Core Electrical & Power Parameters
| Parameter | Value | Description |
|---|---|---|
| Input Voltage | 3‑phase AC 400V (380–480V range) | Nominal supply for power section |
| Input Current | 995A (3‑phase, at rated load) | Max AC input current at full load |
| Armature Output Current (Continuous) | 1200A (Load Class I) | Rated continuous current; 1800A for 60s (50% overload, 300s cycle) |
| Armature Output Current (US Rating) | 850A | Derated current for specific grid conditions |
| Armature Output Voltage | 485V DC (max 500V DC) | Rated DC voltage for motor armature |
| Power Rating | ~582kW (1200A × 485V DC) | Nominal power at rated current/voltage |
| Field Output Current | 30A (continuous) | Controllable field rectifier output |
| Field Output Voltage | 325V DC (max) | Max voltage for field winding |
| Circuit Topology | B6C (single‑quadrant) | Unidirectional power flow; no regeneration |
| Frequency | 50/60Hz | Compatible with standard grids |
| Control Supply | 230V AC (±15%), 50/60Hz | Auxiliary power for logic & control |
| Control Power Consumption | ~350VA | Typical for microprocessor & I/O circuits |
Overload & Protection Parameters
| Parameter | Value | Notes |
|---|---|---|
| Overload Current (Load Class I) | 1800A for 60s (300s cycle) | 50% overload capacity |
| I²t Protection | Yes | Prevents thyristor degradation via cyclic calculation |
| Protections | Overcurrent, overvoltage, undervoltage, overtemp, field loss, short‑circuit, reverse polarity | Comprehensive fault monitoring |
Z‑Option Details (G54+K01+K11)
| Option | Function | Key Specifications |
|---|---|---|
| G54 | Line reactor | 3‑phase, 400V, 995A, reduces harmonics & improves input power factor |
| K01 | I/O expansion | Adds 4 digital inputs (24V DC, opto‑isolated)+2 digital outputs (relay, 250V AC/30V DC, 5A) |
| K11 | Encoder interface | Supports incremental encoder (TTL/HTL, up to 1MHz) for precise speed feedback |
Control & Interface Features
| Feature | Details | |
|---|---|---|
| Regulation | 32‑bit microprocessor for current, speed loops; auto‑tuning (P/I parameters) | |
| I/O (Base + K01) | 12 digital inputs, 6 digital outputs, 2 analog inputs (±10V, 12‑bit), 2 analog outputs (±10V, 12‑bit) | |
| Communication | USS protocol (standard); optional PROFIBUS DP via other Z‑options | |
| Field Rectifier | D485/1200 | Controllable field rectifier for 30A/325V DC field supply |
| Cooling | Forced air with temperature monitoring; fan failure detection |
Physical & Environmental
| Parameter | Value | Notes |
|---|---|---|
| Dimensions (W×H×D) | 36cm × 78cm × 41cm | Floor‑mount form factor |
| Weight | 80kg (shipping ~90kg) | Includes power, control, and Z‑option components |
| Operating Temp | 0–40°C | Derate 2.5% per °C above 40°C |
| Storage Temp | -25–70°C | No condensation |
| Humidity | 5–95% RH (non‑condensing) | IP20 protection class |
| Certifications | CE, UL, cUL | Compliant with global safety standards |
Ordering & Compatibility
| Item | Details | |
|---|---|---|
| Full Part Number | 6RA7091-6DS22-0-Z G54+K01+K11 | Base unit with Z‑options |
| Replacement | 6RA8091-6DS22-0AA0 | SINAMICS DCM equivalent |
| Mounting | Floor‑mount only | Heavy‑duty construction for industrial environments |
| Discontinuation | 19.11.2020 | Use 6RA8000 series for new projects |
