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GE MFAC 34

GE MFAC 34
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GE Energy Connections
Grid Solutions
MFAC
14, 34
User Manual
High Impedance Differential Relay
Publication reference: R8007H
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GE MFAC 34 Specifications

General IconGeneral
BrandGE
ModelMFAC 34
CategoryRelays
LanguageEnglish

Summary

Safety Section

Health and Safety Precautions

Information for safe installation and handling of products.

Installing, Commissioning, and Servicing

Equipment Connections

Procedures for connecting equipment and safety awareness.

Equipment Operating Conditions

Current Transformer Circuits

Warning about live CT secondary circuits and high voltage.

Installation

General Installation Precautions

Careful treatment and site selection for protective relays.

Commissioning

Relay Description and Setting Calculations

Details on relay types, settings, and preliminary calculations.

Commissioning at Specific Settings

Instructions for verifying relay operation at calculated settings.

Mechanical Settings

General Mechanical Settings

Procedures for measuring armature gaps and contact pressures.

Problem Analysis

Failure to Operate

Troubleshooting steps for relay failure to operate.

Output Contacts Not Changing State

Steps to diagnose and resolve issues with output contacts.

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