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- ABB
- REG670
- Generator Protection Relay
- Sweden
- 220 × 160 × 100 mm
- 2.5kg
- 1MRK002826-AA
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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ABB REG670 1MRK002826-AA — Detailed Product Overview
1. Product Introduction
The ABB REG670 (1MRK002826-AA) is a high-performance numerical protection and control relay designed for generator protection and monitoring in medium and high-voltage power systems. It belongs to the well-known 670 series, which is widely used in substations and power plants.
This device integrates protection, control, measurement, and supervision functions into a single intelligent electronic device (IED), enabling reliable and efficient operation of rotating electrical machines such as generators and motors.
It supports modern digital substation standards and is suitable for complex automation systems, making it a core component in modern power infrastructure.
2. Key Technical Parameters
| Parameter | Specification |
|---|---|
| Product Model | REG670 1MRK002826-AA |
| Product Type | Generator Protection Relay (IED) |
| Series | 670 Series |
| Rated Voltage | Up to 765 kV |
| Rated Current | Up to 5000 A |
| Auxiliary Power Supply | 24–250 V DC / 48–240 V AC |
| Frequency | 50/60 Hz |
| Accuracy Class | 0.5% |
| Communication Protocols | IEC 61850, DNP3, Modbus, IEC 60870-5-104 |
| Ethernet Ports | Dual redundant Ethernet |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% RH (non-condensing) |
| Dimensions | 220 × 160 × 100 mm |
| Weight | 2.5 kg |
3. Protection & Functional Features
The REG670 provides a comprehensive set of protection and control functions:
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Differential protection
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Overcurrent and undercurrent protection
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Overvoltage and undervoltage protection
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Stator earth fault protection
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Reverse power protection
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Frequency protection
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Distance and directional protection
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Synchronization and reclosing functions
Additionally, it includes:
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Real-time monitoring and metering
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Switching and control logic
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Fault recording and event analysis
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Flexible configuration for system-specific requirements
4. Applications
This model is widely used in various industries and scenarios:
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Power generation plants
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Utility substations
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Industrial facilities (chemical, oil & gas, manufacturing)
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Commercial buildings with power systems
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Renewable energy systems (hydro, wind integration)
Its flexibility makes it suitable for both centralized and distributed power systems.
5. Product Advantages
1. Comprehensive Protection
Covers almost all generator fault scenarios, reducing the need for multiple devices.
2. High Reliability
Designed for harsh environments with wide temperature tolerance and robust hardware.
3. Advanced Communication
Supports IEC 61850 and multiple industrial protocols for seamless integration.
4. Modular Design
Allows customization and scalability depending on project requirements.
5. Fast Response & Accuracy
Ensures rapid fault detection and system stability.
6. Easy Configuration
User-friendly engineering tools simplify setup and maintenance.
6. Brand & Series Information
| Category | Details |
|---|---|
| Brand | ABB |
| Product Series | 670 Series |
| Product Family | Generator Protection IED |
| Technology | Numerical Protection Relay |
7. Recommended Models (Same Series / Related)
| Model | Description | Key Parameters |
|---|---|---|
| REG670 | Generator protection relay | Up to 765 kV, modular IED |
| RED670 | Line differential protection | High-speed line protection, IEC 61850 |
| REL670 | Line distance protection | Distance + backup protection |
| REC670 | Bay control IED | Control + monitoring integration |
| RET670 | Transformer protection | Differential + thermal protection |
8. Recommended Popular Models (Same Brand)
| Model | Description | Key Parameters |
|---|---|---|
| REF615 | Feeder protection relay | Compact, IEC 61850, LV/MV systems |
| RET615 | Transformer protection | Integrated protection + control |
| REM615 | Motor protection relay | Motor management and protection |
| REL650 | Line protection relay | High-voltage transmission systems |
| REG650 | Generator protection | Flexible configuration, medium complexity |
9. FAQ (10 Q&A)
Q1: What is the main function of REG670?
A: It is primarily used for generator protection, control, and monitoring in power systems.
Q2: Can it be used in substations?
A: Yes, it is widely used in substations and power plants.
Q3: Does it support IEC 61850?
A: Yes, it fully supports IEC 61850 for digital substation integration.
Q4: What kind of protection does it provide?
A: It includes differential, overcurrent, voltage, frequency, and earth fault protection.
Q5: Is it suitable for harsh environments?
A: Yes, it operates from -40°C to +70°C, making it suitable for industrial environments.
Q6: What is the installation type?
A: It is typically rack-mounted or panel-installed in control cabinets.
Q7: Can it communicate with SCADA systems?
A: Yes, through protocols like IEC 61850, Modbus, and DNP3.
Q8: What industries use this relay?
A: Power generation, oil & gas, manufacturing, and utilities.
Q9: Is configuration flexible?
A: Yes, it supports modular configuration tailored to system needs.
Q10: What is the weight of the device?
A: Approximately 2.5 kg, depending on configuration.