Vanguard Instruments Company ATRT-03, User Manual

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REV 7 ATRT-03, ATRT-03A, AND ATRT-03B USER’S MANUAL
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TABLE OF CONTENTS
CONVENTIONS USED IN THIS DOCUMENT ..................................................................................... 1
1.0 INTRODUCTION .................................................................................................................... 2
1.1 General Description and Features ................................................................................... 2
1.2 Technical Specifications ................................................................................................... 4
1.2.1. ATRT-03 Technical Specifications ............................................................................. 4
1.2.2. ATRT-03A Technical Specifications ........................................................................... 5
1.2.3. ATRT-03B Technical Specifications ........................................................................... 6
1.3 Controls and Indicators .................................................................................................... 7
2.0 PRE-TEST SETUP ................................................................................................................. 13
2.1 ATRT-03 and ATRT-03B Operating Voltages .................................................................. 13
2.2 ATRT-03A Operating Voltages ....................................................................................... 13
2.3 LCD Screen Contrast Control .......................................................................................... 13
2.4 Printer Paper Control (ATRT-03 and ATRT-03A Only) .................................................... 14
2.5 Printer Paper (ATRT-03 and ATRT-03A Only) ................................................................. 14
3.0 OPERATING PROCEDURES ................................................................................................. 15
3.1 Connection Diagrams ..................................................................................................... 15
3.1.1. Typical Front Panel Connections .................................................................................... 15
3.1.2. Typical Connections to a Delta-Wye Transformer ......................................................... 16
3.2 Setting the Test Voltage ................................................................................................. 24
3.3 Setting the Date and Time ............................................................................................. 26
3.4 Enabling the Computer Interface .................................................................................. 27
3.5 Using the Turns Ratio Calculator ................................................................................... 28
3.6 Performing Tests ............................................................................................................ 30
3.6.1. Entering Test Record Header Information ............................................................. 30
3.6.2. Testing a Single Phase Transformer ....................................................................... 33
3.6.3. Performing a Three-Phase Test (Y-dT Example) ..................................................... 40
3.6.4. Performing a Special Transformer Test .................................................................. 47
3.6.5. Performing a Quick Test ......................................................................................... 53
3.6.6. Testing a Three Phase Transformer Using Auto Detect Mode .............................. 56
3.7.1. Restoring a Test Record From Flash EEPROM ........................................................ 59
3.7.2. Reviewing a Test Record ........................................................................................ 62
3.7.3. Printing or Viewing the Test Record Directory ....................................................... 64
3.7.4. Erasing Test Records from the Flash EEPROM ....................................................... 67
3.8 Working With Test Plans ................................................................................................ 69
3.8.1. Performing a Test Using a Transformer Test Plan .................................................. 69
3.8.2. Unloading a Test Plan From the Working Memory ................................................ 75
3.8.3. Printing or Viewing the Test Plan Directory ........................................................... 76
3.8.4. Printing a Test Plan (ATRT-03 and ATRT-03A Only) ................................................ 78
4.0 DIAGNOSTICS, VERIFICATION, AND TROUBLESHOOTING ................................................. 81
4.1 Performing an H and X Cable Diagnostic Test ............................................................... 81
4.2 Performing a Verification Test ....................................................................................... 82