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GE MVAX 31 User Manual

GE MVAX 31
38 pages
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GE
Grid Solutions
MVAX
11, 12, 21, 31, 91
Technical Manual
Trip Circuit Supervision Relay
Publication reference: R8010RB

Table of Contents

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GE MVAX 31 Specifications

General IconGeneral
BrandGE
ModelMVAX 31
CategoryRelays
LanguageEnglish

Summary

Safety Section

General Safety Statements and External Label Information

Information on safe handling, commissioning, testing, and label markings for GE equipment.

Health and Safety Precautions

Ensuring safe installation and handling of equipment; identifies qualified personnel and risks.

Equipment Symbols and Labels

Explanation of safety symbols and labels used on or referred to in the documentation.

Installation Procedures

General Installation Guidance

Covers general installation, unpacking, storage, and mounting requirements for relays.

Commissioning Procedures

Initial Commissioning Steps

Covers general, wiring, insulation checks, and initial steps for MVAX 11 and 12.

MVAX 21, 31, 91 Commissioning

Checks for MVAX 21, 31, 91 relays, including external wiring and resistor values.

Electrical Operation Tests

Performing operational tests for relay functionality under various conditions.

Maintenance and Mechanical Settings

Maintenance Guidelines

Guidance on periodic inspection and testing for relay upkeep.

General Mechanical Settings

Basic checks and definitions for mechanical settings, contact states, and armature gaps.

Nominal Armature Gap Settings

Specifies nominal armature gap values for different MVAX relay units.

Contact Settings and Forces

Details contact settings, including forces for closing/opening and contact gaps.

Mechanical Flag Settings

Adjustment procedures for hand reset and self reset reverse flags.

Problem Analysis and Spares

Troubleshooting and Problem Analysis

Common issues like failure to operate/reset, contact states, and reset times.

Spares and Repairs Information

Information on ordering spares and the procedure for returning equipment for repair.

Commissioning Test Record

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