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- 中文
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Aviation Electric Drive System
EZ-DRIVE relies on its profound expertise in new energy vehicle electric drive systems to launch three generations of aviation electric drive products covering various eVTOL models for the aviation electrification scenario, providing highly reliable and high-power-density power solutions for vertical take-off and landing aircraft.
Gen1: Integrated Aviation Electric Drive (for main propulsion of winged/ducted eVTOL)
Core Positioning:Provides mature and reliable main propulsion for winged and ducted eVTOL, and has passed flight verification.
Technical Highlights:
- Adopts 800V SiC oil-cooled electric control and customized avionics-grade power modules, adapting to harsh aviation environments.
- Compact planetary gear reduction mechanism, combined with multi-stage active + splash lubrication, adaptable to 0–180° multi‑posture installation.
- Self-developed X‑pin motor with oil cooling inside slots, achieving an ultra-high power density of > 7 kW/kg for the “three-in-one” system.
Gen2: Direct‑Drive Aviation Electric Drive (for main propulsion of tilt‑rotor eVTOL)
Core Positioning:Specially designed for tilt‑rotor eVTOL with dual redundancy to meet power demands under complex flight attitudes.
Technical Highlights:
- Equipped with 800V SiC oil-cooled dual electric control and customized avionics-grade power modules to enhance system reliability.
- Efficient heat dissipation structure with stator self‑circulating oil cooling + rotor air cooling, eliminating the need for a whole‑aircraft water circuit and simplifying system design.
- Self-developed dual‑winding X‑pin stator, creating a high‑torque outer‑rotor direct‑drive motor with a torque density of 20 Nm/kg.
Gen2.1: Direct‑Drive Aviation Range Extender (for range‑extended eVTOL)
Core Positioning:Provides a dedicated power solution for range‑extended eVTOL, supporting adaptation to multiple engines.
Technical Highlights:
- Adopts 800V SiC water-cooled electric control and customized avionics-grade power modules, balancing efficiency and heat dissipation.
- Rotor without potting material + oil cooling inside magnet slots reduce magnet temperature by 20%, improving system stability.
- Reciprocating forced convection cooled stator + winding spray design increase continuous performance by 15%.
Overall Features
- Platform-based Coverage:The product matrix covers mainstream eVTOL configurations including winged, tilt‑rotor, and range‑extended types, meeting diverse scenario demands.
- High Power / Torque Density:Core technologies such as SiC electric control, high‑efficiency oil cooling, and X‑pin windings achieve industry‑leading power and torque density.
- Aviation‑Grade Reliability:Customized avionics‑grade power modules, redundant design, and mature flight verification ensure flight safety.
- System Integration:Highly integrated “three‑in‑one” or direct‑drive solutions simplify aircraft design, reducing weight and complexity.
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