ABB Unitrol UNS 4901 AV1000 Drive Unit
Description
ABB Unitrol UNS 4901 AV1000 Drive Unit is part of ABB’s UNITROL 1000 series, a brushless excitation system designed for voltage regulation and control of synchronous motors and generators. Specific technical details for this exact model are not available, but it shares core design and functional attributes with other UNITROL 1000 series products.
| Specification | Value |
|---|---|
| Nominal Excitation Current (CE) | 20 A |
| Maximum Excitation Current | 38 A |
| Nominal Input Voltage | 250 Vac |
| Control Power AC Input Range | 20 Vac to 250 Vac |
| Control Power DC Input Range | 20 Vdc to 300 Vdc |
| Maximum Application Size | 100 kVA to 80 MVA |
| Operating Temperature | Up to 55 degrees Celsius |
Key Features:
- Brushless excitation system design for reliable operation
- Independent communication and control processors
- Built-in control software functions for flexible operation
- Wide input voltage range for AC and DC power sources
- Compact, rugged mechanical and electrical construction
- High voltage regulation precision
Applications:
- Power plants for diesel, gas, steam, and hydro turbine generators
- Marine electric propulsion and auxiliary power systems
- Diesel electric locomotives
- Port cranes and mining trucks
- Industrial generator sets and renewable energy systems
Related Models:
- UNITROL 1010-0004 BASIC + SYNC 3BHE035301R0004
- UNITROL 1010 3BHE035301R0001 UNS 0121 A-Z,V1
- UNITROL 1020 FULL