Products Description
ABB RET670 1MRK002816-AB Protection Control IED in stock
ABB RET670 1MRK002816-AB is a multifunctional numerical intelligent electronic device in ABB Relion 670 series. It is designed for comprehensive protection, measurement, monitoring and bay control of two-winding and three-winding power transformers in power plants and high/medium voltage substations.

This IED integrates transformer differential protection, restricted earth fault protection and overexcitation protection. It fully complies with IEC 61850 digital substation standard, adopts standard panel mounting design, widely used for transformer protection cabinet maintenance, spare parts replacement and substation automation upgrade projects.


Data Parameters
1. Brand: ABB.
2. Model: RET670, Part No:1MRK002816-AB.
3. Product Type: Power Transformer Protection and Control IED.
4. Product Series: Relion 670 series numerical protection relay.
5. Applicable Object: Two-winding and three-winding power transformers.
6. Main Protection: Transformer differential, restricted earth fault, overexcitation and backup overcurrent protection.
7. Communication Protocol: IEC 61850, GOOSE, MMS and SNTP time synchronization.
8. Power Supply: 90~250 VDC auxiliary power supply.
9. Operating Temperature: -20℃ ~ +70℃.
10. Installation: Panel mounting inside transformer protection cabinet.
Core Functions
1. Provide high-speed transformer differential protection to detect internal winding short-circuit and turn-to-turn faults of power transformers.
2. Implement restricted earth fault protection and overexcitation protection to avoid transformer insulation damage and overload failure.
3. Complete bay control, circuit breaker local/remote operation and tap changer control for power transformers.
4. Record fault disturbance waveforms, event sequence logs and alarm information for post-fault analysis and troubleshooting.
5. Upload real-time measurement and status data to SCADA system through IEC 61850 communication interface.
Application Scenarios
1. Power substation RET670 transformer protection IED replacement and maintenance.
2. Thermal power plant and hydropower station main power transformer protection cabinet hardware retrofit project.
3. Petrochemical, mining and metallurgy self-owned power station transformer protection spare parts renewal.
4. Large renewable energy power plant step-up transformer protection automation spare parts inventory backup.
5. Legacy ABB Relion series protection system overhaul and aging transformer protection IED replacement project.
FAQ
1. Q: What is ABB RET670 1MRK002816-AB?
A: It is Relion 670 series IED, specially used for protection, monitoring and bay control of power transformers.2. Q: What protection functions does RET670 provide?
A: It includes transformer differential protection, restricted earth fault protection, overexcitation protection and multi-set backup protection.3. Q: What communication standard does RET670 support?
A: It fully supports IEC 61850 standard including GOOSE, MMS and SNTP time synchronization for digital substation.