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    • 6. 发明申请
    • UNINTERRUPTIBLE POWER SUPPLY AND METHOD FOR MANAGING POWER FLOW IN A GRID-TIED PHOTOVOLTAIC SYSTEM
    • 用于管理光伏系统中的功率流的不间断电源和方法
    • US20170033597A1
    • 2017-02-02
    • US14811644
    • 2015-07-28
    • Garrity Power Services LLC
    • Paul GARRITYAaron JUNGREIS
    • H02J9/06H02J7/00H02J7/35
    • H02J9/062H02J3/1842H02J3/383H02J7/007H02J7/35Y02B10/72Y02E10/563Y02E10/566Y02E40/22
    • An uninterruptible power supply (UPS) and method for managing power flow in a grid-tied photovoltaic system, wherein the UPS provides grid-tie, backup power, voltage-frequency relay, power factor control, and load-leveling functions. The UPS includes a bi-directional power converter, a switch, and a controller. The converter converts between AC power and DC power, and includes ports which are connectable to a battery, a plurality of current-source inverters, a load, and an electric utility grid. The switch selectively connects and disconnects the converter from the grid. The controller monitors the voltage and current associated with the grid, and based thereon, controls the switch and the bi-directional power converter to manage power flow in the grid-tied photovoltaic system. The controller also manages the power factor of the current flowing into or out of the grid by introducing appropriate distortion or displacement current.
    • 一种用于管理并网光伏系统中的电力流的不间断电源(UPS)和方法,其中UPS提供并网,备用电源,电压 - 频率继电器,功率因数控制和负载均衡功能。 UPS包括双向功率转换器,开关和控制器。 该转换器在交流电和直流电之间进行转换,并且包括可连接到电池,多个电流源逆变器,负载和电力电网的端口。 开关选择性地将转换器与电网连接并断开。 控制器监视与电网相关联的电压和电流,并且基于此控制开关和双向功率转换器以管理并网光伏系统中的功率流。 控制器还通过引入适当的失真或位移电流来管理流入或流出电网的电流的功率因数。
    • 7. 发明申请
    • LED DRIVER
    • LED驱动器
    • US20150195878A1
    • 2015-07-09
    • US14590437
    • 2015-01-06
    • Garrity Power Services LLC
    • Paul GarrityAaron Jungreis
    • H05B33/08
    • H05B33/0815H05B33/0821
    • An LED driver having an input to receive AC power from an AC power source, a semiconductor switch and an inductor controlled to produce a sinusoidal current drawn from the AC power source, and a large non-electrolytic (e.g. film) capacitor energy storage component. The semiconductor switch operates with a varying pulse-width-modulation frequency to regulate the voltage across the non-electrolytic capacitor energy storage component in such a way that a ripple current through the inductor is substantially smaller than a pulse-width-modulation cycle average current through the inductor. A DC-to-DC converter couples the energy from the non-electrolytic energy-storage capacitor to an LED string. A feedback loop allows the LED string to be regulated in either constant current mode or constant power mode and information for the feedback regulation is fed back across a high-voltage boundary using a low-cost signal transformer.
    • 一种具有从AC电源接收AC电力的输入端的LED驱动器,半导体开关和被控制为产生从AC电源引出的正弦电流的电感器以及大型非电解(例如薄膜)电容器能量存储部件。 半导体开关以变化的脉宽调制频率进行工作,以调节非电解电容器能量存储部件上的电压,使得通过电感器的纹波电流显着小于脉宽调制周期平均电流 通过电感。 DC-DC转换器将来自非电解储能电容器的能量耦合到LED串。 反馈回路允许LED串在恒定电流模式或恒定功率模式下进行调节,反馈调节信息使用低成本信号变压器在高压边界反馈。