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MR VACUTAP VV III 250 D User Manual

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On-Load Tap-Changer
VACUTAP® VV-Ex
Operating Instructions
4983689/00 EN

Table of Contents

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MR VACUTAP VV III 250 D Specifications

General IconGeneral
BrandMR
ModelVACUTAP VV III 250 D
CategoryIndustrial Equipment
LanguageEnglish

Summary

Safety

General Safety and Usage Guidelines

General safety advice, appropriate and inappropriate use of the product.

Explosion Protection Classifications

Details on equipment categories, ignition protection types, and explosion groups.

Explosion Groups and Temperature Classes

Further details on explosion groups, temperature classes, and EPL.

Manufacturer's Explosion Protection Measures

Manufacturer's measures for explosion protection, including oil quality and temperature monitoring.

Operator's Explosion Protection Measures

Operator responsibilities for explosion protection, including components and oil system.

Personal Protective Equipment (PPE)

Guidelines on essential personal protective equipment for safe work.

Product Description

Commissioning the Transformer

Checking Motor-Drive Unit

Procedure for testing the motor-drive unit before commissioning.

Checking Protective Relay

Detailed steps for testing the functioning of the protective relay.

Filling with Insulating Oil

Step-by-step guide for filling the tap-changer with insulating oil.

Final Transformer Commissioning

Final steps for commissioning the transformer after checks.

Operation

Fault Elimination

General Fault Handling and Warnings

Important safety warnings and initial steps for fault diagnosis.

Protective Relay Tripping Procedures

Steps to follow when the protective relay trips and for re-commissioning.

Inspection and Maintenance

Technical Data

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