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11. 发明申请

US20110075456A1 POWER CONVERSION CONTROL SYSTEM 有权
标题翻译：功率转换控制系统
公开(公告)号：US20110075456A1
公开(公告)日：2011-03-31
申请号：US12569160
申请日：2009-09-29
申请人： Zhuohui Tan , Robert William Delmerico , Xiaoming Yuan , Haiqing Weng
发明人： Zhuohui Tan , Robert William Delmerico , Xiaoming Yuan , Haiqing Weng
IPC分类号： H02M7/44 , H03L7/00
CPC分类号： H02M7/48 , H02J3/40 , H02M2007/53876
摘要： A power distribution system comprises a power conversion module for performing power conversion between a DC voltage at a DC side and an AC power at an AC side, and a conversion control system. The AC side of the power conversion module is electrically coupled to a grid. The conversion control system includes a phase-locked-loop circuit for receiving a multi-phase reference signal of a grid voltage and for generating a synchronized signal, a regulator for receiving reference commands, a two-phase grid feedback signal, and the synchronized signal and for generating a control signal for the power conversion module, and a phase compensation circuit for receiving the synchronized signal and the multi-phase reference signal of the grid voltage, for obtaining a phase displacement signal, and for generating a phase compensation signal for compensating the reference commands or for compensating the synchronized signal when the phase displacement signal exceeds a threshold value.
摘要翻译：配电系统包括用于在直流侧的DC电压和AC侧的AC电力之间进行电力转换的电力转换模块和转换控制系统。电力转换模块的AC侧电耦合到电网。转换控制系统包括用于接收电网电压的多相参考信号并用于产生同步信号的锁相环电路，用于接收参考命令的调节器，两相电网反馈信号和同步信号并且用于产生用于电力转换模块的控制信号，以及用于接收电网电压的同步信号和多相参考信号的相位补偿电路，以获得相位位移信号，并产生用于补偿的相位补偿信号参考命令或用于当相位位移信号超过阈值时补偿同步信号。

12. 发明申请

US20110018281A1 SYSTEM AND METHOD FOR CONTROLLING TORQUE RIPPLES IN SYNCHRONOUS MACHINES 有权
标题翻译：同步机控制扭矩的系统与方法
公开(公告)号：US20110018281A1
公开(公告)日：2011-01-27
申请号：US12899918
申请日：2010-10-07
申请人： Zhuohui Tan , Xiaoming Yuan , Changyong Wang , Ronghai Qu , Robert William Delmerico , Patrick Lee Jansen
发明人： Zhuohui Tan , Xiaoming Yuan , Changyong Wang , Ronghai Qu , Robert William Delmerico , Patrick Lee Jansen
IPC分类号： H02P9/04 , F03D9/00
CPC分类号： H02P6/183 , H02P9/42 , H02P21/22 , H02P29/50 , H02P2101/15
摘要： A system for controlling torque ripple in a permanent magnet synchronous machine includes a power converter configured to be coupled to the permanent magnet synchronous machine and to receive converter control signals and a system controller coupled to the power converter. The system controller includes a fundamental current controller configured for providing fundamental voltage commands, a harmonic current controller configured for using harmonic current commands, current feedback signals from the permanent magnet machine, and fundamental current commands in combination with positive and negative sequence regulators to obtain harmonic voltage commands, and summation elements configured for adding the fundamental voltage commands and the harmonic voltage commands to obtain the converter control signals.
摘要翻译：一种用于控制永磁同步电机中的转矩脉动的系统，包括配置为耦合到永磁同步电机并接收转换器控制信号的电力转换器和耦合到功率转换器的系统控制器。系统控制器包括配置用于提供基本电压命令的基波电流控制器，配置为使用谐波电流指令的谐波电流控制器，来自永磁电机的电流反馈信号以及与正序和负序调节器组合的基波电流命令以获得谐波电压指令以及被配置用于增加基本电压指令和谐波电压指令以获得转换器控制信号的求和元件。

13. 发明申请

US20090159460A1 ELECTRODIALYSIS DEVICE AND PROCESS 有权
标题翻译：电子装置和工艺
公开(公告)号：US20090159460A1
公开(公告)日：2009-06-25
申请号：US12016518
申请日：2008-01-18
申请人： Yu Du , Yunfeng Liu , Saijun Mao , Xiaoming Yuan , Chao Yang , Rihua Xiong , Chun Cao , Shengxian Wang , Wei Cai , Chang Wei , Jiyang Xia
发明人： Yu Du , Yunfeng Liu , Saijun Mao , Xiaoming Yuan , Chao Yang , Rihua Xiong , Chun Cao , Shengxian Wang , Wei Cai , Chang Wei , Jiyang Xia
IPC分类号： B01D61/42 , C02F1/461
CPC分类号： B01D61/44 , B01D61/52 , B01D65/08 , B01D2313/48 , B01D2321/223 , B01D2321/226 , C02F1/469 , C02F1/4693 , C02F2103/08 , C02F2201/4613 , C02F2201/4615 , C02F2201/4616 , Y02A20/131 , Y02A20/134
摘要： A device includes a first electrode and a second electrode spaced from the first electrode to define a volume. An anion exchange membrane and a cation exchange membrane are disposed within the volume. A controller controls a supply of electrical current from an electrical source to the first electrode and to the second electrode. The electrical current supply is controlled to switch from a first mode of operation to a second mode of operation providing electrical current having a reverse polarity during each cycle. The electrical current is supplied at a controlled cycle rate and for a controlled duration. The cycle rate is greater than about 100 hertz and less than about 10 kilohertz.
摘要翻译：器件包括第一电极和与第一电极间隔开的第二电极以限定体积。阴离子交换膜和阳离子交换膜设置在体积内。控制器控制从电源到第一电极和第二电极的电流供应。控制电流源从第一操作模式切换到第二操作模式，从而在每个循环期间提供具有相反极性的电流。以受控的周期速率和持续的持续时间提供电流。循环速率大于约100赫兹，小于约10千赫兹。

14. 发明授权

US09190923B2 System and method for converter switching frequency control 有权
标题翻译：转换器开关频率控制的系统和方法
公开(公告)号：US09190923B2
公开(公告)日：2015-11-17
申请号：US13483776
申请日：2012-05-30
申请人： Xiaoming Yuan , Haiqing Weng , Zhuohui Tan , Yunfeng Liu , Wenqiang Yang , Pengcheng Zhu
发明人： Xiaoming Yuan , Haiqing Weng , Zhuohui Tan , Yunfeng Liu , Wenqiang Yang , Pengcheng Zhu
IPC分类号： F03D7/00 , H02M5/458 , F03D9/00 , H02M1/00 , H02P9/02
CPC分类号： H02M5/458 , F03D9/25 , F03D9/257 , H02J3/383 , H02J3/386 , H02M1/00 , H02M1/12 , H02M7/487 , H02M2001/0048 , H02P9/02 , Y02B70/1491 , Y02E10/563 , Y02E10/763
摘要： A system for power conversion includes a power converter having switching elements, a detector, and a controller is provided. The detector detects a parameter and provides electrical signals indicative of the parameter. The controller receives the electrical signals transmitted from the detector, and sends commands to instruct the power converter to perform power conversion by operating the switching elements in accordance with switching signals at a different frequency in response to a detection of the system condition. A method for operating the system is also provided.
摘要翻译：一种用于电力转换的系统包括具有开关元件的功率转换器，检测器和控制器。检测器检测参数并提供指示参数的电信号。控制器接收从检测器发送的电信号，并且响应于系统状况的检测，发送命令以指示功率转换器根据不同频率的切换信号操作开关元件来执行功率转换。还提供了一种用于操作系统的方法。

15. 发明申请

US20130119882A1 SYSTEM AND METHOD FOR DRIVING LIGHT EMITTING DIODES 有权
标题翻译：用于驱动发光二极管的系统和方法
公开(公告)号：US20130119882A1
公开(公告)日：2013-05-16
申请号：US13810109
申请日：2011-06-14
申请人： Saijun Mao , Yunfeng Liu , Xiaoming Yuan , Yingqi Zhang , Charles Adrian Becker , Junhui Fei , Jian Wang
发明人： Saijun Mao , Yunfeng Liu , Xiaoming Yuan , Yingqi Zhang , Charles Adrian Becker , Junhui Fei , Jian Wang
IPC分类号： H05B37/02
CPC分类号： H05B37/02 , H05B33/0815 , H05B33/0824
摘要： A system having an alternating current (AC) driven LED unit, an AC voltage regulator, and a controller is provided. The AC driven LED unit includes a first LED and a second LED coupled in reverse parallel. The AC voltage regulator is operable to receive AC voltage originating from an AC voltage source, regulate the AC voltage according to control signals from the controller, and apply regulated AC voltage to the AC driven LED unit, so as to enable the first LED and the second LED to emit light according to the regulated AC voltage. In addition, a method is provided for driving the LED by regulating the AC voltage. By regulating the AC voltage using the AC voltage regulator, benefits of restraining voltage fluctuations, reducing THD, improving power factor, providing dimming control, and mitigating flicker phenomenon can be achieved.
摘要翻译：提供具有交流（AC）驱动的LED单元，AC电压调节器和控制器的系统。 AC驱动的LED单元包括第一LED和反向并联耦合的第二LED。交流电压调节器可以接收来自交流电压源的交流电压，根据控制器的控制信号调节交流电压，并对交流驱动的LED单元施加调节的交流电压，以使第一个LED和第二个LED根据调节的交流电压发光。此外，提供了通过调节AC电压来驱动LED的方法。通过使用交流电压调节器调节交流电压，可以实现抑制电压波动，降低THD，提高功率因数，提供调光控制和减轻闪烁现象的优点。

16. 发明授权

US08344550B2 Power conversion control with energy storage 有权
标题翻译：电能转换控制与储能
公开(公告)号：US08344550B2
公开(公告)日：2013-01-01
申请号：US12974104
申请日：2010-12-21
申请人： Robert William Delmerico , Xiaoming Yuan
发明人： Robert William Delmerico , Xiaoming Yuan
IPC分类号： H02M5/45
CPC分类号： H02J3/32 , H02J3/382 , Y02E70/30 , Y10T307/707
摘要： A power generation system includes a renewable power source for producing source power; a source side converter for converting the source power to converted DC power; a source side controller for driving the converted DC power towards a maximum power point; a DC link for receiving the converted DC power; a grid side converter coupled to the DC link for converting DC link power from the DC link to AC output power for a grid; a grid side controller for controlling the AC output power of the grid side converter to achieve grid interconnection requirements; an electrical energy storage device; an energy storage converter coupling the energy storage device to the DC link; an energy storage controller for controlling the energy storage converter to achieve a desired power balance on the DC link.
摘要翻译：发电系统包括用于产生源功率的可再生电源; 源极侧转换器，用于将源极功率转换为转换的直流电力; 源极侧控制器，用于朝向最大功率点驱动转换的DC电力; 用于接收转换的DC电力的DC链路; 耦合到DC链路的电网侧转换器，用于将来自DC链路的DC链路功率转换成用于电网的AC输出功率; 电网侧控制器，用于控制电网侧转换器的交流输出功率，实现电网互连要求; 电能存储装置; 将所述能量存储装置耦合到所述DC链路的能量存储转换器; 能量存储控制器，用于控制能量存储转换器以在DC链路上实现期望的功率平衡。

17. 发明申请

US20120063179A1 SYSTEM AND METHOD FOR DAMPING LC CIRCUITS IN POWER CONVERSION SYSTEMS 有权
标题翻译：电力转换系统中LC电路的阻尼系统及方法
公开(公告)号：US20120063179A1
公开(公告)日：2012-03-15
申请号：US13080321
申请日：2011-04-05
申请人： Maozhong Gong , Zhuohui Tan , Xiaoming Yuan , Xueqin Wu
发明人： Maozhong Gong , Zhuohui Tan , Xiaoming Yuan , Xueqin Wu
IPC分类号： H02M1/12
CPC分类号： H02M7/48 , H02J3/383 , H02J3/386 , H02M1/12 , Y02E10/563 , Y02E10/763
摘要： A power conversion system comprises a power converter comprising a plurality of semiconductor power switches, an LC filter coupled between an output of the power converter and an electric grid, and a power conversion control system. The LC filter comprises an inductor coupled in series to the electric grid, and a capacitor. The LC filter and the grid result in an equivalent LC circuit comprising an impedance of the LC filter and an impedance of the electric grid. The power conversion control system comprises a damper and a converter controller. The damper receives an LC filter signal and an equivalent LC circuit impedance signal and generates a damping signal. The converter controller receives a current or voltage reference signal, a current or voltage command signal, and the damping signal to generate control signals for driving switching operations of the semiconductor power switches.
摘要翻译：电力转换系统包括功率转换器，其包括多个半导体功率开关，耦合在功率转换器的输出和电网之间的LC滤波器和电力转换控制系统。 LC滤波器包括与电网串联耦合的电感器和电容器。 LC滤波器和电网产生包括LC滤波器的阻抗和电网的阻抗的等效LC电路。电力转换控制系统包括阻尼器和转换器控制器。阻尼器接收LC滤波器信号和等效LC电路阻抗信号并产生阻尼信号。转换器控制器接收电流或电压参考信号，电流或电压指令信号和阻尼信号，以产生用于驱动半导体功率开关的开关操作的控制信号。

18. 发明申请

US20100301985A1 HIGH-VOLTAGE POWER GENERATION SYSTEM AND PACKAGE 有权
标题翻译：高压发电系统和封装
公开(公告)号：US20100301985A1
公开(公告)日：2010-12-02
申请号：US12474569
申请日：2009-05-29
申请人： Jing Luo , Saijun Mao , Yunfeng Liu , Denis Perrillat-Amede , Philippe Ernest , Xiaoming Yuan
发明人： Jing Luo , Saijun Mao , Yunfeng Liu , Denis Perrillat-Amede , Philippe Ernest , Xiaoming Yuan
IPC分类号： H01F17/04
CPC分类号： H05G1/12 , H02M7/103
摘要： A power generation system comprises a power source, a transformer module for converting a low voltage from the power source into a higher voltage, and a voltage-multiplier module for amplifying higher voltage from the transformer module. The transformer module comprises a number N of transformer units. Each transformer unit comprises at least one transformer, and each transformer comprises a magnetic core, a primary winding, and a secondary winding. Primary windings of the transformers in the transformer module are electrically coupled in parallel to the power source, secondary windings of the transformers of each transformer unit comprise a pair of output terminal, and N is equal to or greater than two. The voltage-multiplier module comprises the number N of multipliers. Each multiplier module comprises a positive and a negative input terminal, and a positive and a negative output terminal. Positive and negative terminals of each multiplier are electrically coupled to the positive and negative output terminals of a corresponding transformer unit, and positive and negative output terminals of the multipliers are connected in series.
摘要翻译：发电系统包括电源，用于将来自电源的低电压转换为更高电压的变压器模块，以及用于从变压器模块放大更高电压的电压 - 倍增器模块。变压器模块包括N个变压器单元。每个变压器单元包括至少一个变压器，并且每个变压器包括磁芯，初级绕组和次级绕组。变压器模块中的变压器的初级绕组与电源并联电耦合，每个变压器单元的变压器的次级绕组包括一对输出端子，并且N等于或大于2。电压倍增器模块包括N个乘法器。每个乘法器模块包括正输入端和负输入端，以及正输出端和负输出端。每个乘法器的正和负端子电耦合到相应变压器单元的正和负输出端子，并且乘法器的正和负输出端子串联连接。

19. 发明申请

US20090085354A1 SYSTEM AND METHOD FOR CONTROLLING TORQUE RIPPLES IN SYNCHRONOUS MACHINES 有权
标题翻译：同步机控制扭矩的系统与方法
公开(公告)号：US20090085354A1
公开(公告)日：2009-04-02
申请号：US11863352
申请日：2007-09-28
申请人： Zhuohui Tan , Xiaoming Yuan , Changyong Wang , Ronghai Qu , Robert William Delmerico , Patrick Lee Jansen
发明人： Zhuohui Tan , Xiaoming Yuan , Changyong Wang , Ronghai Qu , Robert William Delmerico , Patrick Lee Jansen
IPC分类号： F03D9/00 , H02P6/10 , H02P9/00 , H02P9/14
CPC分类号： H02P6/183 , H02P9/42 , H02P21/22 , H02P29/50 , H02P2101/15
摘要： A system for controlling torque ripple in a permanent magnet synchronous machine includes a power converter configured to be coupled to the permanent magnet synchronous machine and to receive converter control signals and a system controller coupled to the power converter. The system controller includes a fundamental current controller configured for providing fundamental voltage commands, a harmonic current controller configured for using harmonic current commands, current feedback signals from the permanent magnet machine, and fundamental current commands in combination with positive and negative sequence regulators to obtain harmonic voltage commands, and summation elements configured for adding the fundamental voltage commands and the harmonic voltage commands to obtain the converter control signals.
摘要翻译：一种用于控制永磁同步电机中的转矩脉动的系统，包括配置为耦合到永磁同步电机并接收转换器控制信号的电力转换器和耦合到功率转换器的系统控制器。系统控制器包括配置用于提供基本电压命令的基波电流控制器，配置为使用谐波电流指令的谐波电流控制器，来自永磁电机的电流反馈信号以及与正序和负序调节器组合的基波电流命令以获得谐波电压指令以及被配置用于增加基本电压指令和谐波电压指令以获得转换器控制信号的求和元件。

20. 发明申请

US20070159265A1 Apparatus, method and computer program product for tracking information in an electric grid 有权
标题翻译：用于跟踪电网信息的装置，方法和计算机程序产品
公开(公告)号：US20070159265A1
公开(公告)日：2007-07-12
申请号：US11329248
申请日：2006-01-10
申请人： Haiqing Weng , John D'Atre , Robert Seymour , Allen Ritter , Xiaoming Yuan , Renchang Dai , Robert Delmerico
发明人： Haiqing Weng , John D'Atre , Robert Seymour , Allen Ritter , Xiaoming Yuan , Renchang Dai , Robert Delmerico
IPC分类号： H03L7/00
CPC分类号： G01R19/2513 , H04B2203/5466
摘要： An apparatus for rapidly tracking fundamental frequency information in the signal of an electric grid is a cross-coupled phase-lock loop filter (CCPLL) that includes the use of a phase-lock-loop (PLL) apparatus having a plurality individual filters, wherein an input for a first filter in the plurality of individual filters comprises the signal of the electric grid and an output signal from at least a second filter in the plurality of individual filters. A method for using the CCPLL includes applying a signal to the CCPLL and monitoring the output of the CCPLL. Use of the CCPLL may be accomplished or modeled via computer instructions stored on machine readable media.
摘要翻译：一种用于在电网信号中快速跟踪基频信息的装置是交叉耦合锁相环路滤波器（CCPLL），其包括使用具有多个单独滤波器的锁相环（PLL）装置，其中多个单独滤波器中的第一滤波器的输入包括电网的信号和来自多个单独滤波器中的至少第二滤波器的输出信号。使用CCPLL的方法包括将信号应用于CCPLL并监视CCPLL的输出。 CCPLL的使用可以通过存储在机器可读介质上的计算机指令来实现或建模。

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