Power coupling system and straddle-type monorail vehicle

Abstract

The utility model provides a kind of power coupling system and straddle-type monorail vehicle, it is related to rail transit vehicle technical field, including direct current bus unit, input unit, bidirectional LLC high frequency converter and output unit, input unit includes positive contact rail and negative contact rail;The positive input end and negative input end of bidirectional LLC high frequency converter are connected respectively with positive contact rail and negative contact rail, and its positive output end and negative output end are connected with direct current bus unit;Output unit includes traction inverter, air conditioner frequency converter and auxiliary inverter. Efficient adaptation and stable conversion to the wide voltage range input of contact rail are realized by bidirectional LLC high frequency converter, uniform direct current bus voltage is output by direct current bus unit, effectively solve the compatibility problem of two power supply systems, and based on the platform design of uniform direct current bus voltage, power coupling system can simultaneously power different power units, improve the integration and versatility of system.

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