Control Strategy for AC Charging

Electrical Principles of AC Charging
According to the standard requirements, the CC signal is a judgment signal for whether the charging plug and charging socket are connected. At the same time, the vehicle judges the RC resistance value and determines the capacity of the wiring harness based on the signal value of CC. The CP signal is used to determine the power supply capacity of the power supply equipment and is determined by the PWM value. The resistance values and PWM values in the electrical schematic diagram must meet the standard requirements, and the controller must make judgments according to the standards to meet the charging needs of the vehicle in the market.

Our main products are Chemical Pump Motor ,Well Pump Motor,Vacuum Pump Motor ,Water Pump Motor,Oil Pump Motor,Pool Pump Motor,Low RPM Electric Motor ,Three-phase Blower Motor ,motor,fan motor,blower motor,ventilator motor,exhaust fan motor.

Control Strategy for AC Charging

The electrical schematic diagram, detection and control meet the standard requirements, and for the convenience of customers, the control strategy and sequence of AC charging are as follows:
① The onboard charger detects CC and CP signals, and can determine the capacity of the charging line based on the CC signal. Based on the CP signal, it can determine the power supply capacity of the power supply equipment.

② When the vehicle is in a dormant or parked state, when the charging plug is plugged into the charging socket, the onboard charger detects CC or CP and wakes up on its own.

③ After the on-board charger wakes up, it wakes up the VCU and BMS.

④ After the VCU and BMS are awakened, they begin to enter AC charging mode and detect the vehicle status, that is, whether there is a malfunction in the vehicle and whether the battery is fully charged.

⑤ The on-board charger provides feedback on the charging harness status and power supply equipment information to the BMS.

⑥ BMS sends commands to start or stop charging to the onboard charger based on the feedback information from the onboard charger and the status of the vehicle.

⑦ The power supply control device of the charging line or AC Charging station judges the vehicle status through the CP signal, connects or disconnects K1 and K2, that is, connects or disconnects the AC power input.

⑧ The on-board charger starts or stops working according to the received instructions, charging or stopping the vehicle and entering sleep mode.

The above is a brief description of the control of the charging process. At the beginning of the whole charging process, the vehicle and the AC Charging station (or charging line) will first judge whether the charging interface is well connected, and then the vehicle will judge whether to start charging. Therefore, the customer must plug in and grab in place, which is also to ensure charging safety. In terms of usage, customers only need to insert and grab, without performing any other operations. The vehicle immediately enters charging mode and starts charging, improving the convenience of customers' use. In practical use, if the vehicle is charging and the power grid runs out of power, the vehicle will automatically enter sleep, reducing its own energy consumption; When there is another call, the vehicle will automatically wake up and detect its status. If the vehicle is not fully charged, it will continue to charge. If it is fully charged, it will stop charging and enter sleep, reducing energy consumption.

Our products are mainly used in water pump power, fan power, machine equipment power, agricultural machinery power, new energy vehicle power, marine equipment power and other fields.