Megger TTR310 - Page 90

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AVTMTTR310 Rev 8 May 2016

4 PREVIOUS MENU: This selection will return you to the FULL TEST

SETUP 2 screen (Figure 6-6).

5 MAIN MENU: This selection returns you to the MAIN MENU screen

(Figure 6-1).

Main Page

Table of Contents5
Introduction13
TTR310 Transformer Turn Ratio Test Set13
Safety17
Specifications21
Input Power21
Pollution Degree21
Protective Devices21
Output Test Voltage and Current21
Test Frequency21
Loading of Test Transformer22
Measuring Ranges22
Accuracy22
Measurement Method22
Transformer Winding Phase Relationship23
Measuring Time23
Display23
Memory Storage23
Interface23
Description27
Figure 4-1. Three-Phase TTR310 Test Set Block Diagram28
Figure 4-2. Three-Phase TTR310 Control Panel29
Setup and Connections31
Single-Phase, Two-Winding Transformers31
Figure 5-1. Setup for Testing Single-Phase Transformer32
Figure 5-2. Setup for Testing Single-Phase Autotransformer32
Figure 5-3. Setup for Testing Single-Phase, Type a (Straight Design) Step Voltage Regulator33
Figure 5-4. Setup for Testing Single-Phase, Type B (Inverted Design) Step Voltage Regulator34
Current Transformers (Cts)37
Unmounted Cts37
Figure 5-5. Setup for Testing Unmounted Current Transformer38
Figure 5-6. Setup for Testing Taps on Multiple Tap CT38
Bushing Current Transformer (BCT) Mounted on Single-Phase, Two-Winding Transformer39
Figure 5-7. Setup for Testing BCT Mounted on Single-Phase Two-Winding Transformer39
Bcts Mounted on Three-Phase Transformers40
Figure 5-8. Setup for Testing BCT Mounted on Delta Winding on a Three-Phase Power41
Figure 5-9. Setup for Testing BCT Mounted on Wye Winding of a Three-Phase Transformer42
T-Type Transformers43
T-Type Transformer Winding Phase Relationship43
Connections and Vector Voltage Diagrams44
Figure 5-10. Winding Connections and Phase Relationship46
Notes to Table 5-447
ANSI Transformer Winding Phase Relationship49
Notes to Table 5-559
Table 5-5. CEI/IEC 76-1:1993 Transformer Winding Phase Relationship61
Notes to Table 5-670
Transformer72
Table 5-6. Transformer Winding Phase Relationship (Australian Std. 2374, Part 4 - 1982)72
Operation79
MAIN MENU Screen (Figure 6-1)80
Figure 6-1. Main Menu Screen80
QUICK TEST SETUP Screen (Figure 6-2)82
Figure 6-2. Quick Test Setup Screen82
Quick Test Result Screens (Figure 6-3 and Figure 6-4)83
Figure 6-3. Initial Quick Test Result Screen83
Figure 6-4. Final Quick Test Result Screen84
FULL TEST SETUP 1 Screen (Figure 6-5)85
Figure 6-5. FULL TEST SETUP 1 Screen85
FULL TEST SETUP 2 Screen (Figure 6-6)87
Figure 6-6. FULL TEST SETUP 2 Screen87
FULL TEST SETUP 3 Screen (Figure 6-7)89
Figure 6-8. FULL TEST SETUP 3 Screen89
Transformer Test Result Screens (Figure 6-8 and Figure 6-9)91
Figure 6-8. Three-Phase Transformer Test Result Screen91
Figure 6-9. Phase a Test Result Screen92
Main Menu Screen When a Custom Transformer Setting Recalled (Figure 6-10)94
Figure 6-10. the Main Menu Screen after Selection of a Custom Transformer Setting94
SYSTEM SETUP Menu (Figure 6-11)95
Figure 6-11. SYSTEM SETUP Screen95
LANGUAGE Screen (Figure 6-12)96
Figure 6-12. Language Screen96
SAVED DATA Screen (Figure 6-13)97
Figure 6-13. SAVED DATA Screen97
Recall (or Save) Custom Transformer Settings (Figure 6-14)98
Figure 6-14. Recall (or Save) Custom Settings Screen98
Error Messages99
Figure 6-15A. Sample Test Report Header101
Figure 6-15B. Sample Single Phase Test Report101
Figure 6-15C. Sample Three-Phase Test Report102
TTR 300 Series Powerdb Lite User Manual103
Operating Instructions for the Multiple Quick Test Form117
Operating Instructions for the Simple 3PH TTR Form118
Operating Instructions for the 3PH TTR with TAP Changer Form119
Service121
Voltage Selection123
Troubleshooting127
Troubleshooting Guide127
Repair128
Glossary129

Megger TTR310 - Page 90

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