PHOTOVOLTAIC SYSTEMS WITH VOLTAGE BALANCERS
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United States of America Patent
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Issued Date -
Feb 7, 2013
app pub date -
Oct 3, 2011
filing date -
Aug 3, 2011
priority date (Note) -
Abandoned
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Abstract
A photovoltaic module includes N sub-modules electrically connected to each other such that the negative terminal of any one but the last sub-module is electrically connected to the positive terminal of the immediate next sub-module, and N−1 voltage balancers, each having a first terminal, a second terminal and a third terminal. The second and third terminals of any one but the last voltage balancer are electrically connected to the third and first terminal of the immediate next voltage balancer, respectively. The first terminal of the first voltage balancer is electrically connected to the positive terminal of the first sub-module. The second terminal of the last voltage balancer is electrically connected to the negative terminal of the last sub-module. The third terminal of the j-th voltage balancer is electrically connected to both the negative terminal of the j-th sub-module and the positive terminal of the (j+1)-th sub-module.
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