MULTILIN 735-5-HI-485 feeder protection relay

MULTILIN 735-5-HI-485 feeder protection relay

Product Details Introduction

Multilin 735-5-HI-485 is a feeder protection relay designed specifically for power transmission and distribution systems, providing comprehensive protection, control, and monitoring functions. This relay is typically used to protect feeders in power systems and ensure rapid fault removal and restoration of normal power supply in the event of a fault.

Product Overview

Model: 735-5-5-HI-485

Brand: Multilin

Product Type: Feedline Protection Relay

Application area: Protection and control of power transmission and distribution systems

major function 

Overcurrent protection:

Provide overcurrent protection for phase to phase and ground faults to ensure rapid fault removal in the event of an overcurrent fault.

Support time current characteristic curves (such as IEC and ANSI standards) to flexibly adapt to different protection requirements.

Undervoltage protection:

Monitor system voltage, provide undervoltage protection, and ensure timely measures are taken in case of abnormal voltage.

Overvoltage protection:

Monitor system voltage, provide overvoltage protection, and prevent equipment damage due to overvoltage.

Circuit breaker failure protection:

Monitor the status of circuit breakers, provide circuit breaker failure protection, and ensure timely isolation of the fault area in case of circuit breaker failure.

Automatic reclosing function:

Provide automatic reclosing function to ensure rapid restoration of power supply after transient faults.

Event recording and fault reporting:

Record events and fault information, provide detailed fault reports for easy fault analysis and maintenance.

Communication interface:

Supports RS485 communication interface, compatible with Modbus protocol, easy to integrate with other devices and systems.

technical specifications

Power Supply Voltage: Multiple power supply voltage options, commonly including 24VDC, 48VDC, and 110VDC.

Input voltage range: Suitable for different voltage levels of the power grid.

Output contacts: Provide multiple output contacts for controlling circuit breakers and other actuators.

Protection function: Supports multiple protection functions, including overcurrent, overvoltage, undervoltage, and circuit breaker failure protection.

Communication protocol: Supports Modbus protocol for data communication and remote control through RS485 interface.

Environmental adaptability: Suitable for industrial environments, capable of stable operation under a wide temperature range and high humidity conditions.

Installation method: Supports panel installation for easy installation and maintenance.

application area 

Power transmission and distribution system protection: Provide line protection in the transmission and distribution network to ensure the safe operation of the system.

Industrial power system protection: In industrial power systems, critical equipment and lines are protected to ensure the stability of the production process.

Distribution station protection: used for feeder protection in distribution stations to prevent large-scale power outages caused by faults.

Power facility protection: Provide protection and monitoring functions in power plants, substations, and other power facilities.

Installation and maintenance

Installation:

Location: Installed inside the distribution cabinet or control cabinet, connected to the protected equipment and system.

Method: Support panel installation to ensure easy and secure installation.

maintain:

Regular inspection: Regularly check the connection and operation status of the relay to ensure its normal operation.

Firmware update: Perform firmware updates as needed to enhance functionality and performance.

Fault diagnosis: Utilize the diagnostic function of relays to promptly identify and solve potential problems.

advantage

High reliability: Provide high reliability protection functions to ensure the safe operation of the power system.

Flexibility: Supports multiple protection functions and communication protocols to adapt to different application requirements.

Data recording: Provide detailed event and fault records for easy analysis and maintenance.

High integration: seamlessly integrated with other Multilin protection devices to form a complete protection and control solution.

summary

The Multilin 735-5-HI-485 feeder protection relay is a high-performance power system protection device that provides comprehensive protection, control, and monitoring functions. Its reliable performance and flexible application options make it an ideal choice in the field of power system protection.

Product image

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