EC02 Generator and Controller Functional Specifications (Podcast)

Cement Mixer Truck (24V/400V Platform) Development (P2 Hybrid + ePTO Hybrid System)

This technical report serves as a comprehensive engineering blueprint for developing a hybrid electric concrete mixer truck, specifically focusing on the 400V power generation system. The document outlines a strategic transition from traditional diesel-hydraulic systems to a series hybrid architecture, where a high-efficiency Permanent Magnet Synchronous Motor (PMSM) and a Silicon Carbide (SiC) controller work together to reduce fuel consumption and noise. By decoupling the engine from the mechanical load, the system allows the vehicle to maintain mixing operations during parking while keeping the engine in its most efficient performance range.

The text is structured to address the rigorous demands of construction environments, prioritizing functional safety and hardware durability. A central theme is the implementation of Active Damping technology, a sophisticated control logic that uses the motor’s rapid response to cancel out the mechanical vibrations inherent in diesel engines. Furthermore, the report establishes strict compliance with ISO 26262 safety standards and J1939 communication protocols, ensuring the high-voltage system remains stable and controllable under extreme stress. Ultimately, the source functions as a technical mandate for engineers and suppliers, providing the exact specifications—from power ratings to thermal management—required to build a reliable, environmentally compliant heavy-duty vehicle.

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*Core Technology List:*
1. SCU (Supervisory Controller Unit) Functional Specifications
2. Generator and Controller Functional Specifications
3. Drive Motor and Controller Functional Specifications
4. Premixed Cement System Power Battery Box Functional Specifications
5. High-Voltage Wiring Harness and Connector Functional Specifications
6. DC-DC Converter Functional Specifications
7. High-Voltage Contactors (Relays/Contactors) Functional Specifications
8. High-Voltage Fuses Functional Specifications
9. Electric Cement Premixed Truck Overall Vehicle Functional Specifications
10. Electric Superstructure System Design and Development Project Content and Schedule Planning
11. Vehicle System Integration Design
12. Body Component Design and Development
13. Human-Machine Interface (HMI) Development
14. Vehicle Testing and Verification Plan
15. Electric System Onboard Retrofit and Integration
16. High-Voltage System Architecture Planning
17. Completed Vehicle VCU Software Functional Development
18. Completed Vehicle SCU Functional tuning and development
19. System performance testing
20. System regulatory certification