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VACUTAP VV III 250 D
MR VACUTAP VV III 250 D User Manual
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On-Load Tap-Changer
VACUTAP® VV-Ex
Operating Instructions
4983689/00 EN
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
6
Validity
6
Manufacturer
6
Subject to Change Without Notice
7
Completeness
7
Safekeeping
7
Notation Conventions
7
Symbols
8
Hazard Communication System
9
Information System
10
2 Safety
11
General Safety Information
11
Appropriate Use
11
Inappropriate Use
11
Standards and Regulations
12
Application Range of the On-Load Tap-Changer
12
Standards and Regulations
14
Measures for Ensuring Compliance with Explosion Protection Requirements
15
Measures Taken by the Manufacturer
15
Measures to be Taken by the Transformer Manufacturer/Operator
15
Personnel Qualification
18
Operator's Duty of Care
19
Personal Protective Equipment
19
Protective Devices
20
Protective Relay RS 2001-Ex
21
Rupture Disk
21
Tap-Change Supervisory Control
21
Temperature Monitoring
21
3 Product Description
22
Scope of Delivery
22
On-Load Tap-Changer
22
Function Description
22
Setup/Models
23
Name Plate
26
Drive Shaft
26
Function Description
26
Design/Versions
28
Identification Plate
30
Protective Relay
30
Function Description
30
Setup/Versions
31
Name Plate
32
4 Commissioning the Transformer at the Operating Site
33
Checking Motor-Drive Unit
33
Checking Protective Relay
34
Checking Protective Relay (RS 2001, 2001/V, 2001/H, 2001/E, 2001/5, 2001/R, 2003)
34
Filling the Oil Compartment of the On-Load Tap-Changer with Oil
35
Bleeding On-Load Tap-Changer Head and Suction Pipe
36
Bleeding On-Load Tap-Changer Head
36
Bleeding Suction Pipe on Pipe Connection S
37
Performing Trial Tap-Change Operations
37
Commissioning the Transformer
38
5 Operation
39
Actuating Motor-Drive Unit with Hand Crank
39
Checking the Quality of Insulating Oils
39
6 Fault Elimination
41
Tripping of the Protective Relay and Re-Commissioning the Transformer
43
Flap Valve in in SERVICE Position
44
Flap Valve in off Position
44
Re-Commissioning the Transformer
44
7 Inspection and Maintenance
45
Inspection
45
Maintenance
46
Maintenance Intervals
46
Oil Change
48
8 Technical Data
49
Limit Values for Dielectric Strength and Water Content of On-Load Tap-Changer Oil
50
8.2 Technical Data for Protective Relay
51
Protective Relay with Several Dry-Reed Magnetic Switches
52
9 Drawings
53
External View (737774)
53
On-Load Tap-Changer Head Without Oil Suction Pipe (898863)
54
On-Load Tap-Changer Head with Oil Suction Pipe (737060)
55
Installation Drawing (738902)
56
Oil Suction Pipe (739172)
57
Dimensions of Oil Suction Pipe (Not Supplied by MR, 734342)
58
Tracing Template for On-Load Tap-Changer Head (893787)
59
Mounting Drawing (898866)
60
Mounting with Bell-Type Tank Installation (899110)
61
Position of On-Load Tap-Changer (899409)
62
Position of Connection Contacts (899051)
63
Tap-Change Supervisory Control (733469)
64
Bevel Gear CD 6400, Dimensional Drawing (892916)
65
Glossary
66
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MR VACUTAP VV III 250 D Specifications
General
Brand
MR
Model
VACUTAP VV III 250 D
Category
Industrial Equipment
Language
English
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