CAN communication based three-mode intelligent control method and application thereof in dual-power supply dynamic system
A CAN communication and intelligent control technology, which is applied in the integration of power network operating systems, electric vehicles, emergency power supply arrangements, etc., can solve the problem of shortening the life and running time of lithium-ion battery packs, not conforming to the social concept of new energy equipment, and instantly speeding up users Insensitivity deterioration and other problems, to achieve the effect of long battery running time, high battery energy recovery rate, and fast start-up
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[0040] Combine below figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 The patent of the invention is described in detail:
[0041] according to figure 1 As shown, 1 master controller ECU, 2-1 motor controller MCU, 2-2 inverter, 3-1 three-mode control unit, 3-2 main BMS, 3-3 slave BMS, 4 main power battery pack, 5. Auxiliary power capacitor group, 6. One-way thyristor diode, 7. Motor, 8. Charger are connected in the system, and the communication address and code are set according to the CAN protocol;
[0042] When charging, the 8 chargers send the charging signal to the main controller ECU 1, the three-mode control unit 3-1 and the main BMS 3-2 through CAN communication, and the main controller ECU 1 immediately turns off the motor controller 2-2 to achieve safety The charging prohibition mode, and after the three-mode control unit and the main BMS receive the signal, the circuit switches to the charging mode, and the main power battery pack 4 and the auxiliary pow...
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