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1. 发明授权

US08928441B2 Liquid cooled magnetic component with indirect cooling for high frequency and high power applications 有权
标题翻译：液冷式磁性元件，间接冷却用于高频和高功率应用
公开(公告)号：US08928441B2
公开(公告)日：2015-01-06
申请号：US13275544
申请日：2011-10-18
申请人： Satish Prabhakaran , Konrad Roman Weeber , Richard S. Zhang , Charles Michael Stephens , Mark Edward Dame , Yang Cao
发明人： Satish Prabhakaran , Konrad Roman Weeber , Richard S. Zhang , Charles Michael Stephens , Mark Edward Dame , Yang Cao
IPC分类号： H01F27/08 , H01F27/10 , H05B6/10 , H01F27/28 , H01F27/32
CPC分类号： H01F27/2876 , H01F27/10 , H01F27/32
摘要： A magnetic component such as a transformer or inductor comprises one or more litz-wire windings and one or more metallic cooling tube windings. Each litz-wire winding is wound together with a corresponding single metallic cooling tube winding on a common bobbin to provide an indirectly-cooled magnetic component.
摘要翻译：诸如变压器或电感器的磁性部件包括一个或多个绞合线绕组和一个或多个金属冷却管绕组。每个绞合线绕组与相应的单个金属冷却管绕组缠绕在共同的线轴上，以提供间接冷却的磁性部件。

2. 发明申请

US20100014325A1 AC-AC CONVERTER WITH HIGH FREQUENCY LINK 有权
标题翻译：具有高频链路的AC-AC转换器
公开(公告)号：US20100014325A1
公开(公告)日：2010-01-21
申请号：US12173549
申请日：2008-07-15
申请人： Ravisekhar Nadimpalli Raju , Richard S. Zhang , Ljubisa Dragolijub Stevanovic , Jeffrey Neal Slotnick , Robert Louis Steigerwald , Luis Jose Garces
发明人： Ravisekhar Nadimpalli Raju , Richard S. Zhang , Ljubisa Dragolijub Stevanovic , Jeffrey Neal Slotnick , Robert Louis Steigerwald , Luis Jose Garces
IPC分类号： H02M5/45
CPC分类号： H02M5/458 , H02M5/271
摘要： An AC-AC Converter for an AC source which in one embodiment has a first rectifier section rectifying the AC source into a first pulsed DC link voltage signal and a high frequency modulating section coupled to the first pulsed DC link voltage signal and producing a high frequency AC voltage signal. A high frequency transformer is coupled to the high frequency AC voltage signal producing a transformed high frequency AC signal. There is a second rectifier section coupled to the transformed high frequency AC signal and producing a second pulsed DC voltage signal and an unfolder section coupled to the second pulsed DC voltage signal and producing an output AC signal.
摘要翻译：一种用于AC电源的AC-AC转换器，其在一个实施例中具有将AC源整流为第一脉冲DC链路电压信号的第一整流器部分和耦合到第一脉冲DC链路电压信号的高频调制部分，并产生高频交流电压信号。高频变压器耦合到产生变换的高频AC信号的高频AC电压信号。存在耦合到变换的高频AC信号并产生第二脉冲DC电压信号的第二整流器部分和耦合到第二脉冲DC电压信号并产生输出AC信号的非转储部分。

3. 发明授权

US07633770B2 Collection and transmission system 有权
标题翻译：收集和传输系统
公开(公告)号：US07633770B2
公开(公告)日：2009-12-15
申请号：US11608570
申请日：2006-12-08
申请人： Rajib Datta , Christof Martin Sihler , Richard S. Zhang
发明人： Rajib Datta , Christof Martin Sihler , Richard S. Zhang
IPC分类号： H02J3/36 , H02M5/44
CPC分类号： H02M7/49
摘要： A collection and transmission system includes: a system direct current (DC) link configured for carrying power from a source to a grid; and alternating current (AC) to DC power converter modules coupled in series to the system DC link on a source side of the system DC link, each power converter module configured for being coupled to one or more sources on the source side, wherein each power converter module is configured to short circuit the DC terminals of the power converter module upon receipt of a respective command signal.
摘要翻译：收集和传输系统包括：被配置为将动力从源传送到电网的系统直流（DC）链路; 以及交流（AC）到串联耦合到系统DC链路的源极侧的系统DC链路的DC功率转换器模块，每个功率转换器模块被配置为耦合到源侧的一个或多个源，其中每个功率转换器模块被配置为在接收到相应的命令信号时短路功率转换器模块的DC端子。

4. 发明申请

US20090003020A1 Cross current control for power converter system 有权
标题翻译：电源转换器系统的交流电流控制
公开(公告)号：US20090003020A1
公开(公告)日：2009-01-01
申请号：US11823714
申请日：2007-06-27
申请人： Richard S. Zhang , Changyong Wang , Zhuohui Tan , Haiqing Weng
发明人： Richard S. Zhang , Changyong Wang , Zhuohui Tan , Haiqing Weng
IPC分类号： H02J3/00
CPC分类号： H02M5/4585 , H02M1/32 , H02M7/17 , H02M7/493 , H02M2001/123
摘要： A system and method for controlling cross current in an interleaved power converter system having a plurality of converter threads coupled in parallel includes collecting a feedback current from each thread and obtaining a normal current and a differential mode current for each thread, based on its respective feedback current. The normal current of each thread is regulated to a commanded thread normal current value via a respective normal current control loop based on d-q rotating frame parameters. A differential mode cross current of each thread is regulated to zero via a respective differential mode cross current control loop based on d-q rotating frame parameters; while a differential mode cross current DC offset of each thread is regulated to zero via a respective differential mode cross current control loop based on stationary frame parameters.
摘要翻译：一种用于控制具有并联耦合的多个转换器线程的交错电力转换器系统中的交叉电流的系统和方法包括：收集来自每个线程的反馈电流，并且基于其各自的反馈获得每个线程的正常电流和差模电流当前。基于d-q旋转帧参数，通过相应的正常电流控制回路将每个线程的正常电流调节到指令线程的正常电流值。通过基于d-q旋转帧参数的相应的差模交叉电流控制回路将每个线程的差模交叉电流调节为零; 而每个线程的差模交叉电流DC偏移通过基于固定帧参数的相应差模交叉电流控制回路调节为零。

5. 发明申请

US20080304296A1 DC-DC and DC-AC power conversion system 失效
标题翻译： DC-DC和DC-AC电源转换系统
公开(公告)号：US20080304296A1
公开(公告)日：2008-12-11
申请号：US11810825
申请日：2007-06-06
申请人： Ravisekhar NadimpalliRaju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
发明人： Ravisekhar NadimpalliRaju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
IPC分类号： H02M1/14 , H02M7/00
CPC分类号： H02J4/00 , H02M1/14 , H02M7/217 , H02M2001/007
摘要： A galvanic isolated DC-DC and DC-AC power conversion system is coupled to a plurality of DC sources which are derived from a combination of a plurality of single-phase and three-phase AC-DC converters. The DC-DC and DC-AC power conversion system in one embodiment is configured to provide mixed type outputs (mixed frequency, e.g. DC with 50 or 60 Hz, with 400 Hz; mixed voltage levels).
摘要翻译：电流隔离DC-DC和DC-AC电力转换系统耦合到从多个单相和三相AC-DC转换器的组合导出的多个DC源。一个实施例中的DC-DC和DC-AC电力转换系统被配置为提供混合型输出（混合频率，例如具有50Hz或60Hz的DC，具有400Hz;混合电压电平）。

6. 发明授权

US06765452B2 Method and apparatus for damping an LC filter 有权
标题翻译：用于阻尼LC滤波器的方法和装置
公开(公告)号：US06765452B2
公开(公告)日：2004-07-20
申请号：US10212390
申请日：2002-08-06
申请人： Xiaoming Yuan , Fei Wang , Richard S. Zhang
发明人： Xiaoming Yuan , Fei Wang , Richard S. Zhang
IPC分类号： H03G1104
CPC分类号： H02M1/12 , H02M7/53871
摘要： A method for damping an LC filter coupled to a converter and generating a filter signal. The method comprises sensing the filter signal and processing the filter signal to generate a corresponding feedback signal. The feedback signal is subtracted from a controller signal to generate a difference signal. The difference signal is used for damping the LC filter.
摘要翻译：一种用于阻尼耦合到转换器并产生滤波器信号的LC滤波器的方法。该方法包括感测滤波器信号并处理滤波器信号以产生相应的反馈信号。从控制器信号中减去反馈信号以产生差分信号。差分信号用于阻尼LC滤波器。

7. 发明申请

US20110260547A1 ELECTRICAL SYSTEM AND CONTROL METHOD 有权
标题翻译：电气系统与控制方法
公开(公告)号：US20110260547A1
公开(公告)日：2011-10-27
申请号：US13178800
申请日：2011-07-08
申请人： Changyong Wang , Zhuohui Tan , Robert William Delmerico , Allen Michael Ritter , Ralph Teichmann , Richard S. Zhang , Robert Allen Seymour , Xiaoming Yuan
发明人： Changyong Wang , Zhuohui Tan , Robert William Delmerico , Allen Michael Ritter , Ralph Teichmann , Richard S. Zhang , Robert Allen Seymour , Xiaoming Yuan
IPC分类号： H02J5/00
CPC分类号： H02M7/53871 , H02J3/01 , H02J3/40 , Y02E40/40 , Y10T307/707
摘要： A method of controlling electrical power systems coupled to an electrical connection point includes obtaining carrier signals and fundamental waveforms from electrical power systems coupled to at least two renewable energy sources, generating pulse width modulation (PWM) signals using the carrier signals and the fundamental waveforms while interleaving carrier signals, fundamental waveforms, or a combination of carrier signals and fundamental waveforms of the electrical power systems, and driving grid side converters of the electrical power systems with the PWM signals.
摘要翻译：控制耦合到电连接点的电力系统的方法包括从耦合到至少两个可再生能源的电力系统获得载波信号和基本波形，使用载波信号和基波形成脉冲宽度调制（PWM）信号，同时交织载波信号，基波，或电力系统的载波信号和基波的组合，以及利用PWM信号驱动电力系统的电网侧转换器。

8. 发明授权

US08040642B2 Smart capacitor 失效
标题翻译：智能电容
公开(公告)号：US08040642B2
公开(公告)日：2011-10-18
申请号：US12433058
申请日：2009-04-30
申请人： Michael Andrew de Rooij , Karim Younsi , Daniel Qi Tan , Richard S. Zhang
发明人： Michael Andrew de Rooij , Karim Younsi , Daniel Qi Tan , Richard S. Zhang
IPC分类号： H02H3/18
CPC分类号： H02J9/061 , H02J7/345
摘要： A smart capacitor includes a main capacitor having at least one intelligence mechanism selected from a prognostics mechanism and a high speed protection mechanism integrated within the main capacitor. The at least one intelligence mechanism and the main capacitor are together configured to generate at least one type of output signal selected from long term induced failure mechanism signals and sudden capacitor failure condition signals in response to desired input signals.
摘要翻译：智能电容器包括主电容器，其具有从预测机构和集成在主电容器内的高速保护机构中选择的至少一个智能机构。所述至少一个智能机构和所述主电容器一起被配置为响应于期望的输入信号而产生从长期引起的故障机制信号和突发的电容器故障状态信号中选出的至少一种输出信号。

9. 发明申请

US20100133901A1 Modular stacked subsea power system architectures 有权
标题翻译：模块化堆叠海底电力系统架构
公开(公告)号：US20100133901A1
公开(公告)日：2010-06-03
申请号：US12317306
申请日：2008-12-22
申请人： Richard S. Zhang , Rajib Datta , Christof Martin Sihler , Joseph Song Manguelle
发明人： Richard S. Zhang , Rajib Datta , Christof Martin Sihler , Joseph Song Manguelle
IPC分类号： H02J3/36
CPC分类号： H02M5/458 , H02M7/003 , H02M7/483 , Y10T307/25 , Y10T307/258 , Y10T307/707
摘要： A sub-sea power delivery system includes a plurality of modular power converter building blocks on each of the power source side and the sub-sea load side that are stacked and interconnected to meet site expansion requirements and electrical load topologies. The power delivery system comprises a system DC transmission link/bus, wherein the system DC link is configured to carry HVDC or MVDC power from an onshore utility or topside power source to multiple sub-sea load modules. The stacked modular power converter topology on the sub-sea side of the sub-sea power delivery system is symmetrical with the stacked modular power converter topology on the on-shore/top-side of the sub-sea power delivery system.
摘要翻译：海底电力输送系统包括在电源侧和海底负载侧的多个模块化功率转换器构建块，其被堆叠和互连以满足现场扩展要求和电负载拓扑。电力输送系统包括系统DC传输链路/总线，其中系统DC链路被配置为将HVDC或MVDC电力从陆上公用事业或顶层电源运送到多个海底负载模块。海底电力输送系统的海底侧堆叠的模块化电力转换器拓扑结构与海底电力输送系统的岸上/顶部的堆叠模块化电力转换器拓扑结构是对称的。

10. 发明授权

US06751106B2 Cross current control for power converter systems and integrated magnetic choke assembly 有权
公开(公告)号：US06751106B2
公开(公告)日：2004-06-15
申请号：US10064547
申请日：2002-07-25
申请人： Richard S. Zhang , James Patrick Lyons , Luis Jose Garces , Xiaoming Yuan
发明人： Richard S. Zhang , James Patrick Lyons , Luis Jose Garces , Xiaoming Yuan
IPC分类号： H02M700
CPC分类号： H02M7/493 , H01F37/00 , H02M5/45 , H02M7/217
摘要： A cross current control system for multiple, parallel-coupled power converters includes common mode chokes, local cross current feedback controllers, and local converter controllers. Each common mode choke is coupled to a respective power converter. Each local cross current feedback controller is configured for receiving common mode cross currents from a respective local cross current detector, calculating a resultant cross current, and generating a local feedback control signal. Each local converter controller is configured for using a respective local feedback control signal to drive the respective power converter in accordance with a coordinated switching pattern. An integral choke assembly includes a common mode choke and a differential mode choke with common and differential mode choke cores configured with at least one magnetic flux path being shared by magnetic flux generated by common mode coils and differential mode coils.

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