Multilin D60K03KHF8LH6 relay

Multilin D60K03KHF8LH6 relay

Product Details Introduction

The Multilin D60K03HHF8LH6 relay is a high-performance protection and control relay from the GE Multilin series, designed specifically for differential protection applications in power systems. This relay has powerful protection functions, flexible configuration options, and high reliability, and is widely used in substations, transmission and distribution systems, and industrial power systems.

Main functions and features

differential protection 

High sensitivity differential protection: Provides high sensitivity phase and zero sequence differential protection, which can quickly detect and isolate faults.

Unbalance detection: equipped with imbalance detection function, effectively preventing internal faults of transformers and lines.

Overcurrent protection

Instantaneous overcurrent protection: Quickly respond to instantaneous overcurrent situations to ensure the safe operation of the system.

Fixed time and inverse time overcurrent protection: Configure fixed time and inverse time overcurrent protection according to user needs to adapt to different protection requirements.

Voltage protection

Overvoltage and undervoltage protection: Provides efficient overvoltage and undervoltage protection to prevent abnormal voltage from causing damage to the system.

Zero sequence voltage protection: Monitor zero sequence voltage and provide effective protection against ground faults.

Frequency protection

Protection against high and low frequencies: Monitor the system frequency, provide protection against high and low frequencies, and ensure the stability of the system.

Circuit breaker control

Automatic reclosing function: It has the function of automatic reclosing to improve the power supply reliability of the system.

Circuit breaker failure protection: provides circuit breaker failure protection, quickly identifies and isolates faulty circuit breakers.

Communication and Interface

Multiple communication protocols: Supports Modbus, DNP3, IEC 61850 and other communication protocols to ensure compatibility with different systems.

Ethernet and Serial Interface: Provides Ethernet and RS-232/RS-485 serial interfaces for convenient data exchange and communication with external devices.

Data recording and event analysis

Fault record: Record detailed information of fault events for easy fault analysis and diagnosis.

Event log and waveform capture: Provides event log and electrical waveform capture functions to assist users in conducting in-depth event analysis.

User interface and configuration

Intuitive LCD display screen: Equipped with an LCD display screen, it provides an intuitive user interface for users to view and set parameters.

Graphical configuration tool: Use graphical configuration tools to configure and manage the system, simplifying the operation process.

Remote configuration and monitoring: Supports remote configuration and monitoring functions for centralized management and maintenance.

High reliability and environmental adaptability

Industrial grade design: Adopting high reliability industrial grade design to adapt to various harsh working environments.

Wide temperature range operation: capable of stable operation within a wide temperature range, ensuring the reliability of the system.

application area 

transformer substation

Main Transformer Protection: Provides comprehensive differential protection and overcurrent protection for the main transformers in the substation.

Busbar protection: Monitor and protect the busbars in substations to prevent the expansion of faults and ensure the stability of the power system.

Power transmission and distribution system

Line protection: Provide efficient differential protection and overcurrent protection for transmission lines to prevent widespread power outages caused by faults.

Segmented protection: Protecting and controlling each segment in the distribution system to improve the reliability of the distribution network.

Industrial power system

Equipment protection: Protect large motors and critical equipment in industrial power systems to prevent production interruptions caused by malfunctions.

Grid stability: Ensure the stable operation of industrial power systems through differential protection and overcurrent protection.

summary

The Multilin D60K03KHF8LH6 relay provides advanced differential protection, overcurrent protection, voltage protection, and frequency protection functions, suitable for key equipment protection in substations, transmission and distribution systems, and industrial power systems. Its high sensitivity, high reliability, and rich communication interfaces make it an important component of power protection and control systems.

Product image

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