H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 5/00 (2006.01) H02J 1/10 (2006.01) H02J 13/00 (2006.01)
Patent
CA 2711020
A circuit arrangement in combination with a first string of series-connected solar modules separated into a first substring and a second substring is provided, wherein each substring includes a first terminal and a second terminal, and further in combination with a solar inverter configured to supply electrical energy from the solar modules to an AC power grid. The arrangement includes a first switch configured to selectively couple the first terminal of the first substring to a first power cable of the inverter, and a second switching circuit configured to selectively couple the second terminal of the first substring to a first terminal of the second substring at a center point, thereby coupling the first and second substrings to form the at least one string. The arrangement further includes a third switch configured to selectively couple the second terminal of the second substring to a second power cable of the inverter, and a shared actuator configured to open the first switch, the second switching circuit, and the third switch if a current between the center point and a circuit ground exceeds a threshold value.
Pain & Ceballos Llp
Sma Solar Technology Ag
LandOfFree
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