Overview
The RED670 1MRK002810-XE is engineered to protect overhead lines and cables using differential protection based on current comparison. It ensures fast fault detection and isolation, minimizing system disruption and equipment damage. Moreover, the relay supports single and parallel line configurations, with or without transformers, making it adaptable to various grid topologies. Its IEC 61850 compliance enables seamless integration into digital substations and SCADA systems. In addition, the RED670 features advanced fault detection algorithms, high-speed communication, and modular hardware for scalable deployment.
Technical Data / Specifications
| Specification | Details |
|---|---|
| Model | RED670 |
| Part Number | 1MRK002810-XE |
| Product Type | Line Differential Protection Relay |
| Dimensions | 177 × 177 × 190 mm |
| Weight | 3.5 kg |
| Operating Temperature | -25°C to +70°C |
Typical Applications
The RED670 is widely used in transmission and sub-transmission systems for protecting critical line infrastructure. It supports fault detection across long-distance lines and ensures coordinated tripping in multi-terminal networks. For instance, utilities deploy RED670 in digital substations to enhance grid reliability and reduce fault recovery time. In addition, its modular design and flexible logic functions make it suitable for both new installations and retrofit projects. The relay’s high-speed communication and advanced diagnostics also support predictive maintenance and system health monitoring.
FAQ
Q: What is the primary function of the RED670 relay?
A: It provides line differential protection, distance protection, and backup fault isolation for transmission lines.
Q: Is the RED670 compatible with IEC 61850?
A: Yes, it fully supports IEC 61850 along with other protocols like Modbus and DNP3.
Q: Can this relay be used in digital substations?
A: Absolutely. It is designed for seamless integration into IEC 61850-based digital substation architectures.
Q: What types of inputs does the RED670 support?
A: It supports 1 A / 5 A CT inputs and standard VT inputs for voltage measurement.
Q: What industries typically use this relay?
A: Power utilities, transmission operators, and industrial facilities with high-voltage infrastructure.
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