4-in-1 PDU (DC-DC & Inverter & pre-charge board & CCU)

4-in-1 PDU (DC-DC & Inverter & pre-charge board & CCU)

All-in-one：are mainly used in electric buses, commercial vehicles, BCS.It can be used as a DC power supply converter and provides 0-380V AC power for the power supply of compressors, with high integration (DCDC/DCAC/CCU/PTC), etc
Mass-produced model：：2-in-1 PDU, 2-in-1 drive, 4-in-1；
 

Introduction to the Integrated Electric Control System

Our integrated electric control system is a sophisticated solution designed to meet the diverse electrical needs of modern vehicles. It comprises several key modules that work in harmony to ensure efficient, reliable, and safe operation. Below is a detailed overview of each module's functionality and their synergistic relationship within the system.

1. CCU Control Module

Serving as the brain of the system, the CCU (Central Control Unit) is responsible for the overall control logic, signal processing, and fault diagnosis. Equipped with a microprocessor or other advanced control chips, the CCU monitors and controls the status of various vehicle components, ensuring seamless operation and timely response to any anomalies.

2. DC-DC Module

The DC-DC (Direct Current to Direct Current) converter plays a crucial role in voltage transformation. It converts one DC voltage level to another, commonly used to step down the high voltage from the battery to a level suitable for the vehicle's low-voltage electrical systems or vice versa. This ensures that all equipment receives the correct voltage for optimal performance.

3. DC-AC Module

Also known as the inverter, the DC-AC (Direct Current to Alternating Current) module converts DC power into AC power, catering to the needs of AC-powered devices in the vehicle, such as air conditioning compressors, oil pumps, and air pumps. This conversion allows these devices to operate efficiently and reliably within the vehicle's electrical system.

4. PDU Module (Power Distribution Unit)

The PDU is the hub for power distribution and management within the high-voltage system. It provides functions such as charge and discharge control, power-on control for high-voltage components, circuit overload and short-circuit protection, high-voltage sampling, and low-voltage control. The PDU intelligently allocates power based on the CCU's instructions and the vehicle's actual needs, while simultaneously monitoring and protecting the high-voltage system for enhanced safety.

Synergistic Relationship

At the heart of the system lies the CCU control module, which orchestrates the work of the other modules to achieve comprehensive electrical control and management. The DC-DC and DC-AC modules, acting on commands from the CCU, provide the necessary voltage conversions to ensure that devices with different voltage requirements operate normally. Meanwhile, the PDU module, guided by the CCU's instructions and responsive to the vehicle's real-time demands, intelligently distributes power while maintaining rigorous safety monitoring and protection.

Together, these modules form a cohesive and efficient electric control system, tailored to meet the evolving needs of modern vehicles and ensuring a smooth, reliable, and safe driving experience.