MR VACUTAP VR Series User Manual

On-load tap-changer
VACUTAP
®
VR I II III-Ex
Installation and commissioning instructions
5292950/01 EN

MR VACUTAP VR Series Specifications

General

Brand	MR
Model	VACUTAP VR Series
Category	Industrial Equipment
Language	English

Summary

2 Safety

2.1 Appropriate use

Defines the intended application and conditions for safe operation.

2.2 Inappropriate use

Describes prohibited operating conditions and misuse scenarios.

2.3 Fundamental safety instructions

2.4 Standards and regulations

2.5 Measures for ensuring compliance with explosion protection requirements

Details measures taken by manufacturer and operator for explosion safety.

2.6 Personnel qualification

2.7 Personal protective equipment

3 Product description

3.2 On-load tap-changer

3.3 Drive shaft

5 Mounting

5.1 Installation information

General notes and precautions to be observed before and during installation.

5.2 Preparatory work

5.3 Installing the on-load tap-changer in the transformer (standard version)

Detailed steps for mounting the tap-changer in a standard configuration.

5.4 Installing on-load tap-changer in transformer (bell-type tank version)

Detailed steps for mounting the tap-changer in a bell-type tank configuration.

5.5 Fitting protective devices and drive components

Instructions for installing protective devices and drive components.

6 Commissioning

6.1 Commissioning the on-load tap-changer at the transformer manufacturer's site

Procedures for initial commissioning checks before shipment.

6.2 Transporting transformer to the operating site

6.3 Commissioning transformer at operating site

Steps for final commissioning of the transformer and tap-changer.

7 Fault elimination

7.1 Tripping the protective relay and re-commissioning the transformer

Procedures for handling protective relay trips and re-commissioning.