REL551 1MRK002480-AE line differential protection terminal

REL551 1MRK002480-AE line differential protection terminal

Product Details Introduction

REL551 1MRK002480-AE Line Differential Protection Terminal Description

1、 Overview

REL551 1MRK002480-AE line differential protection terminal is the basic unit for distribution, substation, and transmission line differential protection applications, and is part of PANORAMA substation automation. This terminal aims to provide precise control and real-time protection, ensuring the stable operation of the power system.

2、 Main functions

Differential protection function:

Measurement of differential amplitude and phase angle of split phase current

Improving stability through CT saturation detector

Continuous compensation for transmission delay, capable of using routing switched communication networks

Transfer tripping within digital communication channels

Main/Main Design

Supports interfaces for multiple connections, direct fiber optic or pilot lines

Additional protection function:

Phase and residual current functions

Circuit breaker fault protection

Fast inter channel communication of binary signals

Current circuit monitoring

Unipolar or multipole tripping

Control and command functions:

Automatic reclosing

Monitoring function:

Event recorder

Interference recorder

3、 Characteristics

REL551 1MRK002480-AE line differential protection terminal has the following characteristics:

High accuracy: By measuring the differential amplitude and phase angle of the split phase current, precise differential protection is provided.

Strong stability: By utilizing CT saturation detector and continuous compensation for transmission delay, the stability of the system is improved.

Strong communication capability: Supports transfer tripping within digital communication channels, achieving fast and accurate communication.

Comprehensive functionality: In addition to basic differential protection functions, it also provides additional protection and control command functions to meet the needs of different scenarios.

4、 Application scenarios

REL551 1MRK002480-AE line differential protection terminal is suitable for differential protection applications in various distribution, substation, and transmission lines, especially suitable for scenarios that require high precision, high stability, and strong communication capabilities.

5、 Precautions

Before use, please carefully read the product manual to ensure proper installation and configuration.

If you encounter any problems during use, please contact the technical support team in a timely manner for resolution.

Regularly inspect and maintain the terminal to ensure its normal operation and stable performance.

Product image

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其他网站链接

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