Fault diagnosis method for sequentially switched parallel regulator
A shunt regulator and sequence switch technology, which is applied in the monitoring of current collectors, photovoltaic systems, photovoltaic modules, etc., can solve the problems of inability to accurately detect and locate faults of shunt regulators, and achieve accurate fault positioning and fault missed detection rate. Low, low detection volume effect
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[0041] The present invention will be described in further detail below with reference to the figures and examples, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended as limitations of the present invention.
[0042] The following is a detailed description of the sequential switch shunt regulator fault diagnosis method. The structure of the sequential switch shunt regulator in this embodiment is as follows image 3 shown.
[0043] Assume that a satellite power supply adopts a sequential switch shunt regulator to adjust the output power of the solar cell array and the bus voltage. There are 12 levels of shunt regulation circuits in total, of which the first level shunt regulation circuit has the priority of shunting, followed by the second level, the third level, ... , the 12th stage, adopts the fully regulated busbar topology, and its busbar voltage is constant V bus =100V.
[0044] Adopt the ...
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