Vanguard TRM-203_403 - Manual (Page 3)

REV 1 TRM-203 AND TRM-403 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
1.3 TRM Controls and Indicators ........................................................................................... 5
2.0 PRE-TEST SETUP ................................................................................................................... 6
2.1 Operating Voltages .......................................................................................................... 6
2.2 LCD Screen Contrast Control ............................................................................................ 6
2.3 Printer Paper Control ....................................................................................................... 6
2.4 Printer Paper .................................................................................................................... 6
2.5 Replacing the Thermal Printer Paper ............................................................................... 7
3.0 OPERATING PROCEDURES ................................................................................................... 8
3.1 Configuring the LTCA Software for use with the TRM ..................................................... 8
3.2 Connecting the TRM to a PC via Bluetooth ................................................................... 10
3.3 Typical Connections to a Load Tap Changer (LTC) ......................................................... 17
3.4 Typical TRM-203/403 Cable Connections ...................................................................... 17
3.5 General Procedures ....................................................................................................... 17
3.6 Entering Test Record Header Information ..................................................................... 19
3.7 Setting the Date and Time ............................................................................................. 23
3.8 Setting the Interface Language ...................................................................................... 24
3.9 Performing a Three-Phase Resistance Test ................................................................... 25
3.10 Performing a Single-Phase Resistance Test ................................................................... 35
3.11 Performing a Load Tap Changer / Voltage Regulator Resistance Test .......................... 42
3.12 Performing a Special Resistance Test ............................................................................ 51
3.13 Performing a Dynamic LTC Test ..................................................................................... 58
3.14 Performing a Diagnostic Test ......................................................................................... 63
3.15 Demagnetizing the Transformer Core ........................................................................... 65
3.16 Working with Test Records ............................................................................................ 67
3.16.1. Saving Test Records ................................................................................................ 67
3.16.2. Printing the Contents of the Working Memory ..................................................... 69
3.16.3. Printing a Test Record Directory ............................................................................ 70
3.16.4. Restoring a Test Record .......................................................................................... 73
3.16.5. Copying Test Records to a USB Flash Drive ............................................................ 77
3.16.6. Erasing Test Records ............................................................................................... 80
3.17 Converting Resistance Measurements .......................................................................... 85