Electric vehicle drive system

Hair-Pin motor（mini Van ）

Compared to traditional round-wire motors, hair-pin motors achieve a 20%-30% increase in slot fill factor, offering advantages such as higher efficiency, greater power density, improved heat dissipation, lower noise, and reduced weight, making them a cutting-edge development path for motors in new energy logistics vehicles.

Product characteristics

Platform based

Wolong has an OD146-OD530 motor punching platform. A motor punch has multiple power segments, and the platformization of motors facilitates customer installation and effectively reduces costs.
Product consistency

Wolong has multiple intelligent motor production lines. Equipped with fully automated winding and embedding machine and robot automation integrated system, it can achieve fully automated production and ensure stable product quality
Efficient

The motor adopts high-performance permanent magnets. It has the characteristics of high power density, high efficiency and energy saving. The max efficiency of the motor is ≥ 97%, and the proportion of the high-efficiency zone is ≥ 90%.
High reliability

The laboratory has obtained CNAS (China National Accreditation Service) certification.Covering over 85 testing items such as input-output characteristics, safety, environmental adaptability, reliability, NVH, etc

Motor specification

Rated voltage (VDC)	336
Rated power (kW)	30
Rated torque (Nm)	70
Rated speed (rpm)	4093
Insulation level	H
Weight (kg)	30
Cooling method	Liquid cooling
CEMF (Vpeak)	630@12000rpm
Peak power (kW)	70
Peak torque (Nm)	176@60S
Max speed (rpm)	12000
Protection level	IP67
Peak current (Arms)	230