Parallel-form power quality conditioner for direct current power system
A power system and power quality technology, applied in the parallel operation of DC power supplies, DC circuits can reduce harmonics/ripples, electrical components, etc., can solve few DC power systems, research and invention of power quality regulators, power quality Adjustment technology and devices cannot adapt to the requirements of the DC power system, etc., to reduce the loss of open circuit faults, prevent further expansion, and stabilize fluctuations
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The structures in the figures are all open and not limited to the structures drawn in the figures.
[0032] A parallel DC power system power quality regulator provided by the present invention has a schematic diagram of its circuit structure as shown in figure 1 As shown, it includes: DC / DC bidirectional converter, DC energy storage unit, filter unit, voltage and current signal acquisition unit and controller; the voltage and current signal acquisition unit is connected to the controller, and the controller is respectively connected to the DC / DC bidirectional converter and storage The energy unit, and the DC / DC bidirectional converter are respectively connected to the filter unit and the energy storage unit. More specifically, the DC / DC bidirectional converter is connected to the filter unit through two DC ports c and d, and the DC / DC bidirectional...
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