Description
The ABB UNITROL 1010 3BHE035301R1002 (UNS0121A-Z,V1) is a high-performance Automatic Voltage Regulator (AVR) designed for small to medium-sized synchronous generators and industrial motors. As part of the UNITROL 1000 series, this “Compact” version integrates advanced microprocessor technology to provide precise excitation control. It is specifically engineered to handle demanding grid requirements and features robust built-in protection functions, making it a staple for ensuring power stability in both standby and continuous duty applications.
Explore the latest excitation solutions at our ABB UNITROL 1010 Product Page.
Product Datasheet
Basic Specifications
- Brand: ABB
- Model Number: UNITROL 1010
- Global ID: 3BHE035301R1002
- Type Designation: UNS0121A-Z,V1
- Excitation Current: Up to 10 A continuous (20 A peak for 10s)
- Excitation Voltage: Up to 250 V DC
Physical Characteristics
- Dimensions: 180mm x 155mm x 75mm
- Weight: 1.35 kg
- Mounting: DIN Rail or Direct Backplane Mounting
- Connection Type: Spring-loaded or Screw terminals for vibration resistance
Manufacturing & Logistics
- Country of Origin: Switzerland
- Safety Standards: CE, UL 508, CSA, and DNV (Marine) certified
- Degree of Protection: IP20
- Operating Temperature: -25°C to +70°C
ABB UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1
ABB UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1
ABB UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1
ABB UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1
Application Fields
The UNITROL 1010 is exceptionally versatile, frequently deployed in Emergency Power Systems for hospitals and data centers to ensure rapid voltage buildup. It is also a key component in Marine and Offshore applications for shipboard power management, Small Hydroelectric Plants, and Combined Heat and Power (CHP) units. Its ability to manage reactive power makes it ideal for Renewable Energy integration where grid code compliance is mandatory.
Product Instructions
To install the UNITROL 1010, mount the unit vertically within a control cabinet to allow for proper heat dissipation. Ensure that the supply voltage matches the configuration (it can be powered via an Auxiliary Winding or a PMG). Wiring must follow the UNS0121A-Z schematic to ensure correct feedback from the PT (Potential Transformer) and CT (Current Transformer). Initial setup and commissioning should be performed using the UNITROL 1000 CMT software via the USB or RS485 port. Always ensure the “Field Flashing” parameters are correctly set if the generator lacks sufficient residual magnetism for startup.
Comparison of Similar Models
The UNITROL 1010 is the mid-range choice, providing up to 10A of excitation current. In contrast, the UNITROL 1005 is a more compact version limited to 5A, suitable for very small gen-sets. The UNITROL 1020 is the flagship of the series, offering up to 20A continuous current and advanced dual-channel redundancy capabilities. While the UNS0121A-Z,V1 is the standard hardware version, specific variants ending in “V2” or “V3” may include specialized firmware for marine propulsion or grid-tie synchronization.
Frequently Asked Questions (Q&A)
Q: Can the UNITROL 1010 operate in parallel with other generators? A: Yes, it includes built-in reactive power sharing (droop) logic and cross-current compensation specifically for parallel operation with other units or the utility grid.
Q: Does this module require an external power supply for the logic? A: The UNITROL 1010 can be self-powered from the generator’s output or an auxiliary winding, though it also supports an external 24V DC input for the control electronics to keep the CPU active while the generator is stationary.
Q: What is the purpose of the “V1” designation? A: The “V1” usually refers to the hardware and software versioning. Version 1 provides the core set of AVR, FCR (Field Current Regulator), and Power Factor (PF) control modes essential for standard industrial applications.
