Description

The ABB RET615E-1Gis a versatile numerical protection relay designed for feeder and distribution applications in utility and industrial power systems.This advanced protection terminal combines comprehensive protection functions with sophisticated control and monitoring capabilities,making it ideal for medium-voltage switchgear applications requiring reliable operation and easy integration.

Application Scenarios

In a large industrial facility in Germany,the ABB RET615E-1Gprotection relays were deployed to protect critical 20kV feeders supplying production lines.The facility had experienced nuisance tripping with their previous electromechanical relays during motor starting conditions.After implementing ABB RET615E-1Gunits with advanced harmonic restraint and voltage-dependent overcurrent protection,the system achieved 100%correct operation over two years,eliminating false trips while maintaining fast fault clearance for actual faults.The relay’s detailed event recording helped identify a developing cable insulation issue before it caused a major outage.

Parameter

Main Parameters

Value/Description

Product Model

ABB RET615E-1G

Manufacturer

ABB

Product Type

Numerical Protection Relay

Protection Functions

Overcurrent,earth-fault,thermal,motor protection

Communication

IEC 61850,Modbus,DNP3,IEC 60870-5-103

Inputs

7 analog current/voltage inputs

Outputs

10 programmable relays

Display

Graphical LCD with single-line diagram

Protocols

GOOSE,MMS,SNTP

Rated Current

1A or 5A

Auxiliary Supply

24-48V DC/110-240V AC/DC

Operating Temperature

-40°C to+70°C

Protection Degree

IP54 front,IP20 rear

Certifications

IEC 60255,UL,CE

Technical Principles and Innovative Values

Advanced Protection Algorithms:The ABB RET615E-1Gutilizes sophisticated digital signal processing with sampling rates of 80 samples/cycle,ensuring accurate measurement even under harmonic distortion conditions.The relay’s adaptive protection characteristics automatically adjust settings based on system conditions,providing optimal coordination across the protection scheme.Directional overcurrent protection with polarization ensures selective fault clearance in networked systems.

Comprehensive Communication Capabilities:Featuring native IEC 61850 Edition 2 compliance,the ABB RET615E-1Genables seamless integration into digital substations.The relay supports GOOSE messaging for fast peer-to-peer communication and IEC 61850-9-2 LE process bus compatibility.Dual Ethernet ports with PRP/HSR support ensure high availability in critical applications.

Intelligent Human-Machine Interface:The ABB RET615E-1Gfeatures a high-resolution graphical display that shows real-time single-line diagrams with measured values.The intuitive navigation menu simplifies operation,while the built-in disturbance recorder captures 128 cycles of pre-fault and post-fault data for detailed analysis.

Application Cases and Industry Value

In a renewable energy project,multiple ABB RET615E-1Grelays were installed to protect collector circuits in a 100MW solar farm.The relays’voltage-controlled overcurrent protection ensured stable operation during varying generation conditions,while the power quality monitoring capabilities helped maintain grid code compliance.The implementation reduced commissioning time by 40%compared to previous solutions and provided comprehensive monitoring through the plant SCADA system.

A large data center utilized ABB RET615E-1Gunits for mission-critical power distribution protection.The relays’high-speed communications enabled integration with the building management system,while the advanced arc protection functionality enhanced personnel safety.The solution provided 99.999%power availability,meeting the data center’s stringent reliability requirements.

Related Products

ABB REF615-Feeder protection relay

ABB REC615-Controller version

ABB REJ615-Voltage relay

ABB REM615-Motor protection relay

ABB RET630-Advanced feeder terminal

Installation and Maintenance

Installation Requirements:The ABB RET615E-1Grequires proper mounting in switchgear panels with adequate clearance for wiring and ventilation.Follow torque specifications for current transformer connections and ensure proper grounding.Commission using ABB’s PCM600 software for optimal configuration.

Maintenance Protocol:Regular maintenance includes verifying measurement accuracy,testing protection functions,and updating firmware.Use the relay’s self-monitoring functions to track hardware health and perform annual functional tests to ensure reliability.

Product Guarantee

We guarantee genuine ABB RET615E-1Gproducts with full technical support.Our protection specialists provide comprehensive assistance from design to commissioning.

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