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    • 3. 发明授权
    • Solar photovoltaic junction box
    • 太阳能光伏接线盒
    • US08723547B2
    • 2014-05-13
    • US13539133
    • 2012-06-29
    • Haruyasu KomanoKazuo KotaniNaofumi Chiwata
    • Haruyasu KomanoKazuo KotaniNaofumi Chiwata
    • G01R31/26
    • H02S40/34H02S50/10Y10T307/74Y10T307/747
    • A solar photovoltaic junction box for being electrically connected to a solar cell array. The junction box comprises a plurality of input branch lines electrically connected to solar cell strings, an output aggregate line that converges the plurality of branch lines, a back-flow preventing diode provided on each of the branch lines, a capacitor parallel-connected to each of the back-flow preventing diodes, an AC voltage generator that is provided on the aggregate line to allow an AC voltage to be applied to the solar cell array, a measuring means for measuring an alternating current flowing in the solar cell array, and a control unit comprising an malfunction determination portion for determining a malfunction in the solar cell array on the basis of the AC voltage applied by the AC voltage generator and the alternating current measured by the measuring means.
    • 一种用于电连接到太阳能电池阵列的太阳能光伏接线盒。 接线盒包括电连接到太阳能电池串的多条输入支线,汇聚多根分支线的输出聚集线,设置在每条分支线上的防逆流二极管,并联连接到每条支线上的电容器 的逆流防止二极管,设置在聚集线上以允许AC电压施加到太阳能电池阵列的AC电压发生器,用于测量在太阳能电池阵列中流动的交流电流的测量装置,以及 控制单元包括故障确定部分,用于基于由AC电压发生器施加的AC电压和由测量装置测量的交流电流来确定太阳能电池阵列中的故障。
    • 6. 发明授权
    • Malfunction detecting device for solar cell panel
    • 太阳能电池板故障检测装置
    • US08766661B2
    • 2014-07-01
    • US13468230
    • 2012-05-10
    • Haruyasu KomanoKazuo KotaniNaofumi Chiwata
    • Haruyasu KomanoKazuo KotaniNaofumi Chiwata
    • G01R31/26
    • H02S50/10Y10T307/74Y10T307/747
    • A malfunction detecting device for a solar cell panel includes an AC source that is provided on one of positive and negative sides of a solar cell panel body and can apply AC voltage superimposed on DC voltage to the solar cell panel, a measuring means provided on another of the positive and negative sides of the solar cell panel body to measure voltage or current output from the solar cell panel, and a control unit including a malfunction determination portion that controls the AC source to control input voltage or input current to be input to the solar cell panel and determines malfunction in the solar cell panel by comparing the input voltage or the input current to output voltage or output current measured by the measuring means. The malfunction determination portion includes a panel body malfunction determination portion and a bypass diode malfunction determination portion.
    • 太阳能电池面板的故障检测装置包括设置在太阳能电池面板主体的正极和负极之一上的AC电源,并且可以向太阳能电池板施加叠加在DC电压上的交流电压,在另一个上设置的测量装置 的太阳能电池面板主体的正极和负极,以测量来自太阳能电池板的电压或电流输出;以及控制单元,其包括控制AC电源以控制输入电压或输入电流的故障确定部分,以输入到 太阳能电池板,并通过将输入电压或输入电流与由测量装置测量的输出电压或输出电流进行比较来确定太阳能电池板的故障。 故障确定部分包括面板主体故障确定部分和旁路二极管故障确定部分。