Vanguard ATRT-03_03B S2 User Manual download pdf (Page 3)

REV 2 ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 USER’S MANUAL

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

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Vanguard ATRT-03_03B S2 User Manual Page 3

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