A serial module-level photovoltaic shutdown system
A tandem, photovoltaic technology, applied in the direction of photovoltaic modules, photovoltaic power generation, electrical components, etc., can solve the problems of complicated wiring installation, increased cost, unstable operation of multi-component level quick shutdown devices, etc., to reduce system costs, install Convenience and the effect of improving system reliability
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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.
[0037] Such as figure 1 As shown, the series module-level photovoltaic shutdown system provided in this embodiment includes a photovoltaic module 101 11 ~101 mn , a series photovoltaic switch 102 11 ~102 (m-1)n , shutdown controller 103, photovoltaic inverter 104, grid 105, wherein:
[0038] Photovoltaic Modules 101 11 ~101 m1 and series photovoltaic disconnector 102 11 ~102 (m-1)1 A photovoltaic string is formed in an alternating series, that is, a series photovoltaic switch 102 11 Connected to photovoltaic modules 101 11 and Photovoltaic Modules 101 12 Betwe...
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