Permanent Magnet Synchronous Traction Motor

This permanent magnet synchronous traction motor is a dedicated customized three-phase permanent magnet synchronous traction power equipment for tunnel engineering vehicles and rail grinding/tamping machines. Specifically developed for rail engineering construction heavy-load, high-frequency operation, and complex tunnel operating conditions, it serves as the core drive power for engineering vehicles, fully compatible with rail grinding, track tamping, tunnel construction, and other dedicated operation requirements. The motor delivers outstanding comprehensive performance and long service life; under standard operation and regular maintenance conditions, the overall motor service life is no less than 30 years, making it the premium preferred power model for rail engineering construction equipment.

Core Product Advantages:

  • Excellent operating performance: Smooth rotational speed without fluctuation, with high speed regulation precision, perfectly compatible with rail grinding and tamping operation precision requirements, ensuring construction engineering precision.
  • High efficiency and energy savings: Maximum energy conversion efficiency up to 95%, with excellent energy efficiency performance. Long-term high-frequency construction can effectively reduce equipment energy consumption and operating costs, with outstanding energy-saving benefits.
  • Strong heavy-load adaptability: Large overload multiple, sufficient rated torque, effortlessly handling engineering vehicle heavy-load start-stop and variable-load construction conditions, with excellent load impact resistance.
  • Lightweight high integration: High power density, with small volume and light weight at equivalent power, effectively reducing overall vehicle equipment weight, optimizing engineering vehicle layout and operational flexibility.
  • Low-noise stable operation: Optimized electromagnetic structure and overall assembly process, with low operating noise and vibration, compatible with tunnel sealed construction environments, improving working conditions.
  • High reliability and long service life: Dedicated anti-demagnetization design, with strong anti-aging and impact resistance performance, extremely high operational stability, low full life-cycle failure rate, and low maintenance costs.
  • Fully enclosed maintenance-free structure: Adopts integrated fully enclosed structural design, effectively isolating tunnel dust, moisture, and impurity ingress, maintaining motor internal cleanliness, substantially simplifying daily maintenance procedures and reducing maintenance workload.

Core Technical Parameters:

  • Condition 1 (110 kW): Duty rating S1, rated power 110 kW, power receiving voltage range DC 500V–900V, rated current 170 A, rated frequency 94 Hz, rated efficiency 95%, rated speed 1,410 r/min, maximum speed 3,600 r/min, rated torque 677 N·m, pole configuration 8 poles, connection Y, insulation Class 200, cooling method water cooling, total weight 430 kg
  • Condition 2 (110 kW): Duty rating S1, rated power 110 kW, power receiving voltage range DC 1,000V–1,800V, rated current 62 A, rated frequency 94 Hz, rated efficiency 95%, rated speed 1,410 r/min, maximum speed 3,600 r/min, rated torque 677 N·m, pole configuration 8 poles, connection Y, insulation Class 200, cooling method water cooling, total weight 430 kg
  • Condition 3 (165 kW): Duty rating S1, rated power 165 kW, power receiving voltage range DC 1,050V, rated current 122 A, rated frequency 75 Hz, rated efficiency 94.50%, rated speed 1,500 r/min, maximum speed 5,600 r/min, rated torque 1,051 N·m, pole configuration 8 poles, connection Y, insulation Class 200, cooling method water cooling, total weight 550 kg

Application Scenarios:

Specifically customized for tunnel engineering construction vehicles, rail grinding machines, rail tamping machines, and other rail engineering dedicated equipment, compatible with tunnel sealed, multi-dust, high-frequency heavy-load operating conditions. Also compatible with high-speed railway, new intercity EMU, and high-end urban rail transit train traction drive systems, as well as subway, intercity light rail, urban rail transit, high-speed railway supporting ventilation systems, braking systems, traction auxiliary systems, track maintenance equipment, and platform machinery equipment — full-scenario supporting power equipment for rail transit.