Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB GDB021BE01 HIEE300766R0001 |
| Manufacturer | ABB |
| Product Category | Numerical Protection Relay |
| Series | REG670 Generator Protection |
| Protection Functions | 27/59, 40, 46, 50/51, 64G, 78, 81O/U |
| Input Voltage | 48-250V DC / 100-240V AC |
| Current Inputs | 5A or 1A (configurable) |
| Communication | IEC 61850, Modbus, PROFIBUS |
| Sampling Rate | 64 samples/cycle |
| Operating Temp | -25°C to +55°C |
| Housing | IP40 (front panel IP54) |
| Dimensions | 177 × 190 × 150 mm |
| Weight | 3.5 kg |
ABB GDB021BE01 HIEE300766R0001
Product Introduction
The ABB GDB021BE01 HIEE300766R0001 is a high-performance numerical protection relay from ABB’s REG670 series, specifically engineered for comprehensive generator protection. This advanced device combines multiple protection functions in a single unit, delivering reliable security for generators across various industries and applications.
Designed for critical power generation systems, the GDB021BE01 offers complete protection coverage including differential protection, stator earth fault protection, and loss-of-excitation protection. Its sophisticated algorithms and 64 samples/cycle sampling rate ensure precise fault detection and rapid response times, significantly reducing equipment damage during electrical faults. The ABB GDB021BE01 HIEE300766R0001 features native support for modern IEC 61850 communication protocols, enabling seamless integration into digital substation architectures while maintaining backward compatibility with conventional protection schemes.
Core Advantages and Technical Highlights
Comprehensive protection suite:
The ABB GDB021BE01 provides 27+ protection elements covering all generator fault scenarios. Adaptive protection algorithms automatically adjust settings based on operational conditions, ensuring optimal protection during startup, synchronization, and full-load operation. The integrated thermal overload protection continuously monitors stator and rotor temperatures using advanced thermal models.
Precision measurement:
With ±0.2% voltage and ±0.5% current measurement accuracy, the GDB021BE01 delivers metering-class performance. The device provides comprehensive power quality analysis including harmonic distortion monitoring up to the 25th harmonic and voltage flicker measurement compliant with IEC 61000-4-15.
Advanced communication:
Featuring dual Ethernet ports supporting IEC 61850 Ed.2 with GOOSE messaging, the ABB GDB021BE01 enables fast protection schemes. The relay also supports legacy protocols including Modbus RTU/TCP and PROFIBUS DP, ensuring compatibility with existing automation systems.
User interface:
The large 5.7″ graphical LCD display offers intuitive access to relay information, with dedicated LED indicators for critical alarms. The GDB021BE01 supports remote access via web interface for convenient monitoring and configuration.
Typical Application Scenarios
Utility power generation:
In thermal power plants, the ABB GDB021BE01 protects turbine generators against stator faults, rotor faults, and abnormal operating conditions. The relay’s synchrocheck function ensures safe generator synchronization to the grid.
Industrial cogeneration:
Manufacturing facilities utilize the GDB021BE01 to protect backup generators during grid outages. The relay’s reverse power protection prevents motoring while the voltage-controlled overcurrent function provides reliable short-circuit protection.
Renewable energy:
The ABB GDB021BE01 safeguards synchronous condensers in solar farms, providing voltage regulation and reactive power support. The relay’s underfrequency protection helps maintain grid stability during contingency events.
Marine applications:
On offshore platforms, the GDB021BE01 protects shipboard generators against unbalanced loading and insulation failures, with robust construction for harsh marine environments.
ABB GDB021BE01 HIEE300766R0001
Related Model Recommendations
ABB GDB021BE05: Enhanced version with additional protection functions
ABB REG670: Base generator protection relay
ABB RET670: Transformer protection relay
ABB REF670: Feeder protection relay
ABB REC670: Bay controller
ABB REB670: Busbar protection relay
ABB RES670: Capacitor bank protection
Installation & Commissioning
Installation preparation:
Before installing the ABB GDB021BE01, verify panel dimensions and ensure adequate ventilation. Prepare appropriate CT/PT cables with proper insulation. Confirm the mounting location meets environmental specifications.
Maintenance suggestions:
Conduct annual secondary injection tests to verify protection settings. Monitor self-diagnostics through the HMI or PCM600 software. Check terminal connections and clean ventilation openings regularly. Update firmware during planned outages.
Service & Warranty
ABB provides a 36-month warranty for the GDB021BE01, covering manufacturing defects. Global technical support is available 24/7, with field services and lifecycle management including firmware updates for 10+ years. Spare parts remain available for 15 years post-discontinuation, with certified training programs ensuring proper operation.
Conclusion
The ABB GDB021BE01 HIEE300766R0001 represents cutting-edge generator protection technology, combining advanced algorithms, precise measurements, and robust communication in a single device. Its flexible configuration suits various applications from industrial plants to utility-scale power generation.
