UNITROL1010 3BHE035301R0001 UNS 0121 A-Z,V1 excitation control system

ABB UNITROL 1010 (3BHE035301R0001) and UNS 0121 A-Z, V1 Parameters

I. UNITROL 1010 (3BHE035301R0001) Basic Parameters

1. Electrical Characteristics

• Input Power Supply
  • Rated Voltage: 48–250 V AC/DC (wide-range input)
  • Frequency: 45–65 Hz (for AC input)
• Output Capability
  • Excitation Current: Max. 10 A DC (continuous)
  • Excitation Voltage: Max. 250 V DC (dependent on external power supply)
• Control Accuracy
  • Voltage Regulation Accuracy: ±0.5% of rated voltage
  • Frequency Response: < 20 ms (dynamic adjustment)

2. Functional Features

• Control Modes
  • Automatic Voltage Regulation (AVR), Reactive Power Control (VAR/PF), Manual Field Current Control (FCR)
• Protection Functions
  • Over-Excitation Limiting (OEL), Under-Excitation Limiting (UEL), V/Hz Protection, Short-Circuit Protection
• Communication Interfaces
  • Standard: RS485/Modbus RTU
  • Optional: Ethernet, Profibus DP (requires expansion module)

3. Environmental Adaptability

• Operating Temperature: -25°C to +70°C
• Protection Rating: IP20 (for cabinet installation)
• EMC Compliance: Meets IEC 61000-6-2/6-4 standards

II. UNS 0121 A-Z, V1 Additional Notes

• Purpose: Typically serves as a companion module for UNITROL 1010, possibly including:
  • Extended I/O interfaces (analog/digital input/output)
  • Dedicated sensor adaptation circuits (e.g., PT/CT signal conditioning)
  • Redundant control or synchronization components
• Key Parameter Differences (requires model-specific confirmation):
  • Input Signal Range: 0–10 V DC / 4–20 mA
  • Communication Protocols: CANopen, IEC 61850 (optional)

III. Application Scenarios

• Typical Applications:
  • Synchronous generator excitation control (hydro power plants, thermal power plants, distributed energy systems)
  • Voltage/reactive power regulation for industrial generator sets
  • Integration with ABB PGC/PCC control systems