Traction converter of straddle type monorail train
A traction converter, straddle-type monorail technology, applied in the direction of converting AC power input to DC power output, locomotives, motor vehicles, etc., can solve performance parameters, interface, stability can not match, can not be replaced in time, use cost Advanced problems, to achieve the effect of improving system reliability, good real-time performance and good reliability
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[0014] The present invention will be further described below with reference to the accompanying drawings.
[0015] A straddle type monorail train traction converter, the traction converter includes a main circuit module and a control circuit, the main circuit module is provided with a precharge circuit, an overvoltage protection circuit, an input filter circuit and a traction inverter circuit module, wherein , The precharge circuit precharges the input filter circuit and limits the charging current. The input filter circuit provides a stable DC voltage for the traction inverter circuit, and performs voltage surge protection and limits harmonics. The overvoltage protection circuit controls the filter capacitor in the input filter circuit. The voltage on the filter capacitor is prevented from being too high. The traction inverter circuit module is used to invert the DC voltage into three-phase AC power to drive the traction motor. The control circuit includes a traction controll...
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