Megger TTR320 Series, Инструкция по эксплуатации

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AVTMTTR320-EN Rev A Oct 2008
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List of Figures
TTR320 Transformer Turn Ratio test set............................................................................................................iii
Figure 1-1. Top Panel Controls ..............................................................................................................................3
Figure 1-2. User Interface Panel............................................................................................................................4
Figure 1-3. Communications ports .......................................................................................................................5
Figure 1-4. HOME Action Icons..........................................................................................................................5
Figure 1-5. Utility Icons..........................................................................................................................................6
Figure 4-1. Setup for Testing Single-Phase Transformer................................................................................12
Figure 4-2. Setup for Testing Single-Phase Autotransformer........................................................................12
Figure 4-3. Setup for Testing Single-Phase, Type A (Straight Design) Step Voltage Regulator ...............13
Figure 4-4. Setup for Testing Single-Phase, Type B (Inverted Design) Step Voltage Regulator..............14
Figure 4-5. Setup for Testing Unmounted Current Transformer .................................................................17
Figure 4-6. Setup for Testing Taps on Multiple Tap CT ................................................................................18
Figure 4-7. Setup for Testing BCT Mounted on Single-Phase Two-Winding Transformer .....................19
Figure 4-8. Setup for Testing BCT Mounted on Delta Winding -Three-Phase Power Transformer ......20
Figure 4-9. Setup for Testing BCT Mounted on Wye Winding of a Three-Phase Transformer..............21
Figure 5-1 Cleared Test screen..........................................................................................................................24
Figure 5-2 File Manager -Recall Test................................................................................................................25
Figure 5-3. File Manager –SAVE Test screen..................................................................................................26
Figure 5-4 Tap Structure - Define ....................................................................................................................26
Figure 5-5 Global Settings – Preferences screen............................................................................................27
List of Tables
Table 4-1.
Test Lead Markings for Single-Phase Transformers...................................................................13
Table 4-2. Test Lead Markings for Three-Phase Transformers...................................................................15
Table 4-3. T-type Transformer Winding Phase Relationship.......................................................................22
Table 6-1. Troubleshooting Guide...................................................................................................................34
Table 7-1. Replacement Parts List....................................................................................................................37