公开(公告)号：US07948778B2

公开(公告)日：2011-05-24

申请号：US12136160

申请日：2008-06-10

申请人： Hans-Erik Pfitzer ,  Rune Lennart Jonsson ,  John G. Tracy ,  Miguel E. Chavez ,  Frederick Tassitino, Jr. ,  Jason S. Anderson

发明人： Hans-Erik Pfitzer ,  Rune Lennart Jonsson ,  John G. Tracy ,  Miguel E. Chavez ,  Frederick Tassitino, Jr. ,  Jason S. Anderson

IPC分类号： H02M5/40 ,  H02M7/10

CPC分类号： H02J9/062 ,  G01R31/40 ,  Y02P80/11 ,  Y10T307/62

摘要： A power supply apparatus includes first and second parallel-connected uninterruptible power supplies (UPSs), each including an AC/DC converter circuit and a DC/AC converter circuit having an input coupled to an output of the AC/DC converter circuit by a DC link, inputs of the AC/DC converter circuits of the first and second UPSs connected in common to an AC source and outputs of the DC/AC converter circuits of the first and second UPSs connected in common to a load. The first and second UPSs are configured to support a test mode wherein the first UPS is test loaded by transferring power from the output of the DC/AC converter circuit of the first UPS to the output of the DC/AC converter circuit of the second UPS. The first UPS may be configured to provide power to the load concurrent with test loading by the second UPS.

摘要翻译： 电源装置包括第一和第二并联不间断电源（UPS），每个电源包括AC / DC转换器电路和DC / AC转换器电路，其具有通过DC连接到AC / DC转换器电路的输出的输入 链路，共同连接到AC电源的第一和第二UPS的AC / DC转换器电路的输入以及共同连接到负载的第一和第二UPS的DC / AC转换器电路的输出。 第一和第二UPS被配置为支持测试模式，其中通过将功率从第一UPS的DC / AC转换器电路的输出传送到第二UPS的DC / AC转换器电路的输出来测试第一UPS 。 第一个UPS可以配置为向负载提供电力，同时由第二个UPS进行测试加载。

公开(公告)号：US20080265681A1

公开(公告)日：2008-10-30

申请号：US12136160

申请日：2008-06-10

申请人： Hans-Erik Pfitzer ,  Rune Lennart Jonsson ,  John G. Tracy ,  Miguel E. Chavez ,  Frederick Tassitino ,  Jason S. Anderson

发明人： Hans-Erik Pfitzer ,  Rune Lennart Jonsson ,  John G. Tracy ,  Miguel E. Chavez ,  Frederick Tassitino ,  Jason S. Anderson

IPC分类号： H02J9/06

CPC分类号： H02J9/062 ,  G01R31/40 ,  Y02P80/11 ,  Y10T307/62

摘要： A power supply apparatus includes first and second parallel-connected uninterruptible power supplies (UPSs), each including an AC/DC converter circuit and a DC/AC converter circuit having an input coupled to an output of the AC/DC converter circuit by a DC link, inputs of the AC/DC converter circuits of the first and second UPSs connected in common to an AC source and outputs of the DC/AC converter circuits of the first and second UPSs connected in common to a load. The first and second UPSs are configured to support a test mode wherein the first UPS is test loaded by transferring power from the output of the DC/AC converter circuit of the first UPS to the output of the DC/AC converter circuit of the second UPS. The first UPS may be configured to provide power to the load concurrent with test loading by the second UPS.

摘要翻译： 电源装置包括第一和第二并联不间断电源（UPS），每个电源包括AC / DC转换器电路和DC / AC转换器电路，其具有通过DC连接到AC / DC转换器电路的输出的输入 链路，共同连接到AC电源的第一和第二UPS的AC / DC转换器电路的输入以及共同连接到负载的第一和第二UPS的DC / AC转换器电路的输出。 第一和第二UPS被配置为支持测试模式，其中通过将功率从第一UPS的DC / AC转换器电路的输出传送到第二UPS的DC / AC转换器电路的输出来测试第一UPS 。 第一个UPS可以配置为向负载提供电力，同时由第二个UPS进行测试加载。

公开(公告)号：US07050312B2

公开(公告)日：2006-05-23

申请号：US10796647

申请日：2004-03-09

申请人： John G. Tracy ,  Miguel E. Chavez ,  Robert W. Johnson, Jr. ,  Rune Lennart Jonsson

发明人： John G. Tracy ,  Miguel E. Chavez ,  Robert W. Johnson, Jr. ,  Rune Lennart Jonsson

IPC分类号： H02M5/458

CPC分类号： H02J9/062 ,  H02M7/493 ,  H02M7/797 ,  H02M2007/4822 ,  Y10T307/625

摘要： An uninterruptible power supply apparatus includes a first bidirectional power converter circuit having first and second ports and a second bidirectional power converter circuit having first and second ports. The apparatus further includes a DC link that couples the second port of the first bidirectional power converter circuit to the first port of the second bidirectional power converter circuit. A first load port is coupled to the second port of the second bidirectional power converter circuit and a second load port is coupled to the first port of the first bidirectional power converter circuit. The apparatus further includes a control circuit that is configured to control the first and second bidirectional power converter circuits such that each of the first and second bidirectional power converter circuits can generate and/or condition AC power at each of the first and second load ports.

摘要翻译： 不间断电源装置包括具有第一和第二端口的第一双向功率转换器电路和具有第一和第二端口的第二双向功率转换器电路。 该装置还包括将第一双向功率转换器电路的第二端口耦合到第二双向功率转换器电路的第一端口的DC链路。 第一负载端口耦合到第二双向功率转换器电路的第二端口，并且第二负载端口耦合到第一双向功率转换器电路的第一端口。 该装置还包括控制电路，其被配置为控制第一和第二双向功率转换器电路，使得第一和第二双向功率转换器电路中的每一个可以在第一和第二负载端口中的每一个处产生和/或调节AC电力。

公开(公告)号：US06201720B1

公开(公告)日：2001-03-13

申请号：US09507021

申请日：2000-02-18

申请人： John G. Tracy ,  Edward Akbari ,  Miguel E. Chavez ,  Frederick Tassitino, Jr.

发明人： John G. Tracy ,  Edward Akbari ,  Miguel E. Chavez ,  Frederick Tassitino, Jr.

IPC分类号： H02M744

CPC分类号： H02M7/53875 ,  H02J9/062 ,  H02M2007/53876

摘要： Uninterruptible power supplies (UPSs), power conversion apparatus and power conversion methods are provided which may improve phase regulation of polyphase AC voltages in the presence of load imbalances. According to one embodiment, a UPS includes a DC voltage generating circuit that produces a DC voltage. A space vector domain controlled inverter couples the DC voltage generating circuit to an AC load, and produces a polyphase AC output voltage at the load by sensing a plurality of voltages at the load, transforming the plurality of sensed voltages according to a space vector (d-q) transformation to produce an output space vector, generating an error space vector from the output space vector and a reference space vector, and selectively coupling the DC voltage generating circuit to the load responsive to the error space vector. In this manner, a voltage control loop is closed in the d-q domain, which may improve per-phase regulation of the polyphase AC output. Preferably, compensation is applied to the error space vector to produce a control space vector that compensates for poles or other transfer characteristics of the forward path of the voltage control loop. In another embodiment, the reference space vector is generated by an outer voltage amplitude loop that compares a sum of the plurality of output voltages at the load to a reference voltage amplitude, generating an error amplitude voltage which is compensated and then transformed according to a space vector transformation to produce the reference space vector that serves as the set point for the inner space vector domain control loop.

摘要翻译： 提供了不间断电源（UPS），电力转换装置和电力转换方法，可以在存在负载不平衡的情况下改善多相交流电压的相位调节。 根据一个实施例，UPS包括产生DC电压的DC电压产生电路。 空间矢量域控制的逆变器将直流电压产生电路耦合到交流负载，并且通过在负载下感测多个电压而在负载下产生多相交流输出电压，根据空间矢量（dq）变换多个感测电压 ）变换以产生输出空间矢量，从输出空间矢量和参考空间矢量生成误差空间矢量，并且响应于误差空间矢量选择性地将DC电压产生电路耦合到负载。 以这种方式，d-q域中的电压控制环闭合，这可以改善多相交流输出的每相调节。 优选地，对误差空间矢量进行补偿以产生补偿电压控制回路的正向通路的极点或其它传递特性的控制空间矢量。 在另一个实施例中，参考空间矢量由外部电压振幅回路产生，该外部电压振幅回路将负载时的多个输出电压的和与参考电压振幅进行比较，产生误差幅度电压，该电压被补偿然后根据空间进行变换 向量变换以产生用作内部空间矢量域控制环路的设定点的参考空间矢量。

公开(公告)号：US06307763B1

公开(公告)日：2001-10-23

申请号：US09467655

申请日：1999-12-20

申请人： Miguel E. Chavez ,  Fred Tassitino ,  John G. Tracy

发明人： Miguel E. Chavez ,  Fred Tassitino ,  John G. Tracy

IPC分类号： H02M700

CPC分类号： H02M7/23 ,  H02M7/17

摘要： Twelve-pulse rectifiers include a first controller that controls a first six-pulse rectifier, a second controller that controls a second six-pulse rectifier and a data network that couples the first controller and the second controller to exchange data therebetween. The first and second controllers preferably have a common architecture and preferably operate independently. Each controller preferably controls its associated six-pulse rectifier as a function of the current and/or voltage output of the associated six-pulse rectifier, preferably using conventional feedback control techniques. Moreover, the first controller also preferably controls the first six-pulse rectifier as a function of a second current at the second six-pulse rectifier output, and the second controller preferably controls the second six-pulse rectifier as a function of a first current at the first six-pulse rectifier output. Thus, each six-pulse rectifier may be controlled as a function of the current at the other six-pulse rectifier output. The first controller preferably receives second data representing the second current at the second six-pulse rectifier output via the data network, and the second controller preferably receives first data representing a first current at the first six-pulse rectifier output via the data network. The first controller preferably continues to control the first six-pulse rectifier upon failure of the second controller to thereby provide a first output current from the first six-pulse rectifier at the twelve-pulse rectifier output. Similarly, the second controller preferably continues to control the second six-pulse rectifier upon failure of the first controller to thereby provide a second output current from the second six-pulse rectifier at the twelve-pulse rectifier output. When the first and second controllers are operational, the first and second six-pulse rectifiers may be controlled by their respective first and second controllers.

公开(公告)号：US06629247B1

公开(公告)日：2003-09-30

申请号：US09537974

申请日：2000-03-28

申请人： Richard Hall ,  Frederick E. Tassitino, Jr. ,  Miguel E. Chavez

发明人： Richard Hall ,  Frederick E. Tassitino, Jr. ,  Miguel E. Chavez

IPC分类号： G06F126

CPC分类号： H02J9/06 ,  Y10T307/625

摘要： Modules included in a UPS system can communicate over a Controller Area Network using messages having separate fields within an arbitration field. In particular, the separate fields can be separate priority fields, separate module identifier fields, and separate source and destination routing fields. The separate priority field can allow identical message types having different priority to be transmitted within the UPS system. For example, in a UPS system according to the invention, a rectifier off command can have greater priority than a rectifier reset command. The separate module identifier fields can uniquely identify the location of a module in the UPS system which transmitted the message. For example, the module identifier can be provided by customized wiring in a wiring harness connected to a respective communications interface circuit. The separate destination routing fields can be used to transmit messages to and from bridges in the UPS system. The message can also include separate data fields that organize the data into data categories and subcategories.

摘要翻译： 包含在UPS系统中的模块可以通过控制器局域网使用在仲裁字段内具有单独字段的消息进行通信。 特别地，单独的字段可以是单独的优先级字段，单独的模块标识符字段以及单独的源和目的地路由字段。 单独的优先级字段可以允许在UPS系统内传输具有不同优先级的相同消息类型。 例如，在根据本发明的UPS系统中，整流器关断命令可以具有比整流器复位命令更高的优先级。 单独的模块标识符字段可以唯一地标识发送消息的UPS系统中的模块的位置。 例如，可以通过连接到各个通信接口电路的线束中的定制布线来提供模块标识符。 单独的目的地路由字段可用于向UPS系统中的桥接器发送消息。 消息还可以包括将数据组织成数据类别和子类别的单独数据字段。