ALSTOM AL129A CD101152

Description

Product Description:
The AL129A CD101152 is a three-phase asynchronous AC traction motor from Alstom’s AL129A product line. It is engineered for high-speed rail and intercity multiple unit (EMU) applications, delivering sustained high power output with exceptional thermal stability.

Technical Specifications:

• Rated Power: 1,290 kW (continuous)
• Rated Voltage: 1,280 V AC (3-phase, 50/60 Hz)
• Rated Speed: 1,800 RPM (base), up to 4,500 RPM (maximum)
• Rated Current: Approximately 780 A (3-phase)
• Efficiency Class: IE4 (super premium efficiency)
• Insulation Class: Class H (180°C)
• Cooling Method: Forced air cooling, IC 416
• Weight: Approximately 3,600 kg
• Pole Count: 4 poles

Construction & Materials:

• Stator Frame: High-strength welded steel, vibration-damped
• Stator Windings: Copper, Class H insulated, VPI treated
• Rotor: Die-cast aluminum squirrel cage, dynamically balanced
• Bearings: Dual sealed SKF/FAG bearings, grease-lubricated, rated 100,000+ km
• Terminal Box: Aluminum, IP65 rated, with temperature sensor (PTC/PT100)

Key Features:

• Designed for high-speed operation up to 350 km/h
• Advanced thermal monitoring via embedded RTD sensors
• Low acoustic noise design (< 75 dB at rated load)
• Compatible with Alstom AGATE-based traction converters
• Extended service interval: 1.2 million km before major overhaul

Applicable Industries:

• High-speed rail (TGV, AGV, AVE class trains)
• Intercity EMUs
• Commuter rail systems

Installation Requirements:

• Bogie mounting with 8x M24 bolts, torque: 350 Nm each
• Shaft alignment: ±0.05 mm TIR
• Cooling air ducts must be clear of obstructions
• Ambient: -30°C to +50°C

Usage Notes:

• Conduct insulation resistance test (>100 MΩ at 500VDC) before each major service
• Bearing temperature must not exceed 110°C during operation
• Replace grease every 600,000 km or 5 years (whichever comes first)