Description
The ABB UNITROL 1000 series controller (part number 3BHE014557R0104) is an advanced microprocessor-based Automatic Voltage Regulator (AVR) designed for synchronous generators and motors. This hardware revision provides precise excitation control, system stabilization, and comprehensive monitoring for small-to-medium power generation applications.
Technical Specifications
| Parameter | Value |
| Manufacturer | ABB |
| Product Family | UNITROL 1000 (UNITROL 1005 / 1010 / 1020 platform variants) |
| Catalog / Part Number | 3BHE014557R0104 |
| Device Type | Automatic Voltage Regulator / Excitation Controller |
| Control Modes | AVR, Var control, Power Factor (PF) control, Field Current control |
| Processor Architecture | 32-bit microprocessor core |
| Communication Interfaces | USB (front), RS-485, Ethernet (depending on installed option boards) |
| Auxiliary Supply Voltage | 18 to 36 V DC or wide-range AC/DC input (verify with OEM datasheet) |
| Operating Temperature | -20 to +65°C |
| Enclosure Protection | IP20 |
| Compliance Standards | CE, cULus, IEC 60034-1, IEEE 421.5 (verify with OEM datasheet) |
Supply & Commercial Terms
- Condition: New Surplus / Factory Sealed (verify specific inventory batch upon inquiry)
- Availability: Stock dependent; typical dispatch within 1 to 2 weeks for non-stocked variations.
- Warranty: 12-month standard replacement warranty from date of delivery.
- Pricing Note: Listed price is indicative and subject to market conditions; contact us for a firm quote.
Field Deployment & Integration Context
When commissioning the UNITROL 1000 system in generator excitation panels, ensure that terminal wiring for the voltage sensing inputs (up to 690 V AC nominal) and power stage connections adheres strictly to local electrical safety standards and separation guidelines.
Parameter configuration and tuning are performed using ABB’s CMT (Control Builder / UNITROL 1000 Commissioning Tool) software via the front-panel USB connection. During initial setup, verify generator parameters—such as rated stator voltage, current, excitation limits, and PSS (Power System Stabilizer) configurations if applicable—to prevent over-excitation or instability during grid synchronization. For redundant or high-reliability applications, verify that backup power supply paths and field flashing circuits are correctly terminated before initial excitation run-up.
Frequently Asked Questions
What specific UNITROL 1000 model variant does part number 3BHE014557R0104 apply to?
This catalog string corresponds to hardware and firmware allocations within the UNITROL 1000 controller lineup (typically associated with UNITROL 1010 or 1020 assemblies, verify exact module revision via the physical product label).
Is specialized software required for configuration?
Yes. Initial setup, tuning of PID regulators, and firmware updates require ABB’s dedicated UNITROL 1000 software tool suite connected through the front USB service port.
Can this regulator operate in parallel generator setups?
Yes, the UNITROL 1000 platform supports reactive power droop compensation and circulating reactive current compensation for parallel-running generators.
