The invention discloses an electric vehicle charger on-line output series-parallel connection automatic switching device, which relates to the technical field of electric vehicle chargers, and comprises at least two power supply modules, and a relay assembly and a triode assembly which are connected between any two adjacent power supply modules, the relay assembly comprises a first relay, a second relay and a third relay, and the triode assembly comprises a first triode, a second triode and a third triode. The two ends of the first relay, the second relay and the third relay are respectively connected in parallel with the first triode, the second triode and the third triode, so that the charger module can realize on-line series-parallel connection switching.
本发明公开了一种电动汽车充电机在线输出串并联自动投切装置,涉及电动汽车充电机技术领域,包括至少两个电源模块以及连接在任意相邻两个电源模块之间的继电器组件和三极管组件,所述继电器组件包括第一继电器、第二继电器和第三继电器,所述三级管组件包括第一三极管、第二三极管和第三三极管。本发明通过在第一继电器、第二继电器、第三继电器的两端分别并联第一三极管、第二三极管、第三三极管,使得充电机模块可以实现在线串并联的切换。
Online output series-parallel connection automatic switching device and method for electric vehicle charger
一种电动汽车充电机在线输出串并联自动投切装置及方法
2022-03-04
Patent
Electronic Resource
Chinese
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