Extended-range electric vehicle high-voltage control system and control mode thereof

The invention discloses a high-voltage control system for an extended-range electric vehicle and a control mode of the high-voltage control system, the high-voltage control system comprises a power battery high-voltage loop module, a GCU high-voltage loop module, an all-in-one controller high-voltage loop module and a CAN network module, the power battery high-voltage loop module is respectively connected with the GCU high-voltage loop module and the all-in-one controller high-voltage loop module; the GCU high-voltage loop module is connected with the all-in-one controller high-voltage loop module and is accessed to the CAN network module; the CAN network module further comprises a hybrid controller HCU sub-module, a generator controller GCU sub-module, a power battery and management system sub-module and an all-in-one controller sub-module; according to the scheme provided by the invention, the control logic is simplified, the pre-charging process is automatically monitored and diagnosed by the controller, H