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6RA7091-6DS22
The Siemens 6RA7091-6DS22 is a specialized single-quadrant DC converter system within the SIMOREG series. Capable of handling specific voltage and current ranges, this device is designed for efficient power management in various applications.
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Technical specifications for 6RA7091-6DS22
| Manufacturer | Siemens |
|---|---|
| Product Type | Single-quadrant DC converter |
| Product Line | SIMOREG |
| Part Number | 6RA7091-6DS22 |
| Input Voltage | 3-phase AC ~400 V |
| Maximum AC Input Current | ~995 A |
| Rectifier Type | B6C field rectifier |
| Field Rectifier Model | D485/1200 series |
| Nominal DC Voltage | ~485 V DC |
| Maximum DC Current | ~1200 A |
| Rated DC Current (US) | ~850 A at 485 V |
| Field Input Voltage | 400 V AC |
| Field Output Voltage | ~325 V DC |
| Field Output Current | ~30 A |
| Drive Capability | Forward torque only |
| Altitude Limit | Derate above 4000 m |
The 6RA7091-6DS22 from Siemens is a single-quadrant DC converter targeted for applications needing effective power conversion. This compact system operates on a 3-phase AC input, typically around 400 volts. It can accommodate an input current that reaches nearly 995 amps. The design employs a B6C field rectifier, specifically paired with the D485/1200 series for efficient rectification functionalities.
The nominal output from this converter achieves around 485 volts DC, making it an integral part of various industrial systems. It handles a maximum direct current of roughly 1200 amps, while the rated direct current maintains approximately 850 amps at the nominal output voltage. In terms of field capabilities, the input voltage for the field typically registers at 400 V AC, generating an output voltage of about 325 V DC. The field output is rated for currents up to 30 amps, suitable for typical drives requiring forward torque only.
Notably, this model is designed with altitude operation limits in mind; it necessitates a derating above 4000 meters to maintain reliable performance.
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