ABB REG670 Relion 670 Series Generator Protection IED in stock

ABB REG670 is a high-performance generator protection intelligent electronic device belonging to ABB Relion 670 series. It integrates comprehensive protection, measurement, control and fault recording functions, specially designed for generators and step-up transformers in various power plants.

This IED supports IEC 61850 digital substation standard and multiple communication protocols. It has built-in LCD display and operation keypad, supports conventional CT/VT and process bus sampling value access. Widely used for power plant protection cabinet transformation and spare parts backup.

Data Parameters

• 1. Brand: ABB.

• 2. Model: REG670.

• 3. Product Type: Generator Protection and Control IED.

• 4. Series: Relion 670 protection and control series.

• 5. Core Protection: Generator differential protection, 100% stator earth fault, rotor earth fault protection.

• 6. Auxiliary Protection: Loss of excitation, out-of-step, overexcitation, thermal overload and breaker failure protection.

• 7. Communication Standard: IEC 61850, GOOSE, MMS, IEC61850-9-2LE process bus.

• 8. Human Interface: Integrated LCD screen and physical operation buttons.

• 9. Operating Temperature: -25℃ ~ +55℃.

• 10. Installation: Standard 19-inch rack mounting for power plant protection cabinet.

Core Functions

• 1. Provide main and backup protection for turbo generators, hydro generators and pumped storage generator units.

• 2. Realize high-sensitivity 100% stator earth fault protection and sensitive rotor earth fault protection based on injection principle.

• 3. Complete electrical measurement, power quality monitoring, event logging and disturbance waveform recording functions.

• 4. Support GOOSE interlock and trip signal transmission for digital substation automation system.

• 5. Compatible with traditional CT/VT and merging unit process bus signal access for flexible system renovation.

Application Scenarios

• 1. Thermal power plant and combined cycle power plant generator protection cabinet installation and spare parts replacement.

• 2. Hydropower station and pumped storage power station generator protection and control system retrofit project.

• 3. Large petrochemical and mining self-generation power plant generator set protection renovation.

• 4. Digital substation construction for generator outgoing protection and transformer integrated protection.

• 5. Legacy power plant protection relay overhaul and aging generator protection IED renewal project.

FAQ

• 1. Q: What is ABB REG670?
      A: It is Relion 670 series generator protection IED, used for comprehensive protection, monitoring and control of power plant generator units and booster transformers.

• 2. Q: What special earth fault protection does REG670 have?
      A: It adopts injection principle to realize 100% stator earth fault protection and sensitive rotor earth fault protection for generators.

• 3. Q: Does REG670 support digital substation process bus?
      A: Yes, it supports IEC61850-9-2LE process bus sampled value, and can work with merging units in digital substations.