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    • 2. 发明申请
    • Modular Junction Box for a Photovoltaic Module
    • 用于光伏模块的模块化接线盒
    • US20120033392A1
    • 2012-02-09
    • US13184281
    • 2011-07-15
    • Boris GolubovicMudhafar Hassan-AliKaochi ImAbhijit Limaye
    • Boris GolubovicMudhafar Hassan-AliKaochi ImAbhijit Limaye
    • H05K7/00
    • H02S40/34
    • A junction box for electrically connecting a photovoltaic (PV) module to a power distribution system, the PV module having a plurality of conductors for electrically connecting the PV module to the junction box. The junction box includes a housing having a mounting side configured to be mounted on the PV module and a power transfer structure mounted within the housing. The power transfer structure includes a plurality of conductive connectors and a transfer interface. Each conductive connector forms an electrical interface to the PV module. The transfer interface couples the junction box to the power distribution system. The junction box also includes a user-removable control board mounted within the housing. The power transfer structure interfaces with said control board to convey power from the PV module to the control board.
    • 一种用于将光伏(PV)模块电气连接到配电系统的接线盒,所述PV模块具有用于将所述PV模块电连接到所述接线盒的多个导体。 接线盒包括具有安装在PV模块上的安装侧的外壳和安装在外壳内的电力传输结构。 功率传递结构包括多个导电连接器和传输接口。 每个导电连接器形成与PV模块的电接口。 传输接口将接线盒连接到配电系统。 接线盒还包括安装在壳体内的用户可移动控制板。 电力传输结构与所述控制板接口,以将电力从光伏组件传送到控制板。
    • 4. 发明申请
    • MULTI-MODULE BIDIRECTIONAL DC-DC CONVERTER
    • 多模双向DC-DC转换器
    • US20110254528A1
    • 2011-10-20
    • US12761472
    • 2010-04-16
    • HAMID DANESH-PAJOOH-NEJADPRAVEEN JAINHASSAN ALI KOJORIALIREZA BAKHSHAI
    • HAMID DANESH-PAJOOH-NEJADPRAVEEN JAINHASSAN ALI KOJORIALIREZA BAKHSHAI
    • G05F3/08
    • H02M3/33584H02M2001/0032Y02B70/16
    • A multi-module bidirectional power converter may comprise a low side common node, a high side common node and at least first and second bidirectional DC/DC converter modules. The modules may comprise first and second low voltage switches, first and second high voltage switches and a transformer. The transformer may comprise a low side winding having first and second legs and a high side winding having first and second legs. The first leg of the low side winding may be connected with the first and second low voltage switches of the module. The second leg of the low side winding may be connected with the low side common node of the multi-module bidirectional power converter. The first leg of the high side winding may be connected with the first and second high voltage switches of the module. The second leg of the high side winding may be connected to the high side common node of the multi-module bidirectional power converter. Such an arrangement may provide operability of the multi-module bidirectional power converter with any one or more of the modules so that efficiency is maintained when electrical loads are high and so that Zero Voltage Switching is maintained when electrical loads are low.
    • 多模块双向功率转换器可以包括低侧公共节点,高侧公共节点和至少第一和第二双向DC / DC转换器模块。 模块可以包括第一和第二低压开关,第一和第二高压开关和变压器。 变压器可以包括具有第一和第二腿部的低侧绕组和具有第一和第二腿部的高侧绕组。 低端绕组的第一段可以与模块的第一和第二低压开关连接。 低侧绕组的第二支路可以与多模块双向功率转换器的低侧公共节点连接。 高边绕组的第一段可以与模块的第一和第二高压开关连接。 高侧绕组的第二支路可以连接到多模块双向功率转换器的高侧公共节点。 这种布置可以提供多模块双向功率转换器与任何一个或多个模块的可操作性,使得当电负载高时保持效率,并且使得当电负载低时维持零电压开关。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR GENERALIZED AC AND DC ARC FAULT DETECTION AND PROTECTION
    • 用于通用交流和直流电弧故障检测和保护的方法和装置
    • US20090079436A1
    • 2009-03-26
    • US11859677
    • 2007-09-21
    • HASSAN ALI KOJORIYang Ye
    • HASSAN ALI KOJORIYang Ye
    • G01R31/12H02H3/00
    • H02H1/0015H02H3/0935
    • According to the features discussed herein, through a single generalized arc-fault detection algorithm, various types of series and/or parallel arc faults can be detected without any nuisance trip for either AC or DC Electric Power Systems. Running Discrete Fourier Series (RDFS) formulation for nuisance-free operation and cost-effective implementation is developed. Unlike other methods which require numerous source and load-side current and voltage measurements, only source side current is required. An arc detector may include a first detector to monitor variations of a magnitude of a fundamental component of a current, and a second detector to monitor an overload condition based in an i2t calculation. A method may include obtaining a first cycle of a fundamental component of a current, obtaining a second cycle of the fundamental component of the current, and comparing the first cycle of the fundamental component of the current and the second cycle of the fundamental component of the current to determine if a difference of the first cycle and the second cycle is greater than a threshold amount.
    • 根据本文所讨论的特征,通过单一的广义电弧故障检测算法,可以检测各种类型的串联和/或并联电弧故障,而无需任何AC或DC电力系统的扰动跳闸。 开发了运行离散傅立叶级数(RDFS)制定无障碍操作和成本效益实施。 与需要大量源极和负载侧电流和电压测量的其他方法不同,仅需要源极侧电流。 电弧检测器可以包括第一检测器,用于监测电流的基波分量的幅度变化,以及第二检测器,用于监测基于i2t计算的过载状况。 一种方法可以包括获得电流的基波分量的第一周期,获得电流的基波分量的第二周期,以及比较电流的基波分量的当前和第二周期的基波分量的第一周期 电流以确定第一周期和第二周期的差是否大于阈值量。