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Megger AVTMTTR100 Instruction Manual

Single-phase handheld ttr transformer turn ratio test set

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100

Table of Contents

Table of Contents
Introduction
Receiving Instructions
General Information
Safety
Specifications
Electrical
Environmental Conditions
Physical Data
Description
Principle of Operation
Controls, Indicators, and Connectors (Figure 4-1)
Figure 4-1 Single-Phase TTR Display & Control Panel
Figure 4-2. Top Side Connector Panel
Setup and Connections
General Instructions
Transformers
Single-Phase, Two-Winding Transformers
Distribution Transformers with Two Secondary Windings
Figure 5-1. Setup for Testing Single-Phase Transformer
Figure 5-2. Setup for Testing Single-Phase Autotransformer
Figure 5-3. Setup for Testing Single-Phase, Type a (Straight Design) Step Voltage Regulator
Figure 5-4. Setup for Testing Single-Phase, Type B (Inverted Design) Step Voltage Regulator
Current Transformers (Cts)
Figure 5-5. Setup for Testing Unmounted Current Transformer
Figure 5-6. Setup for Testing Taps on Multiple Tap CT
Figure 5-7. Setup for Testing BCT Mounted on Single-Phase Two-Winding Transformer
T-Type Transformers
Table 5-1. ANSI Transformer Winding Phase Relationship
Connections and Vector Voltage Diagrams
Table 5-2. ANSI Transformer Winding Phase Relationship
Table 5-3. CEI/IEC 76-1:2011 Transformer Winding Phase Relationship
Table 5-4. Transformer Winding Phase Relationship (Australian Std. 2374, Part 4 - 2003)
Operation
General Operating Procedure
Description of Menus and Test Screens
Figure 6-1. Opening Display Screen
Figure 6-2. Main Menu Screen
Figure 6-3. Transformer Configuration Screen
Figure 6-4. Single Phase Transformer Configuration Screen
Figure 6-4A. Additional Single Phase Transformer Configuration Screen
Figure 6-5. Three Phase Transformer Configuration Screen
Figure 6-5A. Three Phase Transformer Configuration Screen
Figure 6-6. T - Type Transformer Configuration Screen
Quick Test Single Phase Transformer
Figure 6-7. Transformer Rating Screen
Quick Test Three Phase Transformer
Test T-Type Transformers
Full Test Single Phase Transformer
Figure 6-8. TEST SETUP Screen
Full Test Single Phase Tapped Transformer
Full Test Cts
Full Test Regulator
Test Result Symbols
Custom Configurations
Figure 6-9. Custom Configs. Screen
System Setup
Figure 6-10. SYSTEM SETUP Screen 1
Figure 6-11. SYSTEM SETUP Screen 2
Figure 6-12. SAVED READINGS Screen
Error Messages
Table 6-1. Self-Test Error Messages
Table 6-2. Test Error Messages
Table 6-3. Test Result Error Messages
Table 6-4. Miscellaneous Messages
Use with the Optional Printer
Figure 6-13A. Sample Test Report Header
Figure 6-13B. Sample Single Phase Test Report
Using Comlink Program
Figure 6-14. Report Printout
Service
Maintenance
Calibration
TTR100 Test Set Functional Test
Battery Maintenance
Troubleshooting
Table 7-1. Troubleshooting Guide
Repair
Ordering Information and Spare Parts List
Warranty

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Instruction Manual AVTMTTR100

Transformer Turn Ratio Test Set

Catalog Nos. TTR100 and TTR100-1

Read the entire manual before operating.

Antes de operar este producto lea este manual enteramente.

for

Single-Phase Handheld TTR

High-Voltage Equipment

Aparato de Alto Voltaje

AVTMTTR100-ENG

Rev. 6

Nov 2015

2621 Van Buren Ave

Norristown, PA 19403-2329

610-676-8500

www.megger.com

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