Symmetric method for obtaining line-transferred linear active power flows in MTDC power networks

    公开(公告)号:US09837815B2

    公开(公告)日:2017-12-05

    申请号:US14904922

    申请日:2015-05-19

    摘要: The present invention belongs to electric power engineering field, and provides a symmetric method for obtaining line-transferred linear active power flows in Multi-Terminal Direct Current (MTDC) power networks, which comprises: firstly establishing a system of symmetric linear indeterminate equations of buses' injection active powers in terms of buses' voltage offsets; then establishing a symmetric linear matrix equation of buses' voltage offsets in terms of buses' injection active powers and obtaining each bus' voltage offset and bus' voltage of the MTDC power network according to the system of symmetric linear indeterminate equations; finally establishing a symmetric linear relationship that expresses a line-transferred linear active power flow in terms of buses' injection active powers and obtaining each line-transferred linear active power flow of the MTDC power network according to the symmetric linear matrix equation of buses' voltage offsets in terms of buses' injection active powers, known line-transferred non-linear active power flow and inherent operation features of the MTDC power network. The method of the present invention reliably produces accurate results, and not only fast enough for real-time operation regulation of arbitrarily completed MTDC power networks but also applicable for widely varying operation states of them.

    POWER CONTROL DEVICE AND POWER CONTROL METHOD
    3.
    发明申请
    POWER CONTROL DEVICE AND POWER CONTROL METHOD 审中-公开
    电力控制装置和功率控制方法

    公开(公告)号:US20160329744A1

    公开(公告)日:2016-11-10

    申请号:US15108706

    申请日:2014-12-25

    申请人: Sony Corporation

    IPC分类号: H02J13/00 H02J3/38

    摘要: [Object] To propose a power control device enabling a system that interchanges DC power to be realized with a simple configuration, and also enabling scalable construction of the system.[Solution] There is provided a power control device including a reception unit configured to receive a power supply demand from a cell connected to a first bus line that transmits direct-current (DC) power, a transmission unit configured to transmit, in response to the power supply demand from the cell connected to the first bus line that was received by the reception unit, the power supply demand to a cell connected to a second bus line that transmits DC power, and a power control unit configured to control, by a reply to the power supply demand transmitted to the cell connected to the second bus line, power conversion between the first bus line and the second bus line on a basis of information relating to respective voltages of the first bus line and the second bus line.

    摘要翻译: [解决方案]提供了一种功率控制装置,包括:接收单元,被配置为从连接到发送直流(DC)功率的第一总线的小区接收电力需求;发送单元,被配置为响应于 连接到由接收单元接收的第一总线的单元的电力供应需求,到连接到发送直流电力的第二总线的单元的电力需求;以及功率控制单元,被配置为通过 基于与第一总线和第二总线的各个电压相关的信息,回复发送到连接到第二总线的单元的电池的电力需求,第一总线和第二总线之间的功率转换。

    On-board power supply monitor and power control system
    4.
    发明授权
    On-board power supply monitor and power control system 有权
    车载电源监控和电源控制系统

    公开(公告)号:US09281718B2

    公开(公告)日:2016-03-08

    申请号:US11157577

    申请日:2005-06-21

    IPC分类号: G01R21/00 H02J13/00

    摘要: A system and method for controlling characteristics of supplied electrical power. Various aspects of the present invention may comprise an integrated circuit comprising a first circuit module that receives electrical power. The integrated circuit may comprise a second circuit module that monitors at least one characteristic of electrical power received by at least one of the first circuit module and the integrated circuit. The second circuit module may also communicate with a third circuit module regarding the monitored at least one characteristic. Various aspects of the present invention may comprise an integrated circuit comprising a first module that monitors at least one characteristic of electrical power received by a first electrical device that is external to the integrated circuit. The integrated circuit may also comprise a second module that communicates with a second electrical device, external to the integrated circuit, regarding the monitored at least one characteristic.

    摘要翻译: 一种用于控制供电电力特性的系统和方法。 本发明的各个方面可以包括集成电路,其包括接收电力的第一电路模块。 集成电路可以包括第二电路模块,其监测由第一电路模块和集成电路中的至少一个接收的电功率的至少一个特性。 第二电路模块还可以与第三电路模块通信关于所监测的至少一个特性。 本发明的各个方面可以包括集成电路,其包括第一模块,其监测由集成电路外部的第一电气设备接收的电力的至少一个特性。 集成电路还可以包括与监控的至少一个特性相关的,与集成电路外部的第二电气设备通信的第二模块。

    SYSTEMS AND METHODS FOR PROVIDING SCALABLE UNINTERRUPTABLE DC POWER TO A RACK-LEVEL POWER INFRASTRUCTURE
    5.
    发明申请
    SYSTEMS AND METHODS FOR PROVIDING SCALABLE UNINTERRUPTABLE DC POWER TO A RACK-LEVEL POWER INFRASTRUCTURE 有权
    将可扩展的不间断直流电源提供给机架级功率基础设施的系统和方法

    公开(公告)号:US20150357865A1

    公开(公告)日:2015-12-10

    申请号:US14831550

    申请日:2015-08-20

    IPC分类号: H02J9/06 G06F1/26 H02J7/00

    摘要: In accordance with the present disclosure, a battery back-up unit (BBU) element for providing uninterruptable direct current (DC) power in a rack-level power infrastructure is describe. The BBU element may include a rack-mountable chassis with a battery drawer. A battery may be disposed within the battery drawer, and at least one power module may be coupled to the battery. The BBU element may also include a power module controller that causes the battery to charge from or discharge to a busbar coupled to the BBU element. The power module controller may also communicate power management information to a power infrastructure controller.

    摘要翻译: 根据本公开,描述了用于在机架级电力基础设施中提供不间断直流(DC)电力的电池备用单元(BBU)元件。 BBU元件可以包括具有电池抽屉的可机架安装的底盘。 电池可以设置在电池抽屉内,并且至少一个电源模块可以耦合到电池。 BBU元件还可以包括电源模块控制器,该电源模块控制器使得电池从耦合到BBU元件的母线充电或者放电到与BBU元件耦合的母线。 电力模块控制器还可以将功率管理信息传送到电力基础设施控制器。

    System for Power Distribution and Communication
    8.
    发明申请
    System for Power Distribution and Communication 有权
    配电和通讯系统

    公开(公告)号:US20120283891A1

    公开(公告)日:2012-11-08

    申请号:US13516428

    申请日:2010-12-17

    IPC分类号: G06F1/26

    摘要: The present invention relates to a system for power distribution and communication over a two-wire network 21; 51. The system 20; 30; 50; 70 comprises: a control unit 22; CU (dedicated or distributed) configured to receive power from said two-wire network and provided with a transceiver circuitry connected to the two-wire network, a power converter unit 23; 31; 71 having a power converter 24 converts incoming voltage to a DC-voltage of less than 50 V and feeds the DC-voltage to the two-wire network, and a power fuse unit 25; 72 with a power fuse identity connected between the power converter 24 and the two-wire network 21; 51. The power fuse unit forwards the DC-voltage to the two-wire network and comprises: a transceiver circuitry connected to the two-wire network, and a fuse. The system is provided with means to monitor an amount of power consumed in the network, and means to activate the power switch in the power fuse unit 25; 72 when the amount of power consumed in the two-wire network exceeds predetermined limits

    摘要翻译: 本发明涉及一种用于通过二线网络21进行配电和通信的系统; 系统20; 30; 50; 70包括:控制单元22; CU(专用或分布式)被配置为从所述两线网络接收电力并且设置有连接到所述二线网络的收发器电路;功率转换器单元23; 31; 具有电力转换器24的电力变换器24将输入电压转换为小于50V的直流电压,并将直流电压馈送到二线网络和电力熔断器单元25; 72,电源保险丝标识连接在电力转换器24和二线网络21之间; 电源保险丝单元将DC电压转发到两线网络,包括:连接到双线网络的收发器电路和保险丝。 该系统具有监视网络中消耗的功率量的装置,以及启动电源保险丝单元25中的电源开关的装置; 72,当两线网络中消耗的功率量超过预定限度时

    LOAD CONTROL SYSTEM
    9.
    发明申请
    LOAD CONTROL SYSTEM 有权
    负载控制系统

    公开(公告)号:US20120209441A1

    公开(公告)日:2012-08-16

    申请号:US13499791

    申请日:2010-09-28

    IPC分类号: G06F1/30

    摘要: A load control system includes: a power supply control unit for controlling a power feeding to multiple load devices; and a backup power supply unit for supplying backup power during a power failure. During a power failure, the power supply control unit supplies the power from the backup power supply unit only to a part of load devices selected among the load devices, and the load devices are devoid of communications function for communicating with the power supply control unit.

    摘要翻译: 负载控制系统包括:电源控制单元,用于控制对多个负载装置的供电; 以及用于在电源故障期间提供备用电力的备用电源单元。 在电源故障期间,电源控制单元将来自备用电源单元的电力仅供给到在负载装置中选择的一部分负载装置,并且负载装置没有通信功能,用于与电源控制单元进行通信。