Super capacitor and accumulator hybrid energy-storing series type dynamic voltage restorer
A technology of dynamic voltage recovery and supercapacitor, which is applied to battery circuit devices, systems for storing electric energy, collectors, etc., to achieve fast response time, reduce the number of charge and discharge cycles, and shorten the time to clear faults
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[0032] The series-type dynamic voltage restorer for hybrid energy storage of a supercapacitor and a storage battery according to the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0033] The main circuit diagram of the series dynamic voltage restorer for hybrid energy storage of supercapacitor and storage battery according to the embodiment of the present invention is as follows figure 1 shown, including:
[0034] (1) The charging device for charging the hybrid energy storage system of supercapacitor and battery, including a single-phase rectifier bridge composed of four power diodes D1-D4, a filter composed of inductor L1 and capacitor C1, and three Two electronic switches K1, K2, K3, the capacitor C1 of the filter is connected in parallel on the DC side of the rectifier bridge, the inductance L1 in the filter is connected in series in the charging current circuit, and the electronic switch K1 is connected...
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