AVTMTTR20 Rev 4 Dec 2015
i
TABLE OF CONTENTS
1
INTRODUCTION ......................................................................................................................... 1
About the TTR20 (TTR20-1) ...................................................................................... 1
Electrical Theory and Practice ................................................................................... 2
Applications for the TTR20 ........................................................................................ 4
Upon Receipt of the TTR20 ....................................................................................... 5
Safety First ................................................................................................................. 5
How to Use This Manual ............................................................................................ 5
2 SAFETY ................................................................................................................................... 7
Overview .................................................................................................................... 7
Safety Requirements ................................................................................................. 7
Cautions and Warnings .............................................................................................. 8
3 CONTROLS & CONNECTORS .............................................................................................. 9
Overview .................................................................................................................... 9
Connectors .............................................................................................................. 10
Connectors .............................................................................................................. 10
4 SETUP, CONNECTIONS AND OPERATION .................................................................................. 11
General Instructions ................................................................................................. 11
Transformers ........................................................................................................... 11
Single-Phase, Two-Winding Transformers .............................................................. 12
Distribution Transformers with Two Secondary Windings ........................................ 12
Three-Phase, Two-Winding Transformers ............................................................... 16
Three-Phase, Three-Winding Transformers ............................................................ 16
Current Transformers (CTs) ..................................................................................... 16
General Operating Procedure .................................................................................. 20
Description of Menus and Test Screens .................................................................. 20
Use with the Optional Printer ................................................................................... 23
HyperTerminal Configuration ................................................................................... 25
5 MAINTENANCE AND TROUBLESHOOTING .................................................................................... 27
Maintenance ............................................................................................................ 27
Calibration Check ..................................................................................................... 27
To Next Page
Loading...
