Product / Solution
Auxiliary Motor Controller (PEU)
A highly integrated controller for dual-drive auxiliary systems such as oil pumps and air pumps, featuring multi-observer sensorless control, SVPWM sinusoidal output, field-weakening algorithms, and fast diagnostics.
Product Portfolio Overview
Model Comparison
Spec |  PEU-I-H-A1 Mass Production |
|---|---|
Product Name | Oil-air pump dual-drive |
Dimensions (L×W×H) | 312×360×88.5 mm |
Weight | 5 kg |
Cooling | Water cooling |
Protection | IP67 |
Motor Type (Oil Pump) | Permanent magnet synchronous motor |
Max. Efficiency (Oil Pump) | >90% |
Rated HV (Oil Pump) | 500 V |
Voltage Range (Oil Pump) | 400V~750V |
Rated Power (Oil Pump) | 3 kW |
Peak Power (Oil Pump) | 7.5 kW |
Rated Current (Oil Pump) | 8 Arms |
Peak Current (Oil Pump) | 20 Arms |
Output Frequency (Oil Pump) | 0~300Hz |
Motor Type (Air Pump) | Permanent magnet synchronous motor |
Max. Efficiency (Air Pump) | >90% |
Rated HV (Air Pump) | 500 V |
Voltage Range (Air Pump) | 400V~750V |
Rated Power (Air Pump) | 4 kW |
Peak Power (Air Pump) | 8.4 kW |
Rated Current (Air Pump) | 8.5 Arms |
Peak Current (Air Pump) | 19.5 Arms |
Output Frequency (Air Pump) | 0~300Hz |
Speed Control Accuracy | Speed accuracy ±1% |
Key Highlights
Highlights
01
Multi-observer sensorless control algorithm
Supports stable starting and control across different operating conditions.
02
SVPWM sinusoidal output
Balances efficiency, output quality, and NVH performance.
03
Field-weakening control
Extends speed range and maintains stability in high-speed operation.
04
Protocol support
Supports XCP, OTA, and UDS.
05
Motor system status monitoring
Monitors key state variables in real time for better observability.
06
Motor system fault response
Supports fast fault response and protection handling.
07
Deeply integrated dual-drive controller
Integrates oil-pump and air-pump drive channels to reduce system complexity.
08
Inner current loop, outer speed loop
Uses an inner current loop and outer speed loop control strategy.
09
Fast data capture and fault recording
Accelerates troubleshooting and control-loop tuning.
