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ECOTAP VPD 3 30D-24
MR ECOTAP VPD 3 30D-24 - User Manual
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On-load tap-changer with motor-drive unit
ECOTAP
®
VPD
®
III 30D-24 / MD&C
Operating Instructions
8209941/00 EN
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Introduction
7
Manufacturer
7
Completeness
7
Safekeeping
7
Notation Conventions
7
Hazard Communication System
7
Information System
9
Instruction System
9
Typographic Conventions
10
2 Safety
11
Appropriate Use
11
Inappropriate Use
12
Fundamental Safety Instructions
12
Personnel Qualification
14
Personal Protective Equipment
15
3 Product Description
16
Scope of Delivery
16
Function Description
16
Operating Modes
17
Design
19
Control Unit Operating Concept
20
4 Packaging, Transport and Storage
22
Packaging
22
Suitability
22
Markings
23
Transportation, Receipt and Handling of Shipments
24
Storage of Shipments
25
Unpacking Shipments and Checking for Transportation Damages
26
5 Mounting
27
Fastening On-Load Tap-Changer to Transformer Cover
27
Connecting Tap Winding and On-Load Tap-Changer Take-Off Lead
30
Mounting Motor-Drive Unit
33
Connecting Control Unit at the Transformer Manufacturer's Site
40
Cable Recommendation
41
Connecting Motor-Drive Unit and Voltage Supply
41
Taking Measurements
44
Drying the On-Load Tap-Changer
46
Filling Transformer with Oil
48
6 Commissioning
49
Commissioning the On-Load Tap-Changer at the Transformer Manufacturer's Site
49
Performing Trial Tap-Change Operations
51
Tests on the Transformer
52
Resetting Automatic Adjustment
54
Transporting Transformer to the Operating Site
55
Commissioning Transformer at Operating Site
55
Checking the Correct Position of the On-Load Tap-Changer and Motor-Drive Unit
56
Mounting the Control Unit on an Even Surface
57
Connecting Control Unit at Operating Site
57
Switching on Power Supply
63
Performing Trial Tap-Change Operations
64
Switching on Medium Voltage
65
Setting Parameters
66
Checking Automatic Voltage Regulation
66
When Operating with Alternative Insulating Liquids: Activating Temperature Blocking
67
Switching on the Low-Voltage Busbar
67
7 Operation
69
Monitoring On-Load Tap-Changer
69
Selecting the Operating Mode
70
Actuating On-Load Tap-Changer Using the Emergency Drive Shaft
71
Configuring the Control Unit
75
Regulation
75
Voltage Blocking (P4)
80
Blocking Function (P5)
81
Target Position for Loss of Voltage (P6)
81
Number of Operating Positions (P7)
83
Regulating Range (P8)
84
Remote Behavior (P9)
85
Password Protection (P10)
85
Adjustment (F1)
87
Reading Remaining Life (F2)
89
LED Function Test (F3)
90
Software Update (F4)
91
Invert Travel Commands (F5)
91
Read out Software Version (F6)
92
Customer Message for Event Messages E1 and E2 (F7)
92
Reset to Factory Setting (F8)
93
Display Control Parameters (F9)
94
Displaying Event Memory (E)
94
8 Control System Protocol
96
Modbus RTU Parameters
96
Function Codes
96
Data Format
96
Data Points (Single Inquiry)
97
Coils
97
Discrete Inputs
97
Input Register
98
Holding Register
99
Data Points (Collective Inquiry)
100
9 Fault Elimination
103
General Faults
103
Problem with Automatic Voltage Regulation (AVR AUTO)
103
Other Faults
104
10 Maintenance
105
Inspection
105
Visual Check
105
Checking the Control Unit
106
Read out Software Version (F6)
106
Reading Remaining Life (F2)
106
LED Function Test (F3)
107
Checking the Temperature Blocking
108
Oil Quality
108
Maintenance
109
Care
109
11 Messages
110
Leds
110
Event Messages
110
12 Overview of Parameters
112
13 Disposal
114
14 Technical Data
115
On-Load Tap-Changer Type Designation
115
ECOTAP® VPD On-Load Tap-Changer Designation
115
Number of Positions and Basic Connection
115
Technical Data for the On-Load Tap-Changer
116
Step Capacity Diagram
117
Permitted Voltage Stresses
118
Limit Values for Dielectric Strength and Water Content of On-Load Tap-Changer Oil
121
Technical Data of the Control Unit
121
Technical Data for the Motor-Drive Unit
122
15 Drawings
123
Information on the Drawings in the Appendix
123
Dimensional Drawings
123
High-Voltage Connection Diagrams
127
Dimensional Diagram for Control Unit (10014680)
130
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MR ECOTAP VPD 3 30D-24 Specifications
General
Brand
MR
Model
ECOTAP VPD 3 30D-24
Category
Industrial Equipment
Language
English
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