The ALSTOM DSI1817 TRVC062335000 CP00003934 is a mission-critical traction control interface module from ALSTOM’s Atlas 400 series, specifically engineered for metro train propulsion systems. This 64-channel digital signal processor coordinates between IGBT traction converters and vehicle control units (VCUs) with 50μs cycle time precision. The DSI1817 TRVC062335000 CP00003934 implements EN 50128 SIL-2 certified control logic, ensuring fail-safe operation in automatic train operation (ATO) scenarios.
As part of ALSTOM’s modular traction architecture, this unit features patented Dynamic Load Balancing technology that optimizes power distribution across up to 8 motor groups. Its dual-redundant Profinet IRT interfaces synchronize with trackside ATP systems while maintaining 0.1° phase angle accuracy in regenerative braking modes. The ALSTOM DSI1817 series withstands 15g vibration levels (EN 61373 Category 1) in underground tunnel environments.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DSI1817 TRVC062335000 CP00003934 |
| Manufacturer | ALSTOM Transport |
| Product Type | Traction System Interface Module |
| Processor | Dual-core PowerPC e6500 @ 1.5GHz |
| Memory | 4GB DDR3 + 32MB FRAM |
| Digital I/O | 64 channels (32 in/32 out) |
| Communication | Profinet IRT, MVB Class 4 |
| Protocol Support | IEC 61375-2-3, EN 50155 |
| Power Supply | 74VDC (50-110V range) |
| Power Dissipation | 22W typical / 35W peak |
| Isolation Voltage | 2500V AC (channel-to-system) |
| Operating Temp | -40°C to +85°C |
| Humidity | 5-100% condensing |
| Shock Resistance | 50g/30ms (EN 50155) |
| Certifications | EN 50121-3-2, EN 45545-2 |
| MTBF | 250,000 hours |
Key Features and Advantages:
Real-time traction optimization: The ALSTOM DSI1817 TRVC062335000 CP00003934 employs adaptive PWM generation algorithms that reduce motor harmonic losses by 18% compared to conventional systems. Its 16-bit current sensing resolution enables precise torque control (±0.5%) across all speed ranges.
Cybersecurity hardened design: Features secure boot with hardware-based root of trust and AES-256 encrypted firmware updates. The module’s intrusion detection system automatically quarantines suspicious Profinet traffic patterns.
Condition monitoring: Integrated thermal modeling predicts IGBT module degradation 400-800 hours in advance using junction temperature analytics. Front-panel OLED displays real-time DC link voltage (0-2000V range) with 1V resolution.
Application Areas:
The ALSTOM DSI1817 TRVC062335000 CP00003934 is indispensable for:
- Metro traction systems: Regenerative braking coordination
- Tram networks: Gradient-based torque limitation
- Mining locomotives: Wheel slip/slide protection
- High-speed rail: Pantograph-catenary dynamics control
In battery-electric multiple units (BEMUs), this module manages 3000A peak current distribution between traction batteries and auxiliary systems. Its marine variant controls azimuth thrusters in electric ferry propulsion.
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Installation and Maintenance:
Installation preparation: Ensure proper grounding (≤10mΩ) for the ALSTOM DSI1817 TRVC062335000 CP00003934 using 35mm² copper straps. Maintain 75mm clearance from high-voltage cables (>1000V) to prevent electromagnetic interference.
Maintenance recommendations: Perform semi-annual insulation resistance tests at 2500V DC between power and control circuits. Replace internal supercapacitors (P/N ALSP-CAP-0227) every 5 years or when capacitance drops below 85% of rated value. Use ALSTOM DIA-4000 analyzer for PWM waveform validation during preventive maintenance.
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