Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Product Family | UNITROL 1000 |
| Product Type | Digital Automatic Voltage Regulator |
| Main Models | UNITROL 1005, UNITROL 1010, UNITROL 1020 |
| Control Application | Synchronous generator and motor excitation |
| Excitation Output Technology | IGBT-based power stage |
| Continuous Excitation Current at 55°C | 1005: 8 A; 1010: 10 A; 1020: 15 A, with up to 20 A under specified conditions |
| 10-Second Overload Current at 55°C | 1005: 16 A; 1010: 25 A; 1020: 38 A |
| Power Electronic Input | Model-dependent AC/DC input; published nominal ranges vary by model |
| Machine Voltage Measurement | Up to 500 V AC, subject to model and installation requirements |
| Digital I/O | 1005: 8 inputs and 4 output-only channels; 1010/1020: 4 inputs, 8 configurable input/output channels, and no additional output-only channels |
| Analog I/O | 1005: 2 inputs; 1010/1020: 3 inputs and 2 outputs |
| Communication Interfaces | Ethernet and USB; CAN support on UNITROL 1010/1020 for communication between compatible UNITROL 1000 devices |
| Commissioning Software | CMT 1000 |
| Optional Functions | Power System Stabilizer (PSS), depending on model and software configuration |
Technical note: These figures summarize published UNITROL 1000 family data; they are not a universal specification for every model. For example, operating the UNITROL 1020 between 15 A and 20 A continuous excitation current requires a three-phase supply and an external 1 mF capacitor. Verify the model-specific manual before applying these ratings.
Product Introduction (Anti-Template)
Operating as the voltage-control component of a synchronous-machine excitation system, the ABB UNITROL 1000 regulates generator or motor voltage as operating conditions change. The series uses digital control technology and an IGBT-based excitation output stage to adjust field excitation in response to measured electrical conditions. It is used in applications such as industrial power generation, marine systems, diesel-electric equipment, and standby power installations.
The family includes UNITROL 1005 for lower-current applications, UNITROL 1010 for mid-range excitation requirements, and UNITROL 1020 for applications requiring higher continuous excitation current and additional functions. Selection depends on the machine’s field requirements, supply arrangement, measurement inputs, and control-system configuration. Honestly, matching the excitation current and supply arrangement is more important than choosing a replacement by series name alone.
UNITROL 1000
UNITROL 1000
UNITROL 1000
UNITROL 1000
UNITROL 1000
QC, Procurement & Logistics SOP
- Inbound Verification
Inspect the ABB nameplate and record the exact model—UNITROL 1005, 1010, or 1020—along with the complete order code and hardware revision. Check terminals, connectors, housing, and visible signs of damage. Do not treat the generic UNITROL 1000 family name as a complete ordering reference. - Live Rig Testing
Where compatible equipment and approved test procedures are available, check power-up behavior, diagnostic indications, measurement inputs, and control-output behavior. Functional testing must use a suitable setup and appropriate excitation-system procedures. A visual inspection alone does not establish operational condition. - QA & Anti-Static Packaging
Handle electronic assemblies using appropriate ESD precautions. Protect terminals, connectors, and the enclosure from electrostatic discharge, moisture, and impact during storage and transportation. - Global Logistics & Export Compliance
Confirm the exact model, destination, shipping method, documentation requirements, and applicable customs classification before dispatch. Use protective packaging suitable for international air or sea freight and provide tracking information after shipment.
Technical Pitfalls & Integration Warnings
1. UNITROL 1005 vs. 1010 vs. 1020
These models share the UNITROL 1000 family name but do not have identical ratings or features. For example, the UNITROL 1005 supports lower excitation current than the UNITROL 1020. Replacing one model with another without checking field-current requirements, I/O, and power supply can prevent correct operation or damage the excitation system.
2. Firmware and Configuration Compatibility
Verify the installed firmware, software configuration, and available functions before replacing an AVR. A different software release or configuration may affect communication, regulation modes, limiters, or optional PSS functions. Do not assume that two units are interchangeable simply because both are labeled UNITROL 1020.
3. Supply, Measurement, and Terminal Wiring
The permissible power-electronic input, auxiliary supply, voltage-measurement arrangement, and excitation output depend on the model and wiring configuration. Before installation, compare the original terminal connections with the applicable ABB wiring diagram. Incorrect voltage sensing or excitation wiring can result in unstable regulation, failed startup, or equipment damage.
4. Configuration Settings and ESD Handling
Do not assume that configuration is controlled by DIP switches or that switch positions can be copied from another unit. Verify the actual hardware design and configuration procedure. During unboxing and installation, use ESD-safe handling and avoid touching exposed electronic contacts.
Frequently Asked Questions (FAQ)
Q1: What is the ABB UNITROL 1000 used for?
UNITROL 1000 is a digital automatic voltage regulator family that controls excitation to regulate the voltage of synchronous generators and motors. The specific functions and ratings depend on the model and software configuration.
Q2: What is the difference between UNITROL 1005, 1010, and 1020?
The UNITROL 1005 is designed for lower excitation-current applications, with a maximum continuous current of up to 5 A under its specified operating conditions. The UNITROL 1010 supports up to 10 A continuous current, while the UNITROL 1020 supports up to 20 A under specified conditions. Their I/O and feature sets also differ.
Q3: Can UNITROL 1000 regulate voltage during sudden load changes?
The series is designed for voltage regulation as machine operating conditions change. ABB’s published technical data lists AVR response times below 20 ms for three-phase measurement and below 50 ms for single-phase measurement. Actual performance depends on the selected model, measurement arrangement, excitation system, and application.
Q4: Can the AVR be replaced while the generator is running?
Do not assume live replacement is permitted. The AVR is part of the generator’s excitation and protection arrangement. Follow the approved maintenance procedure, confirm the machine’s operating state, and determine how removing the controller will affect voltage regulation before proceeding.
Q5: What information is needed to quote the correct UNITROL 1000?
Please provide the complete model number, ABB order code, nameplate photo, required quantity, and destination country. If available, include the generator rating, excitation-current requirement, and existing AVR configuration. These details help distinguish a suitable replacement from a related but incompatible model.
Q6: What is the typical international delivery lead time?
Lead time depends on the exact model, confirmed stock, unit condition, inspection requirements, and destination. Contact us to confirm availability and the estimated dispatch date before placing an order.
Q7: Can you arrange international shipping and export documentation?
Shipping methods and available documentation can be confirmed according to the destination and order requirements. Provide the destination country, required quantity, and preferred shipping method when requesting a quotation.
