Product Description

The ABB UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1 is a compact high-performance automatic voltage regulator dedicated for small and medium synchronous generators. Adopting advanced 32-bit RISC microprocessor and IGBT power device technology, it precisely controls generator excitation current and terminal voltage, stabilizing power output and improving grid adaptability for genset and power generation systems.

Featuring modular integrated structure and full digital control logic, this controller supports multiple regulation modes and comprehensive grid protection functions. It delivers fast dynamic response, high control precision and strong anti-interference capability. Compliant with international industrial safety standards, it adapts to harsh power plant environments and ensures long-term stable, unattended operation of generator excitation systems.

Main Specifications

1. Full Model: UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1; Product Type: Digital generator excitation controller AVR
2. Applicable Equipment: Small and medium synchronous generators, diesel gensets and hydroelectric generating units
3. Core Function: Generator voltage regulation, excitation current control, grid synchronization and operational protection
4. Processing Core: 32-bit high-speed RISC processor for low-delay dynamic adjustment and precise algorithm operation
5. Power Device: High-efficiency IGBT power unit supporting stable 10ADC continuous excitation current output
6. Control Mode: Supports automatic voltage regulation, reactive power regulation and power factor control modes
7. Dynamic Performance: Ultra-fast response speed to suppress voltage fluctuation during load switching
8. Protection Logic: Equipped with overexcitation, underexcitation and overvoltage multi-protection functions
9. Certification Standard: Compliant with DNV, UL and global power industry safety certification standards
10. Environmental Adaptability: Industrial wide temperature design, anti-vibration and electromagnetic interference resistance

Core Functions

1. Acts as the core digital excitation control unit for medium and small synchronous generator sets.
2. Precisely adjusts generator excitation current to stabilize terminal voltage within rated range.
3. Realizes automatic reactive power and power factor regulation to optimize grid power quality.
4. Supports safe grid synchronization and parallel operation for generator grid-connection scenarios.
5. Quickly responds to load changes to eliminate voltage surge and ｄｒｏｐ fluctuations.
6. Integrates multiple safety protection mechanisms to prevent generator excitation system faults.
7. Stores operating data and fault records for equipment maintenance and operational analysis.
8. Supports local parameter configuration and remote system debugging via dedicated communication ports.
9. Adopts high-efficiency power conversion structure to reduce energy consumption and heat generation.
10. Guarantees safe, stable and high-efficiency long-cycle operation of power generation equipment.

Application Scenarios

1. Industrial factory self-provided diesel generator set excitation control systems
2. Small and medium hydropower station generator voltage regulation and control platforms
3. Cogeneration unit power generation system stable operation control scenarios
4. Remote area independent power supply generator excitation regulation projects
5. New energy distributed power station generator grid-connection control systems
6. Marine and mobile generator set anti-interference excitation control scenarios
7. Power plant old excitation system upgrading and replacement transformation projects
8. Industrial continuous production backup power generation stable control platforms
9. Power quality improvement and generator operational optimization projects
10. Medium and small power generation equipment intelligent monitoring and control systems