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公开(公告)号：US08085564B2
公开(公告)日：2011-12-27
申请号：US12956018
申请日：2010-11-30
CPC分类号： H02M7/48 , H02J3/383 , H02M3/158 , H02M7/539 , H02M2001/0054 , H02M2001/007 , Y02B70/1491 , Y02E10/563 , Y10T307/352
摘要： Systems, methods, and apparatus for supplying AC power to an AC power grid from a DC power source, such as a photovoltaic (PV) array are disclosed. The systems and methods can include a converter coupled to the DC power source that provides DC power to a DC bus at a DC bus voltage. The systems and methods can further include an inverter coupled to the DC bus for converting the DC power of the DC bus to an output AC power. The systems and methods can further include a control system configured to regulate the DC bus voltage of the DC bus to operate at a variable DC bus voltage setpoint. The control system can adjust the DC bus voltage setpoint based at least in part on the DC bus voltage and the output AC current of the inverter.
摘要翻译： 公开了用于从DC电源（例如光伏（PV））阵列向交流电网提供AC电力的系统，方法和装置。 该系统和方法可以包括耦合到直流电源的转换器，其以直流总线电压向直流总线提供直流电力。 该系统和方法还可以包括耦合到DC总线的逆变器，用于将DC总线的DC电力转换成输出AC电力。 所述系统和方法还可以包括配置成调节DC总线的DC总线电压以在可变的DC总线电压设定点下工作的控制系统。 控制系统可以至少部分地基于直流母线电压和逆变器的输出交流电流来调节直流母线电压设定值。
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公开(公告)号：US07855906B2
公开(公告)日：2010-12-21
申请号：US12605514
申请日：2009-10-26
CPC分类号： H02M7/48 , H02J3/383 , H02M3/158 , H02M7/539 , H02M2001/0054 , H02M2001/007 , Y02B70/1491 , Y02E10/563 , Y10T307/352
摘要： Systems, methods, and apparatus for supplying AC power to an AC power grid from a DC power source, such as a photovoltaic (PV) array are disclosed. The systems and methods can include a converter coupled to the DC power source that provides DC power to a DC bus at a DC bus voltage. The systems and methods can further include an inverter coupled to the DC bus for converting the DC power of the DC bus to an output AC power. The systems and methods can further include a control system configured to regulate the DC bus voltage of the DC bus to operate at a variable DC bus voltage setpoint. The control system can adjust the DC bus voltage setpoint based at least in part on the DC bus voltage and the output AC current of the inverter.
摘要翻译： 公开了用于从DC电源（例如光伏（PV））阵列向交流电网提供AC电力的系统，方法和装置。 该系统和方法可以包括耦合到直流电源的转换器，其以直流总线电压向直流总线提供直流电力。 该系统和方法还可以包括耦合到DC总线的逆变器，用于将DC总线的DC电力转换成输出AC电力。 所述系统和方法还可以包括配置成调节DC总线的DC总线电压以在可变的DC总线电压设定点下工作的控制系统。 控制系统可以至少部分地基于直流母线电压和逆变器的输出交流电流来调节直流母线电压设定值。
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公开(公告)号：US07239036B2
公开(公告)日：2007-07-03
申请号：US11192840
申请日：2005-07-29
申请人： John Douglas D'Atre , Anthony Michael Klodowski , Allen Michael Ritter , David Smith , Robert Gregory Wagoner , Luis Jose Garces , Henning Luetze
发明人： John Douglas D'Atre , Anthony Michael Klodowski , Allen Michael Ritter , David Smith , Robert Gregory Wagoner , Luis Jose Garces , Henning Luetze
IPC分类号： H02P9/04
CPC分类号： F03D7/0272 , F03D7/028 , F03D9/25 , F03D9/255 , F05B2220/7062 , F05B2260/80 , F05B2270/1011 , H02P9/007 , H02P2101/15 , Y02E10/723 , Y02E10/725
摘要： A system and method for power control in wind turbines are provided. The method includes switching a plurality of switching devices in a power conversion component of the wind turbine system in a normal switching mode to provide power flow through the power conversion component. The method further includes switching the plurality of switches devices in the power conversion component of the wind turbine system in a short circuit switching mode to prevent power flow through the power conversion component.
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公开(公告)号：US20130049363A1
公开(公告)日：2013-02-28
申请号：US13222397
申请日：2011-08-31
摘要： A permanent magnet (PM) machine system is provided having a PM machine and a controller in communication with the PM machine. The PM machine has a q-axis voltage feedback signal and a pullout torque that represents a peak torque that the PM machine generates. The controller includes a q-axis current regulator that produces a commanded q-axis voltage that is supplied to the PM machine. The controller also includes at least one control logic for monitoring the q-axis voltage feedback signal of the PM machine.
摘要翻译： 提供了具有PM机和与PM机通信的控制器的永磁（PM）机系统。 PM机器具有q轴电压反馈信号和表示PM机器产生的峰值扭矩的拉出扭矩。 控制器包括一个q轴电流调节器，产生一个提供给PM机器的指令q轴电压。 该控制器还包括至少一个用于监视PM机的q轴电压反馈信号的控制逻辑。
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公开(公告)号：US08575772B2
公开(公告)日：2013-11-05
申请号：US13222397
申请日：2011-08-31
IPC分类号： F03D9/00
摘要： A permanent magnet (PM) machine system is provided having a PM machine and a controller in communication with the PM machine. The PM machine has a q-axis voltage feedback signal and a pullout torque that represents a peak torque that the PM machine generates. The controller includes a q-axis current regulator that produces a commanded q-axis voltage that is supplied to the PM machine. The controller also includes at least one control logic for monitoring the q-axis voltage feedback signal of the PM machine.
摘要翻译： 提供了具有PM机和与PM机通信的控制器的永磁（PM）机系统。 PM机器具有q轴电压反馈信号和表示PM机器产生的峰值扭矩的拉出扭矩。 控制器包括一个q轴电流调节器，产生一个提供给PM机器的指令q轴电压。 该控制器还包括至少一个用于监视PM机的q轴电压反馈信号的控制逻辑。
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公开(公告)号：US09287766B2
公开(公告)日：2016-03-15
申请号：US13246042
申请日：2011-09-27
IPC分类号： H02M1/32
CPC分类号： H02M1/32 , H02M2001/327
摘要： An electrical power generating system including a power generating device, a power converter connected to the power generating device, and an electrical controller connected to the power converter. The electrical controller is configured to limit a peak junction temperature of the power converter by applying at least one junction temperature derating function.
摘要翻译： 一种发电系统，包括发电装置，连接到发电装置的电力转换器和连接到电力转换器的电气控制器。 电控制器被配置为通过施加至少一个结温降额功能来限制功率转换器的峰值结温度。
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公开(公告)号：US09083233B2
公开(公告)日：2015-07-14
申请号：US13253524
申请日：2011-10-05
CPC分类号： H02M1/126 , H02J2003/388 , H02M1/32 , H02M7/539 , Y10T307/50
摘要： Systems, methods, and apparatus for providing a dynamic break and distortion filter. In one embodiment, an apparatus can include an inverter providing alternating current (AC) power at one of a first and second chopping frequency and a filter. The filter can include an input port receiving the AC power and an output port providing output power by selectively passing the AC power from the input port to the output port. The filter may further include an inductor electrically connected to one of the input port and output port and a capacitor electrically connected to the inductor and to a resistor, wherein current does not substantially flow through the inductor and capacitor at the first chopping frequency and does substantially flow through the inductor and capacitor at the second chopping frequency, and wherein the AC power with the second chopping frequency is dissipated in the resistor.
摘要翻译： 用于提供动态中断和失真滤波器的系统，方法和装置。 在一个实施例中，装置可以包括以第一和第二斩波频率之一提供交流（AC）功率的逆变器和滤波器。 滤波器可以包括接收AC电力的输入端口和通过选择性地将AC电力从输入端口传递到输出端口来提供输出功率的输出端口。 滤波器还可以包括电连接到输入端口和输出端口之一的电感器和电连接到电感器和电阻器的电容器，其中电流基本上不以第一斩波频率流过电感器和电容器，并且基本上 在第二斩波频率下流过电感器和电容器，并且其中具有第二斩波频率的AC功率在电阻器中消散。
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公开(公告)号：US08737102B2
公开(公告)日：2014-05-27
申请号：US13242417
申请日：2011-09-23
IPC分类号： H02M7/44
CPC分类号： H02M3/1584 , H02M2001/007 , H02M2003/1586 , Y10T307/707
摘要： A boost converter including two or more inductors coupled to an input DC power source and to switches that can each be modulated with a modulation signal to control the output power of the boost converter. Two or more of the modulation signals have a relative phase other than 360° divided by the number of switches.
摘要翻译： 包括耦合到输入DC电源的两个或更多个电感器和可以用调制信号调制的开关的升压转换器，以控制升压转换器的输出功率。 两个或更多个调制信号具有除了360°之外的相对相位除以开关的数量。
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9.发明授权公开(公告)号：US08537581B2
公开(公告)日：2013-09-17
申请号：US13218271
申请日：2011-08-25
IPC分类号： H02M3/24
CPC分类号： H02M1/36 , H02J3/382 , H02J3/383 , H02M7/5395 , H02M2001/007 , Y02E10/563
摘要： A power converter system includes a converter configured to be coupled to a power generation unit for receiving power from the power generation unit, and a bus coupled to the converter, wherein a voltage is generated across the bus when electricity is conducted through the power converter system. The power converter system also includes an inverter coupled to the bus and configured to supply power to an electrical distribution network, and a control system coupled to the converter and to the inverter. The control system is configured to gradually adjust the voltage across the bus during at least one of a shutdown sequence and a startup sequence of the power converter system.
摘要翻译： 电力转换器系统包括被配置为耦合到用于从发电单元接收功率的发电单元的转换器和耦合到转换器的总线，其中当通过功率转换器系统进行通电时，总线上产生电压 。 功率转换器系统还包括耦合到总线并被配置为向配电网络供电的逆变器以及耦合到转换器和逆变器的控制系统。 控制系统被配置为在功率转换器系统的关断序列和启动顺序中的至少一个期间逐渐调整总线上的电压。
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10.发明授权Method and system to allow for high DC source voltage with lower DC link voltage in a two stage power converter 有权方法和系统允许在两级功率转换器中具有较低DC链路电压的高直流电源电压公开(公告)号：US08050062B2
公开(公告)日：2011-11-01
申请号：US12711466
申请日：2010-02-24
CPC分类号： H02M7/48 , H02J3/383 , H02M1/36 , H02M3/1584 , H02M2001/007 , Y02E10/563 , Y10S323/906
摘要： A system for supplying AC power from a DC power source, such as a photovoltaic array is disclosed. The system includes a converter and an inverter coupled by a DC link. Control methods and systems are provided to maintain the DC source voltage and the DC link voltage below the open-circuit voltage of the DC power source. During steady state conditions, the DC source voltage and the DC link voltage are maintained below the open-circuit voltage of the DC power source by controlling the output of the inverter. The DC link voltage is temporarily adjusted to allow for higher DC link transients when the DC power source is first coupled or re-coupled to the system. During conditions when the inverter is decoupled from the system, the converter is controlled to maintain the DC link voltage below the open-circuit voltage of the DC power source.
摘要翻译： 公开了一种用于从DC电源（例如光伏阵列）提供AC电力的系统。 该系统包括一个转换器和一个通过直流链路耦合的逆变器。 提供控制方法和系统以将DC源电压和DC链路电压保持在DC电源的开路电压以下。 在稳态条件下，通过控制逆变器的输出，将直流电源电压和直流母线电压维持在直流电源的开路电压以下。 当直流电源首先耦合或重新耦合到系统时，临时调整直流母线电压以允许更高的直流链路瞬变。 在逆变器与系统分离的条件下，转换器被控制以将直流母线电压维持在直流电源的开路电压以下。
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