Vanguard ATRT-03_03B User Manual
Page 4
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