MR VACUTAP VMS - User Manual

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On-load tap-changer

VACUTAP

VMS

Operating Instructions

5993419/02 EN . Selector size C

Main Page

Table of Contents3
Introduction6
Manufacturer6
Completeness6
Safekeeping6
Notation Conventions7
Hazard Communication System7
Information System8
Instruction System8
Safety10
Appropriate Use10
Inappropriate Use11
Fundamental Safety Instructions11
Personnel Qualification13
Personal Protective Equipment14
Product Description15
On-Load Tap-Changer15
Function Description15
Setup/Models16
Nameplate and Serial Number18
Protective Devices18
Drive Shaft25
Function Description25
Design/Versions26
Commissioning31
Commissioning Transformer at Operating Site31
Filling the Oil Compartment of the On-Load Tap-Changer with Insulating Fluid31
Bleeding On-Load Tap-Changer Head and Suction Pipe33
Checking Motor-Drive Unit34
Checking Protective Relay35
Checking Pressure Monitoring Device36
Commissioning the Transformer37
Operation38
Operating the Motor-Drive Unit with the Hand Crank38
Fault Elimination40
Tripping the Protective Relay and Re-Commissioning the Transformer42
Flap Valve in OPERATION Position43
Flap Valve in off Position43
Re-Commissioning the Transformer43
Tripping the Pressure Monitoring Device and Putting the Transformer Back into Operation44
Sensor in the OPERATION Position44
Sensor in the off Position44
Re-Commissioning the Transformer45
Maintenance46
Inspection47
Maintenance Intervals48
Changing the Insulation Fluid50
Moving On-Load Tap-Changer to Adjustment Position50
Removing Horizontal Drive Shaft50
Emptying the Oil Compartment and Oil Conservator52
Filling the Oil Compartment and Oil Conservator with Fresh Insulating Fluid54
Installing Horizontal Drive Shaft56
Centering On-Load Tap-Changer and Motor-Drive Unit57
Performing DC Resistance Measurement on Transformer57
Technical Data59
Technical Data for On-Load Tap-Changer59
On-Load Tap-Changer Properties59
Permissible Ambient Conditions59
Technical Data for Protective Relay60
Special Models of Protective Relay62
Protective Relay with CO Change-Over Contact as Tripping Switch62
Protective Relay with Several Dry-Reed Magnetic Switches63
Technical Data for Pressure Monitoring Device63
Limit Values for Dielectric Strength and Water Content of Insulating Fluids65
Drawings66
Dimensional Drawings66
Selector69
On-Load Tap-Changer Head71
Tools76
Additional Drawings76

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MR VACUTAP VMS Specifications

General

Brand	MR
Model	VACUTAP VMS
Category	Industrial Equipment
Language	English

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