium voltage DC power is converted into DC power at a high voltage DC output (8) to a high voltage DC transmission link.
摘要翻译：提供了直流电力转换系统，太阳能发电厂和太阳能发电厂的控制方法。直流电力转换系统适于将来自多个直流电源（2a-n）的低压直流电力转换为高压直流电力传输链路。直流电力转换系统包括一组第一DC / DC转换器（4a-n），一个中压直流电网（5）和一个包括高压直流输出（8）的第二直流/直流转换器（6）。第一DC / DC转换器（4a-n）组中的每个DC / DC转换器（4a-n）包括适于连接到低压DC（2a-n）的阵列（2a-n）的低压DC输入（3a-n）电源中压直流电网（5）将第一DC / DC转换器（4a）组连接到第二DC / DC转换器（6）。太阳能发电厂（1）包括作为直流电源的多个光伏模块和直流电力转换系统，其中光伏模块（PV1，PV2，PVj）布置在多个阵列（2a-n）中，并且每个阵列（2a-n）布置成将DC电力馈送到DC电力转换系统的低电压输入（3a-n）的相应输入（3a-n）。该方法包括控制从互连的光伏模块（PV1，PV2，PVj）的阵列（2a-n）到高压DC连接（8）的功率传输。该方法包括：转换（32）的第一步骤，其中从每个阵列（2a-n）提供的直流电力被转换成中等电压DC电平的直流电力，该转换包括执行每个阵列（2a）的电压和功率控制 -n），以及转换（34）的第二步骤，其中所述中压DC功率在高压直流输出（8）被转换为高压DC传输链路的直流电力。

3. 发明申请

WO2014124672A1 METHOD OF CONTROLLING A SOLAR POWER PLANT, A POWER CONVERSION SYSTEM, A DC/AC INVERTER AND A SOLAR POWER PLANT 审中-公开
标题翻译：控制太阳能发电厂的方法，电力转换系统，直流/交流逆变器和太阳能发电厂
公开(公告)号：WO2014124672A1
公开(公告)日：2014-08-21
申请号：PCT/EP2013/052967
申请日：2013-02-14
申请人： ABB TECHNOLOGY LTD
发明人： BAKAS, Panagiotis , AHMED, Sara , LAZARCZYK, Michal , NALEPA, Radoslaw , MARINOPOULOS, Antonis , DOUKAS, Dimitrios , SASTRY, Jyoti
IPC分类号： H02J3/38
CPC分类号： H02J3/385 , H02M7/42 , Y02E10/58 , Y10T307/549
摘要： The present disclosure relates to a solar power plant including a power conversion system and a method of controlling the power conversion system. The control can be effectuated by means of one or more control unit (9, 10, 14) and the central control functions may be implemented in the control unit of a DC/AC inverter (6). The solar power plant comprises photovoltaic modules (PV modules) arranged in arrays (2a-d) of PV modules, each PV array (2a-d) having an interface (3a-d) connected to a respective DC/DC converters (4a-d). A power collecting grid (5) is arranged to provide an interface between the plurality of DC/DC converters (4a-d) and an input of the DC/AC inverter (6). The method comprises monitoring the performance of each PV array (2a-d), and includes a first and a second step of regulating. The first step of regulating (105), adjusts the voltage level of each interface between a PV array (2a-d) and the corresponding DC/DC converter (4a-d), this regulating is based on a performance model of the PV array (2a-d) and a theoretical efficiency of each DC /DC converter (4a-d), and includes monitoring the output power of each DC/DC converter (4a-d) and uses the monitored output power of each DC /DC converter (4a-d) as a feedback for the regulating. The second step of regulating (106) adjusts the voltage level of the power collecting grid (5), this regulating is based on a theoretical efficiency of the DC/AC inverter (6), and includes monitoring the output power of the DC/AC inverter (6) and using the monitored output power of the DC/AC inverter (6) as a feedback for controlling the regulating.
摘要翻译：本公开涉及包括电力转换系统和控制电力转换系统的方法的太阳能发电厂。可以通过一个或多个控制单元（9,10,14）来实现控制，并且中央控制功能可以在DC / AC逆变器（6）的控制单元中实现。太阳能发电厂包括以PV模块的阵列（2a-d）排列的光伏模块（PV模块），每个光伏阵列（2a-d）具有连接到相应DC / DC转换器（4a- D）。集电电网（5）被布置成提供多个DC / DC转换器（4a-d）和DC / AC逆变器（6）的输入之间的接口。该方法包括监视每个PV阵列（2a-d）的性能，并且包括调节的第一和第二步骤。调节（105）的第一步，调整PV阵列（2a-d）和对应的DC / DC转换器（4a-d）之间的每个接口的电压电平，该调节基于PV阵列的性能模型（2a-d）和每个DC / DC转换器（4a-d）的理论效率，并且包括监视每个DC / DC转换器（4a-d）的输出功率，并使用每个DC / DC转换器（4a-d）的监视的输出功率（4a-d）作为调节的反馈。调节（106）调节集电电网（5）的电压水平的第二步，这种调节是基于直流/交流逆变器（6）的理论效率，包括监控直流/交流电源的输出功率逆变器（6），并使用直流/交流逆变器（6）的监控输出功率作为控制调节的反馈。

4. 发明公开

EP2957014A1 METHOD OF CONTROLLING A SOLAR POWER PLANT, A POWER CONVERSION SYSTEM, A DC/AC INVERTER AND A SOLAR POWER PLANT 有权转让
标题翻译：一种用于控制太阳能系统，电气转换器，DC / AC转换器和太阳能系统
公开(公告)号：EP2957014A1
公开(公告)日：2015-12-23
申请号：EP13704117.4
申请日：2013-02-14
申请人： ABB Technology Ltd.
发明人： BAKAS, Panagiotis , AHMED, Sara , LAZARCZYK, Michal , NALEPA, Radoslaw , MARINOPOULOS, Antonis , DOUKAS, Dimitrios , SASTRY, Jyoti
IPC分类号： H02J3/38
CPC分类号： H02J3/385 , H02M7/42 , Y02E10/58 , Y10T307/549
摘要： The present disclosure relates to a solar power plant including a power conversion system and a method of controlling the power conversion system. The control can be effectuated by means of one or more control unit (9, 10, 14) and the central control functions may be implemented in the control unit of a DC/AC inverter (6). The solar power plant comprises photovoltaic modules (PV modules) arranged in arrays (2a-d) of PV modules, each PV array (2a-d) having an interface (3a-d) connected to a respective DC/DC converters (4a-d). A power collecting grid (5) is arranged to provide an interface between the plurality of DC/DC converters (4a-d) and an input of the DC/AC inverter (6). The method comprises monitoring the performance of each PV array (2a-d), and includes a first and a second step of regulating. The first step of regulating (105), adjusts the voltage level of each interface between a PV array (2a-d) and the corresponding DC/DC converter (4a-d), this regulating is based on a performance model of the PV array (2a-d) and a theoretical efficiency of each DC /DC converter (4a-d), and includes monitoring the output power of each DC/DC converter (4a-d) and uses the monitored output power of each DC /DC converter (4a-d) as a feedback for the regulating. The second step of regulating (106) adjusts the voltage level of the power collecting grid (5), this regulating is based on a theoretical efficiency of the DC/AC inverter (6), and includes monitoring the output power of the DC/AC inverter (6) and using the monitored output power of the DC/AC inverter (6) as a feedback for controlling the regulating.

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