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ATRT-03
Vanguard Instruments Company ATRT-03 Manuals
Manuals and User Guides for Vanguard Instruments Company ATRT-03. We have
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Vanguard Instruments Company ATRT-03 manual available for free PDF download: User Manual
Vanguard Instruments Company ATRT-03 User Manual (112 pages)
THREE-PHASE TRANSFORMER TURNS-RATIO METERS
Brand:
Vanguard Instruments Company
| Category:
Measuring Instruments
| Size: 7.23 MB
Table of Contents
Table of Contents
3
Conventions Used in this Document
6
1 Introduction
7
General Description and Features
7
Technical Specifications
9
ATRT-03 Technical Specifications
9
Table 1. ATRT-03 Technical Specifications
9
ATRT-03A Technical Specifications
10
Table 2. ATRT-03A Technical Specifications
10
ATRT-03B Technical Specifications
11
Table 3. ATRT-03B Technical Specifications
11
Controls and Indicators
12
Figure 1. ATRT-03 Controls and Indicators
12
Table 4. Functional Descriptions of ATRT-03 Controls and Indicators
13
Figure 2. ATRT-03A Controls and Indicators
14
Table 5. Functional Descriptions of ATRT-03A Controls and Indicators
15
Figure 3. ATRT-03B Controls and Indicators
16
Table 6. Functional Descriptions of ATRT-03B Controls and Indicators
17
2 Pre-Test Setup
18
ATRT-03 and ATRT-03B Operating Voltages
18
ATRT-03A Operating Voltages
18
LCD Screen Contrast Control
18
Table 7. Voltage Selection Jumper Settings
18
Figure 4. Voltage Selection Jumper Location and Settings
18
Printer Paper Control (ATRT-03 and ATRT-03A Only)
19
Printer Paper (ATRT-03 and ATRT-03A Only)
19
3 Operating Procedures
20
Connection Diagrams
20
Typical Front Panel Connections
20
Figure 5. Typical Front Panel Cable Connections
20
Typical Connections to a Delta-Wye Transformer
21
Figure 6. Typical H & X Cable Connections to a Delta-Wye Transformer
21
Figure 7. Typical Connections to a Single Phase Transformer
22
Figure 8. Typical Connections to a Single Phase Auto Transformer
22
Figure 9. Typical Connections to a Type a Voltage Regulator
23
Figure 10. Typical Connections to a Type B Voltage Regulator
23
Figure 11. Typical Connections to a Donut Type (Un-Mounted) Current Transformer (CT)
24
Figure 12. Typical Connections to a Multi-Tap Current Transformer
25
Figure 13. Typical Connections to a Bushing Mount CT on a Single Phase Transformer
26
Figure 14. Typical Connections to Bushing Mount Ct's on Delta Transformer
27
Figure 15. Typical Connections to Bushing Mount Ct's on Wye Transformer
28
Setting the Test Voltage
29
Setting the Date and Time
31
Enabling the Computer Interface
32
Using the Turns Ratio Calculator
33
Performing Tests
35
Entering Test Record Header Information
35
Testing a Single Phase Transformer
38
Table 8. Descriptions of Single Phase Test Results Elements (Column Format)
43
Figure 16. Single Phase Test Results Printout - Column Format
43
Table 9. Descriptions of Single Phase Test Results Elements (Detailed Format)
44
Figure 17. Single Phase Test Results Printout - Detailed Format
44
Performing a Three-Phase Test (Y-Dt Example)
45
Table 10. Descriptions of Dyn1 Test Results Elements (Column Format)
49
Figure 18. y to Delta Test Results Printout - Column Format
49
Figure 19. y to Delta Test Results Printout - Detailed Format
50
Table 11. Descriptions of Dyn1 Test Results Elements (Detailed Format)
51
Performing a Special Transformer Test
52
Figure 20. Special Dy11 Transformer Test Printout
57
Performing a Quick Test
58
Testing a Three Phase Transformer Using Auto Detect Mode
61
Restoring a Test Record from Flash EEPROM
64
Reviewing a Test Record
67
Printing or Viewing the Test Record Directory
69
Figure 21. Typical Test Record Directory Printout
71
Erasing Test Records from the Flash EEPROM
72
Working with Test Plans
74
Performing a Test Using a Transformer Test Plan
74
Figure 22. Test Plan Test Results Printout
79
Unloading a Test Plan from the Working Memory
80
Printing or Viewing the Test Plan Directory
81
Printing a Test Plan (ATRT-03 and ATRT-03A Only)
83
Figure 23. Sample Test Plan Printout
85
4 Diagnostics, Verification, and Troubleshooting
86
Performing an H and X Cable Diagnostic Test
86
Performing a Verification Test
87
Appendix A - Transformer Vector Group Codes
89
APPENDIX B - Common ANSI Transformer Descriptions
90
APPENDIX C - CEI/IEC 60076-1 Transformer Descriptions
98
APPENDIX D - Australian Std.2374 Transformer Descriptions
105
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