ABB UNITROL6080 3ADT218437R0001 Digital Static Excitation System



  • Product Code: UNITROL6080 3ADT218437R0001
  • Availability: In Stock


ABB UNITROL6080 3ADT218437R0001 - Intermediate Document

ABB UNITROL6080 3ADT218437R0001

Digital Static Excitation System

Product Overview

The ABB UNITROL6080 3ADT218437R0001 is an advanced digital static excitation system designed for synchronous generators in power generation applications. This state-of-the-art excitation system provides precise control of generator voltage and reactive power, ensuring optimal performance, stability, and reliability of power generation units.

Key Features

  • Advanced digital control technology
  • High reliability and availability
  • Flexible configuration options
  • Comprehensive protection functions
  • Integrated monitoring and diagnostics

Applications

  • Thermal power plants
  • Hydroelectric power stations
  • Combined cycle power plants
  • Nuclear power generation
  • Industrial power generation

Technical Specifications

Power Supply

Control Power: 110-240 V AC/DC
Frequency: 50/60 Hz (AC)
Power Consumption: < 50 W (control circuit)
Redundancy: Dual redundant power supply

Excitation System

Output Voltage: Up to 1200 V DC
Output Current: Up to 4000 A DC
Regulation Accuracy: ±0.25% (steady state)
Response Time: < 100 ms (field forcing)

Generator Interface

Voltage Input: 100-690 V AC (phase-phase)
Current Input: 0-5 A AC (CT secondary)
Frequency Range: 50/60 Hz ± 5%
Field Voltage: Up to 1200 V DC

Communication

Ethernet: IEEE 802.3, 10/100 Mbps
Protocols: Modbus TCP, IEC 61850, DNP3
Serial: RS-485 (Modbus RTU)
Ports: 2 Ethernet, 2 Serial

Environmental

Operating Temp: -25°C to +70°C
Storage Temp: -40°C to +85°C
Humidity: 5% to 95% (non-condensing)
IP Rating: IP54 (control cubicle)

Physical

Dimensions: 800 x 600 x 2200 mm (typical cubicle)
Weight: 300-500 kg (depending on configuration)
Mounting: Floor standing cubicle
Enclosure: Steel, IP54

Product Features

Advanced Control Algorithms

Utilizes state-of-the-art digital signal processing and control algorithms for precise voltage regulation, reactive power control, and stability enhancement. Adaptive control features optimize performance under varying operating conditions.

High Reliability Design

Redundant architecture with N+1 redundancy for critical components. Hot-swappable modules minimize downtime during maintenance. Extensive self-diagnostic capabilities for early fault detection.

Comprehensive Protection

Integrated protection functions including field overvoltage, field overcurrent, loss of excitation, stator overcurrent, and under/overfrequency protection. Configurable protection settings to meet specific application requirements.

Flexible Configuration

Modular design allows customization for various generator sizes and types. Software-configurable parameters for voltage regulation, power system stabilizer settings, and protection functions.

Integrated Monitoring

Real-time monitoring of all system parameters including generator voltage, current, power factor, field voltage, and field current. Comprehensive event logging and data recording for performance analysis and troubleshooting.

Advanced Communication

Multiple communication interfaces support integration with plant control systems. IEC 61850 compliance for substation automation. Web-based HMI for remote monitoring and control.

Applications

Thermal Power Plants

Optimized for coal, gas, and oil-fired power plants. Provides reliable excitation for steam turbine generators with rapid response to load changes and grid disturbances.

Hydroelectric Power

Ideal for hydroelectric generators including Francis, Kaplan, and Pelton turbines. Special control modes for water turbine applications with load rejection protection.

Combined Cycle Plants

Well-suited for gas turbine and combined cycle applications. Fast response characteristics support the dynamic operation required in these plants.

Nuclear Power

Meets the stringent reliability and safety requirements of nuclear power generation. Redundant design ensures continuous operation even in fault conditions.

Industrial Generation

Suitable for industrial power generation applications including captive power plants, cogeneration, and distributed generation. Enhances power quality and reliability for industrial processes.

Renewable Integration

Supports grid stability in systems with high renewable penetration. Advanced grid support functions including reactive power control and frequency response.

Technical Details

Control Functions

Voltage Regulation: PID control with adaptive gain
Reactive Power Control: Manual and automatic modes
Power Factor Control: Fixed or variable setpoint
PSS Functions: Power System Stabilizer
Limiter Functions: V/Hz, Under/Overexcitation

Power Electronics

Converter Type: Thyristor bridge (6-pulse or 12-pulse)
Cooling: Forced air or water cooling
Harmonic Filtering: Input and output filters
Firing Circuit: Digital firing control

Measurement & Monitoring

Voltage Measurement: Precision voltage transformers
Current Measurement: Hall effect sensors
Data Logging: 10,000 events with timestamps
Trending: Configurable parameter trending

Redundancy & Reliability

Control Redundancy: 1+1 or 2+1 redundant controllers
Power Supply: N+1 redundant power supplies
MTBF: > 100,000 hours
Availability: > 99.99%

Communication Protocols

IEC 61850

  • Edition 2.1 compliant
  • GOOSE messaging for fast control
  • MMS for monitoring and control
  • Sampled Values option

Modbus TCP/RTU

  • Standard Modbus registers
  • Read/write access to parameters
  • Real-time measurements
  • Event notification

DNP3

  • DNP3.0 Level 2 certified
  • Outstation functionality
  • Time synchronization
  • Event reporting

Installation & Maintenance

Installation Requirements

  • Floor Loading: Minimum 600 kg/m²
  • Space Requirements: Allow minimum 1m clearance around cubicle
  • Ventilation: Adequate cooling for power electronics
  • Power Connections: Properly sized cables and circuit breakers
  • Grounding: Separate control and power grounding

Maintenance Guidelines

  • Routine Inspection: Monthly visual inspection
  • Filter Cleaning: Quarterly for air-cooled systems
  • Function Testing: Semi-annual comprehensive testing
  • Calibration: Annual calibration of measuring devices
  • Firmware Updates: As recommended by ABB

Commissioning Steps

  1. Verify mechanical and electrical installation
  2. Perform insulation resistance tests
  3. Power up control circuits and verify functionality
  4. Configure system parameters via HMI or PC tool
  5. Perform no-load tests and adjustments
  6. Conduct load tests and performance verification
  7. Test protection functions and limits
  8. Document as-built configuration and test results

Troubleshooting

  • Alarm Analysis: Check HMI for detailed alarm information
  • Event Log: Review event history for fault sequence
  • Parameter Checking: Verify all settings are correct
  • Hardware Testing: Use built-in diagnostics for component testing
  • Service Support: Contact ABB service for technical assistance

Ordering Information

Product Code

3ADT218437R0001

Standard Delivery

  • Control cubicle with main controller
  • Power converter module
  • Measuring and protection devices
  • HMI with touch screen
  • Documentation and software package

Optional Accessories

Accessory Part Number
Redundant controller 3ADT218438R0001
Remote HMI 3ADT218439R0001
Programming cable 3ADT218440R0001
Extended terminal kit 3ADT218441R0001
Training simulator 3ADT218442R0001

Technical Support

  • Phone: +1-800-ABB-HELP
  • Email: support@abb.com
  • Website: www.abb.com/powergeneration
  • Service: 24/7 technical support available

Warranty

24 months from date of commissioning or 30 months from date of shipment, whichever comes first.

Extended warranty options available up to 5 years.

Certifications

  • IEC 61000 (EMC)
  • IEC 60950 (Safety)
  • CE marked
  • UL listed

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UNITROL6080 3ADT218437R0001 - Intermediate Technical Document

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