Direct current charging system based on new energy automobile

The utility model relates to a direct current charging system based on new energy automobile belongs to new energy resources equipment technical field. This system includes that the direct current fills electric pile, this direct current fills electric pile and includes power frequency step -down isolation transformer, rectifier module, non - isolation voltage reducing module that steps up, outputmodule and control module, this power frequency step -down isolation transformer's input is connected with high voltage electric network's output electricity, this power frequency step -down isolation transformer's output is connected with this rectifier module's input electricity, output and this non - isolation of this rectifier module are stepped up voltage reducing module's input electricityand are connected, this non - isolation is stepped up voltage reducing module's output and this output module's input electricity and is connected, this control module respectively with this non - isolation step up voltage red