Core Electrical Specifications
| Parameter | Value |
|---|---|
| Model | 6RA7078-6FV62-0-Z X01 |
| Product Type | SIMOREG DC Master microprocessor – controlled four – quadrant chassis converter ((B6)A(B6)C circuit, regenerative operation), controllable field rectifier D480/280 MREQ – GEGF 6V62 |
| Input Voltage | 3 – phase AC 460 V (50/60 Hz) |
| Input Current | 233 A (3 – phase AC, at rated load) |
| Output Voltage (Armature) | 480 V DC (continuous) |
| Output Current (Armature) | 280 A DC (continuous) |
| US – Rating Output (Armature) | 500 V DC, 210 A DC |
| Field Input Voltage | 2 – phase AC 460 V |
| Field Output Voltage | 375 V DC (max.) |
| Field Output Current | 15 A DC (continuous) |
| Power Rating (Approx.) | 134.4 kW (480 V × 280 A, armature continuous) |
| Control Type | Microprocessor – based SCR (thyristor) rectifier control |
| Cooling Method | Forced air cooling (integrated fan) |
| Power Loss | 3500 W (at rated DC current) |
| Protection Features | Overcurrent, overvoltage, undervoltage, overheating, field loss, short – circuit, reverse polarity protection; IEC/EN safety compliant |
| Communication Interfaces | PROFIBUS DP (built – in); optional RS485, Interbus – S |
| Control Unit | Standard CUD1/CUD2 control unit, supporting closed – loop speed, current, and field control |
Performance Specifications
| Parameter | Value |
|---|---|
| Operation Mode | Four – quadrant (regenerative, energy feedback to grid) |
| Control Modes | Armature voltage control, field current control, speed control (sensorless or with encoder/tachogenerator feedback) |
| Regulation Accuracy | Speed control ±0.01% of rated speed (with encoder feedback) |
| Dynamic Response | Current control loop: < 10 ms; speed control loop: < 100 ms |
| Overload Capacity | 150% of rated armature current for 60 s; 200% of rated armature current for 2 s |
| Power Factor | 0.92 (typical, at rated load) |
| Output Voltage Ripple | Low ripple via microprocessor – controlled SCR firing |
| Duty Cycle | Continuous (DC1 duty class) |
Mechanical & Environmental Specifications
| Parameter | Value |
|---|---|
| Mounting Type | Chassis – mounted (panel/rack installation) |
| Dimensions (H×W×D) | 800 mm × 450 mm × 350 mm (31.5 in × 17.7 in × 13.8 in) |
| Net Weight | 23.3 kg (51.4 lbs) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) (derate 2.5% per 1°C above 40°C) |
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Relative Humidity | 5% to 95% (non – condensing) |
| Altitude | Up to 1000 m (3280 ft) (derate 1% per 100 m above 1000 m) |
| IP Rating | IP00 (open frame), IP20 (chassis with protective cover) |
Key Features
- Four – Quadrant Regenerative Operation: Delivers 280 A continuous armature current with energy feedback to the grid, suitable for industrial applications like mixers, small cranes, and test stands.
- Independent Field Control: 375 V DC / 15 A field output optimizes motor field performance for improved efficiency and control precision.
- Microprocessor – Based Control: Enables accurate speed and current regulation for high – precision industrial processes.
- Robust Protection: Comprehensive protection mechanisms ensure reliable operation in harsh industrial environments.
- Flexible Communication: Built – in PROFIBUS DP and optional industrial communication interfaces allow seamless integration into automation systems.
