Technical Parameters Basic Information Brand: ALSTOM / Converteam Part Number: MVTU11K1CD0751G Form Factor: Standard 3U slide-in rack pluggable master control module Matching peripheral boards: MVAX series high voltage auxiliary power supply, MCGG/M5A/M57 analog sampling & safety interlock boards, KCEG/KVFG IGBT gate drive monitoring PCBs, MCAA/TRVC/P127 TCMS communication gateway boards, MMLB01/MMLG01 digital I/O expansion boards Application: European urban metro & light rail traction converter core master control unit, full-cycle regulation of vehicle traction and regenerative electric braking Control Power Supply Rated operating voltage: DC 24V vehicle control power Operating voltage range: 18 VDC ~ 30 VDC Max power consumption: 10.5 W Protection circuit: Reverse polarity blocking diode, TVS surge absorption filter, input overcurrent fuse, undervoltage lockout protection Core Control Hardware & Algorithm Main computing chip: Specialized industrial high-speed DSP for railway traction control Control algorithm: Full field-oriented triple closed-loop vector control (Torque / Speed / Rotor Position) Compatible motor position feedback: Resolver, incremental encoder, multi-turn absolute encoder Real-time control cycle: Microsecond-level current loop response, seamless switching between traction and braking torque Fault storage unit: Onboard high-capacity non-volatile memory, stores timestamped fault codes, operation waveform snapshots and long-term historical running logs Multi-Channel Independent Communication Interfaces Internal rack high-speed proprietary backplane bus Bidirectional real-time data interaction with all rack plug-in boards: Receives calibrated voltage/current/temperature sampling values and safety interlock fault signals; outputs synchronous PWM drive commands to each IGBT gate drive board Galvanically isolated external TCMS vehicle train communication bus Uploads real-time traction operating status, power module temperature, complete fault records to vehicle central diagnostic unit; receives whole-vehicle traction/brake torque commands, speed limit instructions, fault reset signals and system mode switching orders from TCMS master controller Local maintenance debug port: Used for control program downloading, parameter calibration, real-time data monitoring and on-site fault diagnosis System Safety & Logic Functions Centralized processing of all high-voltage safety chain signals, dual-layer safety protection architecture: hardware fast pulse blocking + software over-limit fault judgment Real-time dynamic calculation of motor torque, DC-link bus voltage, power device temperature, executing comprehensive protection logic including overcurrent, overload, overheat, overspeed, overvoltage and undervoltage Generates high-precision synchronous PWM pulse signals, distributed to all IGBT gate drive boards via internal rack bus Mechanical Specifications Overall dimension: H130 mm × W98 mm × D220 mm PCB protection: Full acrylic conformal coating, anti-moisture, anti-corrosion, anti-dust, anti-mold Front panel LED status indicators: Power OK, System Run, Rack Bus Link Normal, TCMS Bus Active, General System Fault Alarm, Maintenance Port Communication Indicator Fastening structure: Anti-looseness lock buckle, maintains stable electrical contact under long-term vehicle running vibration and shock Railway Environmental & EU EN Compliance Operating ambient temperature: -25 ℃ ~ +70 ℃ Storage & transport temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing Vibration test standard: IEC 61373 railway rolling stock Shock resistance: 12g half-sine wave impact test EMC standard: EN 50121-3-2 railway vehicle electromagnetic compatibility Fire safety grade: EN 45545-2 HL2 low smoke, low toxicity flame retardant material