GE 269PLUS

Description

269PLUS may refer to a motor protection system or relay produced by GE(General Electric).Here is a detailed introduction to it:

1.Product Overview

269PLUS is a microprocessor-based digital relay designed to provide comprehensive and accurate protection for industrial motors and their related mechanical systems.It integrates protection and control functions and is particularly suitable for the protection of medium-sized AC motors.

2.Main Features

Enhanced thermal model:includes current unbalance and RTD(thermal resistor)bias,and temperature monitoring through programmable RTD input to protect stator,bearing and ambient temperature.

Reduce troubleshooting time and maintenance costs:Provide motor operation and learning data,last trip data,help quickly locate and solve faults.

Simplify testing:Built-in simulation function for easy testing and debugging.

Cost-effective access to information:System information can be easily accessed through the standard RS485 serial port using Modbus RTU.

Field-upgradeable settings and firmware:Support field upgrades,which improves the flexibility and scalability of the system.

Flexible installation:Provide remote display and drawer options for easy installation and use.

GE 269PLUS

3.Protection functions

Thermal model bias:with thermal resistor and negative sequence current feedback,used to protect the motor from overheating damage.

Stator winding and bearing overtemperature protection:monitor the temperature of stator winding and bearing to prevent damage caused by overheating.

Motor multiple start protection:supports multiple starts of the motor and provides corresponding protection.

Overload protection:provides 8 standard overload curves and user-defined overload FlexCurve™curves,which can be selected according to the actual situation of the motor.

Unbalanced/single-phase protection:detects unbalanced or single-phase operation of the motor and provides protection.

Short circuit and ground fault protection:detects short circuit and ground fault of the motor to ensure safe operation of the motor.

Reverse phase protection(instrument option):optional reverse phase protection function to prevent the motor from being damaged by reverse phase operation.

GE 269PLUS

4.Monitoring and metering functions

Current and thermal capacity metering:real-time monitoring of the current and thermal capacity of the motor.

Data logger:records the operation data of the motor for easy analysis and diagnosis.

Learning and statistical data:provides the operation and learning data of the motor,which helps to optimize the protection strategy of the motor.

Optional voltage and power metering:Provides optional voltage and power metering functions to meet different application requirements.

5.Application fields

269PLUS is widely used in various industrial fields,such as electricity,chemical industry,machinery,etc.,especially suitable for occasions requiring high reliability and precise protection.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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