High-efficiency low-loss hardware circuit of photovoltaic cell panel output power optimizer
A photovoltaic panel and output power technology, applied in photovoltaic power generation, photovoltaic modules, electrical components, etc., can solve the problems of not having isolation protection function, unable to eliminate the heat island effect of faulty panels, etc., and achieve the effect of improving safety and reliability
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[0024] The principles and features of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The described embodiments are only used to explain the present invention, not to limit the scope of the present invention.
[0025] Such as figure 2 As shown, a high-efficiency and low-power photovoltaic panel output power optimizer hardware circuit includes controlled electronic switches S1, S2, S3, S4, and S5, which can be, for example, semiconductor switches, diodes D1, D2, D3, D4, D5, inductance L, energy storage capacitors C1, C2, sampling resistor R1; PV panel strings are connected from the input terminals PV+ and PV-, and substrings in the PV panel strings are respectively connected to PVS1 and PVS2 (PV+ and PVS2 , PVS2 and PVS1, PVS1 and PV- are respectively connected to a group of battery board sub-strings, forming a three-level battery board string), the positive pole of ...
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