Rail transit car carries DC -DC air conditioner power supply device

• Main Authors: LIU CHAOFA, SHU JUNQING, YANG BIN, WANG YINGYAO
• Format: Patent
• Language: Chinese; English
• Published: 26.06.2018
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model provides does a rail transit car carry DC is the DC air conditioner power supply device including DC DC dc circuit, DC DC dc circuit includes input capacitance, carborundum switch tube VT1, VT2, transformer, rectifier unit and output filtering unit, the direct -current input end is connected at the both ends of input capacitance, parallel connection between carborundum switch tube VT1, carborundum switch tube VT2 and the input capacitance, carborundum switch tube VT1 and carborundum switch tube VT2 are connected respectively to the former avris of transformer, and rectifier unit is connected to the vice avris of transformer, and rectifier unit still is connected with output filtering unit. The utility model discloses a switching frequency can improve at double, and then makes size, volume and the weight of a dress device effectively to reduce, and weight can effectively reduce, simultaneously owing to improved switching frequency, the effectual noise that reduces theair conditioner power sup