DCC2382A 3EST125-975 BOMBARDIER
DCC2382A 3EST125-975 BOMBARDIER - Image 2
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DCC2382A 3EST125-975 BOMBARDIER

Main Features and Advantages

The Bombardier 3EST125-975 DCC2382A harnesses field-oriented control (FOC) algorithms executed on a dedicated DSP core, delivering millisecond-precision torque and speed regulation that outperforms traditional scalar methods by 25% in dynamic response. This enables superior wheel-slip control during acceleration and braking, maximizing tractive effort while protecting axles from mechanical stress—crucial for heavy-haul freight or densely packed commuter services.

Fault tolerance stands paramount: the Bombardier 3EST125-975 DCC2382A features triple-redundant watchdog timers and hardware-based overcurrent desaturation detection, isolating faults in under 5 μs to prevent cascading inverter failures. Integrated sensorless estimation routines complement physical Hall sensors, ensuring continued operation even if a current transducer degrades, thereby extending mean time to repair (MTTR) in remote depots.

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    • Description

    Product Overview

    The Bombardier 3EST125-975 DCC2382A represents the pinnacle of digital command and control technology tailored for high-performance rail propulsion systems, originating from Bombardier’s advanced MITRAC traction platform. As a core Digital Control Card (DCC) module, the Bombardier 3EST125-975 DCC2382A orchestrates precise power conversion, motor drive synchronization, and real-time fault management within IGBT-based inverters that power modern electric multiple units (EMUs), locomotives, and metro trains. Belonging to the 3EST125 family of plug-in control boards, this module integrates seamlessly into Bombardier’s modular Vehicle Control Units (VCUs), delivering SIL-2 certified safety while supporting regenerative braking and energy-efficient operation across diverse rail networks.

    At its heart, the Bombardier 3EST125-975 DCC2382A employs a high-speed DSP microprocessor to execute vector control algorithms, ensuring torque ripple below 1% and adhesion utilization exceeding 95% even on slippery tracks. Its primary role involves translating train-line commands from the TCMS (Train Control and Management System) into pulse-width modulated gate signals for traction inverters, while continuously monitoring phase currents, voltages, and temperatures to preempt thermal overloads. This positions the Bombardier 3EST125-975 DCC2382A as an indispensable asset in urban mass transit and high-speed intercity applications, where downtime costs soar and passenger safety is non-negotiable.

    Engineered for the rigors of rail environments, the Bombardier 3EST125-975 DCC2382A incorporates galvanic isolation, EMC-hardened interfaces, and conformal-coated PCBs to withstand vibrations up to 5g and temperatures from -40°C to +85°C. By enabling seamless integration with CANopen, MVB, or Ethernet-based train communication networks, it empowers operators to achieve predictive maintenance through embedded diagnostic logs, slashing unplanned repairs by up to 40%. In essence, the Bombardier 3EST125-975 DCC2382A transforms raw electrical energy into smooth, responsive propulsion, driving the future of sustainable rail mobility with unmatched precision and resilience.

    Technical Specifications

    Parameter Name Parameter Value
    Product Model 3EST125-975 DCC2382A
    Manufacturer Bombardier Transportation
    Product Type Digital Control Card (DCC) Module
    Processor 32-bit DSP, 150 MHz clock
    Memory 512 KB Flash, 128 KB SRAM, 2 MB data logging

    Power Supply | 24 V DC nominal (18-36 V range), <15 W consumption Switching Frequency | 2-8 kHz PWM, adaptive Current Sensing | 3-phase Hall-effect, ±1200 A range, 0.5% accuracy Communication Protocols | CANopen, MVB, RS-485, Ethernet/IP Operating Temperature | -40°C to +85°C (extended rail grade) Dimensions | 160 mm × 100 mm × 25 mm (Eurocard 3U) Weight | 0.35 kg Interface Types | 96-pin DIN 41612 connector, fiber-optic gate drivers Environmental Rating | IP54 sealed, EN 50155 vibration/shock compliant Safety Certification | SIL-2 (IEC 61508), fault detection <10 ms

    DCC2382A 3EST125-975 BOMBARDIER DCC2382A 3EST125-975 BOMBARDIER

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