889-E-P5-P5-B5-L-S-S-A-L-A-M-A-P-F-A-SE-N-N-B-N advanced generator protection relay

The Multilin 889 is an advanced generator protection relay from GE Grid Solutions, part of the Multilin 8 series of protective relay platforms. It is designed to protect, control, monitor and manage generators and in-area transformers used in industrial and utility applications.

Product features:

Provides high-speed protection, customizable programming logic, and flexible configuration.
Support for IEC 61850 Version 2, simplified device integration and dual communication ports with IEC 62439/PRP.
Enhanced generator protection algorithms provide subcycle differential protection to ensure faster fault clearance time and reduce generator damage.
Dedicated generator monitoring and control functions provide critical operational data for a proactive maintenance approach.

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Description

Overview

Essential details：889-E-P5-P5-B5-L-S-S-A-L-A-M-A-P-F-A-SE-N-N-B-N advanced generator protection relay

Product Description

The Multilin 889 is an advanced generator protection relay from GE Grid Solutions, part of the Multilin 8 series of protective relay platforms. It is designed to protect, control, monitor and manage generators and in-area transformers used in industrial and utility applications.

Product features:

Provides high-speed protection, customizable programming logic, and flexible configuration.
Support for IEC 61850 Version 2, simplified device integration and dual communication ports with IEC 62439/PRP.
Enhanced generator protection algorithms provide subcycle differential protection to ensure faster fault clearance time and reduce generator damage.
Dedicated generator monitoring and control functions provide critical operational data for a proactive maintenance approach.
Additional generator-transformer integral differential protection (87O) provides additional backup protection.
Advanced differential protection for generators and regional transformers.
Industry-standard cybersecurity tools, such as AAA, Radius, RBAC, and Syslog, support NERC/CIP requirements.
Low insertion force and draw-out design simplify testing, commissioning and maintenance, and increase process uptime.
Optional Wi-Fi connectivity minimizes system configuration for remote relay programming and diagnostic retrieval.

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Product parameter

Supports configuration of up to 12 analog current transformer (CT) and 8 voltage transformer (VT) signals to monitor power system equipment.
100% stator ground fault protection for high resistance ground systems (HRG), low resistance ground systems (LRG), or mixed ground systems.
Provides negative sequence overcurrent protection, especially for Delta/Wye impedance ground transformers.
Monitoring and diagnostic tools that provide critical operational data to help operators and asset managers identify process issues and maintenance requirements before damage occurs.

APPLICATION

Full protection for small to large generators.
Suitable for industrial or utility power generation.
Suitable for cogeneration and renewable energy generation applications.
Suitable for unit transformer protection applications.

Superiority products 889-E-P5-P5-B5-L-S-S-A-L-A-M-A-P-F-A-SE-N-N-B-N advanced generator protection relay

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