Megger AVTMTTR100 - Figure 4-1 Single-Phase TTR Display & Control Panel

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AVTMTTR100-ENG Rev 6 Nov 2015

there is a left & right scroll () () button, a space (



) button

which is combined with the number 1 button, a backspace -

clear () button, an enter (

)

button, a combined decimal point,

slash & dash sign button (. / -), and an asterisk ( * ) button.

NOTE: the asterisk button is used to return to the Main Menu

screen from any other screen.

Figure 4-1 Single-Phase TTR Display & Control Panel

CONTRAST

Display Screen

Power ON switch

Back Light switch

Power OFF switch

Keypad

Main Page

Table of Contents5
Introduction9
Receiving Instructions9
General Information9
Safety13
Specifications17
Electrical17
Environmental Conditions19
Physical Data19
Description21
Principle of Operation21
Controls, Indicators, and Connectors (Figure 4-1)21
Figure 4-1 Single-Phase TTR Display & Control Panel22
Figure 4-2. Top Side Connector Panel23
Setup and Connections25
General Instructions25
Transformers25
Single-Phase, Two-Winding Transformers26
Distribution Transformers with Two Secondary Windings26
Figure 5-1. Setup for Testing Single-Phase Transformer27
Figure 5-2. Setup for Testing Single-Phase Autotransformer27
Figure 5-3. Setup for Testing Single-Phase, Type a (Straight Design) Step Voltage Regulator28
Figure 5-4. Setup for Testing Single-Phase, Type B (Inverted Design) Step Voltage Regulator28
Current Transformers (Cts)29
Figure 5-5. Setup for Testing Unmounted Current Transformer30
Figure 5-6. Setup for Testing Taps on Multiple Tap CT30
Figure 5-7. Setup for Testing BCT Mounted on Single-Phase Two-Winding Transformer31
T-Type Transformers32
Table 5-1. ANSI Transformer Winding Phase Relationship32
Connections and Vector Voltage Diagrams33
Table 5-2. ANSI Transformer Winding Phase Relationship35
Table 5-3. CEI/IEC 76-1:2011 Transformer Winding Phase Relationship45
Table 5-4. Transformer Winding Phase Relationship (Australian Std. 2374, Part 4 - 2003)55
Operation61
General Operating Procedure61
Description of Menus and Test Screens61
Figure 6-1. Opening Display Screen62
Figure 6-2. Main Menu Screen63
Figure 6-3. Transformer Configuration Screen64
Figure 6-4. Single Phase Transformer Configuration Screen65
Figure 6-4A. Additional Single Phase Transformer Configuration Screen65
Figure 6-5. Three Phase Transformer Configuration Screen66
Figure 6-5A. Three Phase Transformer Configuration Screen66
Figure 6-6. T - Type Transformer Configuration Screen66
Quick Test Single Phase Transformer67
Figure 6-7. Transformer Rating Screen67
Quick Test Three Phase Transformer68
Test T-Type Transformers69
Full Test Single Phase Transformer70
Figure 6-8. TEST SETUP Screen70
Full Test Single Phase Tapped Transformer71
Full Test Cts72
Full Test Regulator72
Test Result Symbols73
Custom Configurations74
Figure 6-9. Custom Configs. Screen74
System Setup75
Figure 6-10. SYSTEM SETUP Screen 175
Figure 6-11. SYSTEM SETUP Screen 276
Figure 6-12. SAVED READINGS Screen77
Error Messages79
Table 6-1. Self-Test Error Messages79
Table 6-2. Test Error Messages80
Table 6-3. Test Result Error Messages81
Table 6-4. Miscellaneous Messages81
Use with the Optional Printer82
Figure 6-13A. Sample Test Report Header82
Figure 6-13B. Sample Single Phase Test Report82
Using Comlink Program83
Figure 6-14. Report Printout87
Service89
Maintenance89
Calibration89
TTR100 Test Set Functional Test90
Battery Maintenance91
Troubleshooting93
Table 7-1. Troubleshooting Guide93
Repair94
Ordering Information and Spare Parts List95
Warranty99

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