Order No.：6RA8091-6DS22-0AA0
Brand：Siemens
Series：SINAMICS DCM
Type：DC Converter, 2‑quadrant operation (motoring & regenerative braking, forward only)
Topology：Fully controlled 3‑phase bridge (B6C)
Status：Active
1. Armature Input Specifications
| Parameter | Value |
|---|---|
| Input type | 3‑phase AC |
| Rated input voltage | 400 V AC, +15% / −20% |
| Permissible input voltage | 320 … 460 V AC |
| Rated input current | 996 A |
| Input frequency | 45 … 65 Hz |
| Control electronics supply | 24 V DC external or optional 380…480 V AC |
| Cooling system | Forced ventilation (AF) |
| Cooling air requirement | Approx. 1000 m³/h |
2. Armature Output Specifications
| Parameter | Value |
|---|---|
| Rated output voltage | 485 V DC |
| Rated output current | 1200 A |
| Rated output power | 582 kW |
| Operation mode | 2‑quadrant (forward motoring & regenerative braking) |
| Dynamic overload | 110% × 60 s; 150% × 5 s |
| Steady‑state overload | 105% continuous (thermal‑limited) |
| Rectifier type | Thyristor‑based, fully controlled |
3. Built-in Field Circuit Specifications
| Parameter | Value |
|---|---|
| Field rectifier model | D485/1200 MRE‑GEEF6S22 |
| Field input supply | Derived from main 3‑phase input |
| Max. field output voltage | Up to 325 V DC |
| Max. field output current | 30 A |
| Field control | Fully controllable, closed‑loop adjustable excitation |
| Function | For separately excited DC motor field winding |
4. Power, Loss & Efficiency
| Parameter | Value |
|---|---|
| Rated output power | 582 kW |
| Typical efficiency at rated load | ≥98.5 % |
| Typical power loss at rated load | ~8.8 kW |
5. Mechanical & Environmental Data
| Parameter | Value |
|---|---|
| Dimensions (W×D×H) | 268 × 435 × 785 mm |
| Net weight | Approx. 77.6 kg |
| Protection class | IP20 |
| Ambient operating temperature | 0 … +40 °C (derate above 40 °C) |
| Storage/transport temperature | −40 … +70 °C |
| Installation altitude | Up to 1000 m above sea level |
| Mounting | Vertical, wall‑mounted |
6. Protection Functions
- Overcurrent, short‑circuit, phase failure protection
- Overvoltage, undervoltage, earth‑fault detection
- Overtemperature (heatsink, electronics, motor)
- Field loss, overspeed, electronic thermal motor protection
- Overload monitoring & fault memory
7. Standards & Certifications
Compliant with EN 50178, EN 60146‑1‑1, EN 61800‑1, EN 61800‑3, EN 61800‑5‑1, IEC 62103; UL / CSA / CE recognized
8. Key Features & Applications
- 2‑quadrant high‑power DC drive with regenerative energy feedback
- Integrated field power unit (no external field controller required)
- 32‑bit microprocessor, high‑precision closed‑loop speed & current control
- Support for encoder/tachometer feedback, high dynamic performance
- Parallel operation capability for higher output currents
- Suitable for heavy‑duty industrial applications: rolling mills, wire drawing, extruders, kneaders, presses, cranes, mine hoists, test stands, large conveyors, cableways, shears, and high‑power DC motor drive systems
