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公开(公告)号：US09401599B2
公开(公告)日：2016-07-26
申请号：US13315754
申请日：2011-12-09
申请人： Liron Har-Shai , Alon Zohar , Yoav Galin , Meir Adest
发明人： Liron Har-Shai , Alon Zohar , Yoav Galin , Meir Adest
CPC分类号： H02J1/00 , H01L31/02021 , H01L31/042 , H02H3/16 , H02H3/33 , H02H7/20 , H02J3/383 , Y02E10/56 , Y02E10/563 , Y10T307/696
摘要： A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.
摘要翻译： 公开了可操作以互连多个互连光伏电力串的直流（DC）功率组合器。 DC功率组合器可以包括适于从多个互连的光伏电池串中断开至少一个光伏串的设备，每个光伏串可由第一和第二DC电力线连接。 该装置可以包括适于通过比较第一和第二DC电力线中的相应电流来测量差分电流的差分电流传感器。 第一开关与第一直流电源线串联连接。 控制模块可操作地附接到差动电流传感器和第一开关。 当差分电流传感器测量差分电流大于最大允许电流差值时，控制模块可操作以打开第一开关，从而将光伏串与互连的光伏电源线断开。
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公开(公告)号：US09325166B2
公开(公告)日：2016-04-26
申请号：US13315754
申请日：2011-12-09
申请人： Liron Har-Shai , Alon Zohar , Yoav Galin , Meir Adest
发明人： Liron Har-Shai , Alon Zohar , Yoav Galin , Meir Adest
摘要： A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.
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公开(公告)号：US20120175961A1
公开(公告)日：2012-07-12
申请号：US13315754
申请日：2011-12-09
申请人： Liron Har-Shai , Alon Zohar , Yoav Galin , Meir Adest
发明人： Liron Har-Shai , Alon Zohar , Yoav Galin , Meir Adest
IPC分类号： H02J1/00
CPC分类号： H02J1/00 , H01L31/02021 , H01L31/042 , H02H3/16 , H02H3/33 , H02H7/20 , H02J3/383 , Y02E10/56 , Y02E10/563 , Y10T307/696
摘要： A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at least one photovoltaic string from the multiple interconnected photovoltaic strings, each photovoltaic string connectible by a first and second DC power line. The device may include a differential current sensor adapted to measure differential current by comparing respective currents in the first and second DC power lines. A first switch is connected in series with the first DC power line. A control module is operatively attached to the differential current sensor and the first switch. The control module may be operable to open the first switch when the differential current sensor measures the differential current to be greater than a maximum allowed current differential, thereby disconnecting the photovoltaic string from the interconnected photovoltaic strings.
摘要翻译： 公开了可操作以互连多个互连光伏电力串的直流（DC）功率组合器。 DC功率组合器可以包括适于从多个互连的光伏电池串中断开至少一个光伏串的设备，每个光伏串可由第一和第二DC电力线连接。 该装置可以包括适于通过比较第一和第二DC电力线中的相应电流来测量差分电流的差分电流传感器。 第一开关与第一直流电源线串联连接。 控制模块可操作地附接到差动电流传感器和第一开关。 当差分电流传感器测量差分电流大于最大允许电流差值时，控制模块可操作以打开第一开关，从而将光伏串与互连的光伏电源线断开。
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