Excellent PLC
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| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The ABB RET670 1MRK002816-AA is a high-performance transformer protection relay designed for power transformers and autotransformers in utility and industrial systems. It provides comprehensive protection, control, and monitoring functionalities to ensure safe and efficient transformer operation.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | RET670 1MRK002816-AA |
| Protection Functions | Differential, overcurrent, thermal, and more |
| Control Functions | Circuit breaker control, autorecloser |
| Communication Protocols | IEC 61850, Modbus, DNP3, SPA, LON |
| Display | 7-inch graphical LCD, multilingual interface |
| Mounting | Flush or rack mounting |
| Power Supply | 24–250 V DC / 100–240 V AC |
| Operating Temperature | –25°C to +55°C |
| Storage Temperature | –40°C to +85°C |
| Dimensions (W x H x D) | 265.9 x 223.7 x 242.1 mm |
| Weight | 10 kg |
Applications
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Transformer differential protection for two- or three-winding transformers
-
Autotransformer protection in high-voltage substations
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Protection of generator step-up transformers
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Industrial transformer monitoring and control
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Backup protection and breaker failure detection
Advantages
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Comprehensive transformer protection in one unit
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Full IEC 61850 compliance for seamless communication
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Accurate fault detection minimizes damage and downtime
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Flexible configuration to suit different transformer setups
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Scalable and future-proof for expanding power networks
FAQ
1. What types of transformers does the RET670 support?
It supports two-winding, three-winding, and autotransformers.
2. Does the RET670 comply with IEC 61850?
Yes, it supports full IEC 61850 Edition 1 and 2 compliance.
3. Can the relay be used for generator step-up transformer protection?
Yes, it is ideal for generator step-up transformer applications.
4. What is the primary differential protection feature?
It uses a stabilized differential protection scheme with phase-segregated measurement.
5. How does RET670 handle internal faults?
It rapidly detects internal transformer faults and trips breakers to isolate the fault.
6. Is remote access available for configuration and monitoring?
Yes, remote access is supported via Ethernet and other protocols.
7. What kind of HMI does the RET670 include?
It includes a 7-inch graphical LCD with multilingual support.
8. Does it support redundant power supply?
Yes, optional redundant power supply is available for higher reliability.
9. Can the RET670 be installed in harsh environments?
Yes, it operates in temperatures from –25°C to +55°C and stores between –40°C to +85°C.
10. Are firmware updates available for this device?
Yes.
Related Models in the Same Series
| Model | Application | Dimensions (mm) | Weight |
|---|---|---|---|
| RET670 1MRK002816-BA | Transformer protection (dual winding) | 265.9 x 223.7 x 242.1 | 10 kg |
| RET670 1MRK002816-CA | Advanced transformer and busbar | 265.9 x 223.7 x 242.1 | 10 kg |
| RET670 1MRK002816-DA | Autotransformer protection | 265.9 x 223.7 x 242.1 | 10 kg |
| RET670 1MRK002816-EA | GSU transformer & line protection | 265.9 x 223.7 x 242.1 | 10 kg |
| RET670 1MRK002816-FA | Industrial transformer protection | 265.9 x 223.7 x 242.1 | 10 kg |
| RET670 1MRK002816-GA | Multi-transformer station protection | 265.9 x 223.7 x 242.1 | 10 kg |
Popular ABB Models
| Model | Function | Dimensions (mm) | Weight |
|---|---|---|---|
| REF615 | Feeder protection | 261 x 177 x 231 | 5.2 kg |
| REL650 | Line differential protection | 265.9 x 223.7 x 242.1 | 9.8 kg |
| RET620 | Compact transformer protection | 223 x 174 x 205 | 5.4 kg |
| REG630 | Generator protection | 261 x 177 x 231 | 6.1 kg |
| REM630 | Motor protection relay | 261 x 177 x 231 | 6.0 kg |
| REF630 | Feeder protection with arc flash | 261 x 177 x 231 | 5.8 kg |
