Vanguard ATRT-03_03B S2 - Manual (Page 3)

REV 2 ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 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 S2 Technical Specifications ........................................................................ 4
1.2.2. ATRT-03A S2 Technical Specifications ...................................................................... 5
1.2.3. ATRT-03B S2 Technical Specifications ...................................................................... 6
1.3 Controls and Indicators .................................................................................................... 7
2.0 PRE-TEST SETUP ................................................................................................................. 13
2.1 Operating Voltages ........................................................................................................ 13
2.2 LCD Screen Contrast Control .......................................................................................... 13
2.3 Printer Paper Control ..................................................................................................... 13
2.4 Printer Paper .................................................................................................................. 13
2.5 Replacing the Load Tap Changer Controller Fuses ........................................................ 14
3.0 OPERATING PROCEDURES ................................................................................................. 16
3.1 Connection Diagrams ..................................................................................................... 16
3.1.1. Typical Front Panel Connections .................................................................................... 16
3.1.2. Typical Connections to a Load Tap Changer (LTC) ......................................................... 17
3.1.3. Typical Connections to a Delta-Wye Transformer ......................................................... 18
3.2 Setting the Test Voltage ................................................................................................. 26
3.3 Setting the Date and Time ............................................................................................. 28
3.4 Performing Tests ............................................................................................................ 29
3.4.1. Entering Test Record Header Information ............................................................. 29
3.4.2. Testing a Single Phase Transformer ....................................................................... 33
3.4.3. Testing a Dyn1 (12,000 V/208 V) Transformer ....................................................... 42
3.4.4. Testing a Three Phase Transformer Using Auto Detect Mode .............................. 52
3.5 Working With Test Records ........................................................................................... 59
3.5.1. Saving Test Results to a Test Record ...................................................................... 59
3.5.2. Restoring a Test Record From Flash EEPROM ........................................................ 62
3.5.3. Restoring a Test Record From a USB Flash Drive ................................................... 67
3.5.4. Copying Test Records to a USB Flash Drive ............................................................ 71
3.5.5. Printing or Displaying a Test Record ...................................................................... 74
3.5.6. Printing a Test Record Directory (ATRT-03 S2 and ATRT-03A S2 Only) .................. 77
3.5.7. Viewing a Test Record Directory on the LCD Screen (ATRT-03B S2 Only) ............. 80
3.5.8. Erasing Test Records from the Flash EEPROM ....................................................... 82
3.5.9. Erasing Test Records from a USB Flash Drive ......................................................... 86
3.6 Working With Test Plans ................................................................................................ 89
3.6.1. Performing a Test Using a Transformer Test Plan .................................................. 89
3.6.2. Unloading a Test Plan From the Working Memory ................................................ 96
3.6.3. Printing a Test Plan Directory (ATRT-03 S2 and ATRT-03A S2 Only) ...................... 97
3.6.4. Viewing a Test Plan Directory on the LCD Screen (ATRT-03B S2 Only) .................. 99
3.6.5. Printing a Test Plan (ATRT-03 S2 and ATRT-03A S2 Only) .................................... 101