Vehicle-mounted charging system of electric vehicle
A technology for on-board charging and electric vehicles, which is applied in electric vehicle charging technology, electric vehicles, charging stations, etc., can solve the problems of complex charger structure, high production cost, complex structure, etc., and achieve excellent output performance, low production cost, Small size effect
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[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0056] An embodiment of the present invention provides an electric vehicle on-board charging system, such as the attached figure 1 As shown, the system includes: a three-phase power supply 1 connected in series, a first three-phase motor 2, a first three-phase inverter 3, a second three-phase inverter 4, a second three-phase motor 5, and a battery pack 6. The first contactor 7 , the second contactor 8 , the third contactor 9 , and the fourth contactor 10 . Wherein, the three-phase power supply 1 includes an upper power supply 101 , a middle power supply 102 and a low...
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