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MVAJ051RA0801B

The Alstom MVAJ051RA0801B is a high-efficiency IGBT-based traction inverter designed for modern electric and hybrid rail vehicles. This compact yet powerful unit delivers precise motor control and energy regeneration, meeting the most demanding performance requirements for metro, light rail, and mainline applications.

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Key Features
1. Superior Power Conversion

3.3kV/1.8kA IGBT power modules

98.6% peak conversion efficiency

Adaptive space vector modulation

Full regenerative braking capability (up to 100% energy recovery)

2. Railway-Specific Engineering

Full EN 50155 compliance

-40°C to +85°C operating range

EN 61373 vibration category 1 certified

IP66 protection (dust-tight and water resistant)

3. Intelligent Operation Features

Real-time junction temperature monitoring

Predictive maintenance algorithms

Dual-channel CAN FD communication (5Mbps)

Integrated self-diagnostics with event logging

4. Maintenance-Optimized Design

Front-access service panels

Modular power stacks with quick-disconnect

Hot-swappable control units

QR-coded components for full traceability

Technical Specifications
Parameter Specification
DC Input Voltage 750V/1500V configurable
AC Output Power 800kW continuous (1.2MW peak)
Switching Frequency 250Hz-2.5kHz (adaptive)
Cooling System Liquid cooling with smart thermal management
Dimensions 550×350×220mm
Weight 45kg
MTBF >550,000 hours