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21. 发明授权

US09543852B2 Method and system for controlling a DC link voltage of a power converter connecting an electric generator of a wind turbine with a power grid 有权
标题翻译：用于控制将风力发电机的发电机与电网连接的功率转换器的直流链路电压的方法和系统
公开(公告)号：US09543852B2
公开(公告)日：2017-01-10
申请号：US13367491
申请日：2012-02-07
申请人： Heng Deng , Erik Groendahl
发明人： Heng Deng , Erik Groendahl
IPC分类号： H02P9/04 , H02M5/45
CPC分类号： H02M5/45 , Y02E10/76
摘要： A method is provided for controlling a DC link voltage of a power converter connecting an electric generator of a wind turbine with a power grid. The method includes determining the rotational speed of a rotor of the electric generator. The method further includes determining a strength of harmonic components of the rotational speed of the rotor, wherein the harmonic components have frequency components being different from a fundamental rotational frequency of the electric generator. The method also includes determining a damping reference signal as a function of the determined strength of the harmonic components, and controlling the DC link voltage of the power converter in response to the determined damping reference signal. A corresponding control system is also provided.
摘要翻译：提供了一种用于控制将风力涡轮机的发电机与电网连接的功率转换器的直流链路电压的方法。该方法包括确定发电机的转子的转速。该方法还包括确定转子的转速的谐波分量的强度，其中谐波分量具有与发电机的基本旋转频率不同的频率分量。该方法还包括根据确定的谐波分量的强度确定阻尼参考信号，以及响应于所确定的阻尼参考信号来控制功率转换器的DC链路电压。还提供了相应的控制系统。

22. 发明授权

US09444360B2 State quantity detection method in power converting apparatus and power converting apparatus 有权
标题翻译：电力转换装置和电力转换装置中的状态量检测方法
公开(公告)号：US09444360B2
公开(公告)日：2016-09-13
申请号：US12863974
申请日：2009-02-17
申请人： Kenichi Sakakibara
发明人： Kenichi Sakakibara
IPC分类号： H02M5/458 , H02M7/155 , H02M5/45 , H02M5/451 , H02M5/452
CPC分类号： H02M5/4585 , H02M5/4505 , H02M5/451 , H02M5/452 , H02M7/1557 , H02M2001/0009
摘要： A current-source converter includes high-arm side switching elements and low-arm side switching elements. A voltage between the DC power supply lines is detected as a line voltage of an input line, based on a conduction pattern of the high-arm side switching elements and the low-arm side switching elements.
摘要翻译：电流源转换器包括高臂侧开关元件和低臂侧开关元件。基于高臂侧开关元件和低臂侧开关元件的导通图案，将直流电源线之间的电压作为输入线的线电压进行检测。

23. 发明授权

US09407134B2 Systems and methods for limiting current inrush in electric drive systems 有权
标题翻译：限制电力驱动系统中电涌涌流的系统和方法
公开(公告)号：US09407134B2
公开(公告)日：2016-08-02
申请号：US14247442
申请日：2014-04-08
申请人： Baker Hughes Incorporated
发明人： Amin A. Moghadas , John M. Leuthen , Renato L. Pichilingue , Patrick B. Cochran
IPC分类号： H02P1/00 , H02P1/28 , H02P3/00 , H02P7/06 , H02M1/32 , H02M1/36 , H02M7/162 , H02M7/219 , H02M5/45 , H02M5/458 , H02M1/42
CPC分类号： H02M1/32 , H02M1/36 , H02M5/4505 , H02M5/4585 , H02M7/1626 , H02M7/219 , H02M2001/4291 , Y02B70/126
摘要： Systems and methods for controlling potentially damaging inrushes of current to the capacitor bank of an electric drive system when the voltage on the capacitor bank is low. In one embodiment, a variable speed drive has a converter that converts AC power to DC power, a capacitor bank that receives the DC power, and an inverter that converts the DC power stored by the capacitor bank to AC output power. The converter has three sections that rectify the phases of three-phase input power. Each section has at least one controlled rectifier component, and the rectifier components have switches connected to them in parallel. When the voltage on the capacitor bank is low, the controlled rectifiers and switches are controlled to prevent dangerously high inrushes of current to the capacitor bank.
摘要翻译：当电容器组上的电压低时，用于控制电驱动系统的电容器组的电流的潜在损坏的系统和方法。在一个实施例中，变速驱动器具有将AC功率转换为DC电力的转换器，接收DC电力的电容器组以及将由电容器组存储的DC电力转换为AC输出功率的逆变器。该转换器有三个部分来纠正三相输入电源的相位。每个部分具有至少一个可控整流器部件，并且整流器部件具有并联连接到它们的开关。当电容器组上的电压低时，控制的整流器和开关被控制，以防止对电容器组的电流的危险的高浪涌。

24. 发明授权

US09401656B2 Method of controlling power conversion apparatus 有权
标题翻译：电力转换装置的控制方法
公开(公告)号：US09401656B2
公开(公告)日：2016-07-26
申请号：US14431605
申请日：2013-09-02
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Keisuke Ohta
IPC分类号： H02M5/45 , H02M1/12 , H02M5/458 , H02M7/48 , H02M7/5387 , H02M1/00
CPC分类号： H02M5/4585 , H02M1/12 , H02M5/458 , H02M7/4826 , H02M7/53871 , H02M2001/0022 , H02P21/0003 , H02P21/05
摘要： A voltage of a reactor is detected. a correction is made on the basis of the voltage of the reactor so that a first voltage control rate command which is a ratio of an amplitude of an AC voltage to an average value of a DC voltage increases as a harmonic component of the DC voltage becomes higher and the first voltage control rate command decreases as an amplitude of an alternating current outputted from the power converter becomes larger, to generate a second voltage control rate command. A switching signal which is generated on the basis of the second voltage control rate command is given to the power converter.
摘要翻译：检测反应器的电压。基于电抗器的电压进行校正，使得作为直流电压的平均值的交流电压的幅度的比率的第一电压控制速度指令随着直流电压的谐波分量的增加而增加并且第一电压控制率指令随着从功率转换器输出的交流电的幅度变大而减小，以产生第二电压控制速率指令。基于第二电压控制速率指令产生的开关信号被提供给电力转换器。

25. 发明授权

US09343992B2 Power converter with low standby power consumption 有权
标题翻译：电源转换器具有低待机功耗
公开(公告)号：US09343992B2
公开(公告)日：2016-05-17
申请号：US13746581
申请日：2013-01-22
申请人： Peter Albert Thuler
发明人： Peter Albert Thuler
IPC分类号： H02M5/45 , H02M5/458 , H02M1/00
CPC分类号： H02M5/458 , H02M2001/0032 , Y02B70/16
摘要： A power converter for converting an AC input of between frequency F1 at voltage V1 and frequency F2 at voltage V2 into a stable AC output of frequency F3 and voltage V3 comprises an AC/DC/AC/AC/DC converter (100) that converts the AC input power (between F1, V1 to F2, V2) into a DC output DC1 as a function of the input (F1, V1 or F2, V2) and an inverter (200) that converts the DC output DC1 into an AC output AC2 of frequency F3 and voltage V3.
摘要翻译：用于将电压V1的频率F1和电压V2之间的频率F2的交流输入转换成频率为F3和电压V3的稳定的AC输出的电力转换器包括：AC / DC / AC / AC / DC转换器（100），其将作为输入（F1，V1或F2，V2）的函数的直流输出DC1和将直流输出DC1变换为交流输出AC2的逆变器（200），将交流输入功率（F1，V1〜F2，V2）的频率F3和电压V3。

26. 发明授权

US09294005B2 Method and apparatus for detecting AFE filter capacitor degradation 有权
标题翻译：用于检测AFE滤波电容器劣化的方法和装置
公开(公告)号：US09294005B2
公开(公告)日：2016-03-22
申请号：US14042753
申请日：2013-10-01
申请人： Rangarajan Tallam , Russel Kerkman
发明人： Rangarajan Tallam , Russel Kerkman
IPC分类号： H02M5/45 , H02M7/12 , G01R31/02 , H02M5/452 , H02M5/458 , G01R31/42
CPC分类号： H02M7/125 , G01R31/028 , G01R31/42 , H02M1/126 , H02M5/452 , H02M5/4585
摘要： Methods and systems are disclosed for detecting capacitor degradation in an input filter of an active front end power conversion system in which voltage and current sensing is performed to determine sequence component impedance asymmetry to detect filter capacitor degradation according to the value of an off-axis admittance matrix component for Delta or Y-connected filter capacitor banks without sensitivity to voltage unbalance, and with the capability to identify particular degraded capacitor locations based on individual impedance values.
摘要翻译：公开了用于检测有源前端功率转换系统的输入滤波器中的电容器劣化的方法和系统，其中执行电压和电流感测以确定顺序分量阻抗不对称性，以根据离轴导纳的值来检测滤波电容器劣化用于Delta或Y连接的滤波电容器组的矩阵分量，不对电压不平衡敏感，并且具有基于各个阻抗值识别特定劣化电容器位置的能力。

27. 发明授权

US09270191B2 Power condition units with MPPT 有权
标题翻译：带MPPT的电源单元
公开(公告)号：US09270191B2
公开(公告)日：2016-02-23
申请号：US13843772
申请日：2013-03-15
申请人： SolarCity Corporation
发明人： Lesley Chisenga , Gehan Anil Joseph Amaratunga , Cuauhtemoc Rodriguez
IPC分类号： H02M3/156 , H02M5/45 , H02J3/38 , H02M7/48 , H02M1/00
CPC分类号： H02M5/458 , H02J3/383 , H02J3/385 , H02M1/08 , H02M5/45 , H02M7/4807 , H02M2001/0009 , H02M2001/007 , Y02E10/563 , Y02E10/58
摘要： A power conditioning unit with maximum power point tracking (MPPT) for a dc power source in a photovoltaic panel is provided. The power conditioning unit includes a power injection control block having a sense input coupled to an energy storage capacitor on a dc link for controlling a dc-to-ac converter to control the injected mains power. The power injection control block tracks the maximum power point by measuring a signal on the dc link which depends on the power drawn from the dc power source, and thus there is no need to measure the dc voltage and current from the dc source. The measured signal is a ripple voltage level and the power injection control block controls the amplitude of an ac current output such that the amount of power transferred to the grid mains is dependent on the amplitude of a sinusoidal voltage component on the energy storage capacitor.
摘要翻译：提供了在光伏面板中用于直流电源的最大功率点跟踪功率调节单元（MPPT）。功率调节单元包括具有耦合到直流链路上的能量存储电容器的感测输入的功率注入控制块，用于控制dc-to-ac转换器以控制注入的主电源。功率注入控制块通过测量直流链路上取决于直流电源的功率的信号来跟踪最大功率点，因此不需要测量来自直流电源的直流电压和电流。测量的信号是纹波电压电平，功率注入控制块控制交流电流输出的幅度，使得传送到电网电源的功率量取决于储能电容器上的正弦电压分量的幅度。

28. 发明授权

US09270160B2 Repetitive servomechanism controller for uninterruptible power supply system 有权
标题翻译：用于不间断电源系统的重复伺服机构控制器
公开(公告)号：US09270160B2
公开(公告)日：2016-02-23
申请号：US14541667
申请日：2014-11-14
申请人： Liebert Corporation
发明人： Xian Chen
IPC分类号： H02M5/45 , H02M1/12 , H02J9/00 , H02M7/537
CPC分类号： H02M1/12 , H02J9/00 , H02J9/062 , H02M7/537 , H02M7/53873 , H02M7/53875 , H02M2007/53876
摘要： A repetitive servomechanism controller for a UPS system has an inner control loop and an outer control loop. The inner control loop regulates inverter current and the outer control loop regulates inverter voltage. The outer control loop includes a repetitive controller in combination with a harmonic servomechanism controller and a feed-forward controller.
摘要翻译：用于UPS系统的重复伺服机构控制器具有内部控制回路和外部控制回路。内部控制回路调节逆变器电流，外部控制回路调节逆变器电压。外部控制回路包括与谐波伺服机构控制器和前馈控制器组合的重复控制器。

29. 发明授权

US09225196B2 Rectifying-and-modulating circuit and wireless power receiver incorporating the same 有权
标题翻译：整流调制电路和包含该电路的无线电源接收器
公开(公告)号：US09225196B2
公开(公告)日：2015-12-29
申请号：US13970331
申请日：2013-08-19
申请人： RICHTEK TECHNOLOGY CORP.
发明人： Wei-Jen Huang , Tsung-Wei Huang , Shui-Mu Lin
IPC分类号： H03C1/54 , H02J7/02 , G06F1/32 , H02M1/42 , H02M5/45 , H02M3/335 , H02M3/158 , H02M5/458
CPC分类号： H02J50/12 , G06F1/3293 , H02J5/005 , H02J50/80 , H02M3/1588 , H02M3/33592 , H02M5/4505 , H02M5/4585 , H02M2001/4275
摘要： A wireless power receiver includes a power receiving circuit wirelessly receiving power transmitted from a wireless power transmitter so as to generate an induced current, and a rectifying-and-modulating circuit including first to eighth switches and a control unit. The control unit is operable to control operation of each of the first to eighth switches between conduction and non-conduction. Accordingly, the first to fourth switches cooperatively constitute a full-bridge rectifier for rectifying the induced current generated by the power receiving circuit, and each of the fifth to eighth switches is operable to switch synchronously with a respective one of the first to fourth switches or to became non-conducting, thereby changing an amplitude of the induced current.
摘要翻译：无线电力接收机包括无线接收从无线电力发射机发送的功率以产生感应电流的电力接收电路，以及包括第一至第八开关和控制单元的整流和调制电路。控制单元可操作以控制导通和非导通之间的第一至第八开关中的每一个的操作。因此，第一至第四开关协同地构成用于整流由电力接收电路产生的感应电流的全桥整流器，并且第五至第八开关中的每一个可操作以与第一至第四开关中的相应一个开关同步地切换，变成不导通，从而改变感应电流的幅度。

30. 发明授权

US09184654B2 Assembly for converting an input AC voltage to an output AC voltage 有权
标题翻译：用于将输入AC电压转换为输出AC电压的组件
公开(公告)号：US09184654B2
公开(公告)日：2015-11-10
申请号：US13978708
申请日：2011-12-02
申请人： Asle Einar Skjellnes
发明人： Asle Einar Skjellnes
IPC分类号： H02M1/36 , H02M1/32 , H02M1/42 , H02M5/45 , H02M7/162 , H02M1/00
CPC分类号： H02M1/36 , H02M1/32 , H02M1/4225 , H02M1/4233 , H02M5/45 , H02M5/4505 , H02M7/1626 , H02M2001/0077 , Y02B70/126
摘要： An assembly for converting an assembly input AC voltage to an assembly output AC voltage may include: plural converters, each including a rectifier stage for rectifying an input AC voltage to a DC voltage, the rectifier including: first and second input terminals between which the input AC voltage is applied; first and second thyristors connected in series, wherein the first input terminal is connected between the first and second thyristors; first and second diodes connected in series, wherein the second input terminal is connected between the first and second diodes; and first and second output terminals between which the DC voltage is achieved, wherein the first thyristor and the first diode are connected to the first output terminal, and the second thyristor and the second diode are at least indirectly connected to the second output terminal.
摘要翻译：用于将组装输入AC电压转换为组件输出AC电压的组件可以包括：多个转换器，每个转换器包括用于将输入AC电压整流为DC电压的整流器级，整流器包括：第一和第二输入端子，输入端交流电压施加; 第一和第二晶闸管串联连接，其中第一输入端连接在第一和第二晶闸管之间; 第一和第二二极管串联连接，其中第二输入端连接在第一和第二二极管之间; 以及在其间实现DC电压的第一和第二输出端子，其中第一晶闸管和第一二极管连接到第一输出端子，并且第二晶闸管和第二二极管至少间接地连接到第二输出端子。

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