Doble TDR900 User Guide
72A-2612-01 Rev. A 09/06
vii
Table of Contents
Chapter 1 Introduction to the TDR900.................................................................................1
1.1 Aims of this Guide.....................................................................................................1
1.2 Timing Tests with the TDR900.................................................................................1
1.3 Terminology ..............................................................................................................1
1.4 Safety First.................................................................................................................2
Chapter 2 Parts List – Hardware and Software.........................................................................3
2.1 Instrument Overview.................................................................................................3
2.2 Front Panel Connections............................................................................................5
2.3 Basic Cables and Accessories....................................................................................5
2.3.1 Safety/Chassis Ground..............................................................................6
2.3.2 Safety Switch + Flag.................................................................................6
2.3.3 Fuses .........................................................................................................6
2.4 Software.....................................................................................................................6
2.5 Overall Test Cable Option (OCB – Dead tank).........................................................6
2.6 Sectional Test Cable Option (EHV – Live tank).......................................................7
2.7 Motion Option ...........................................................................................................7
2.8 Analog/Event Cable Option.......................................................................................8
Chapter 3 Safety and Personnel ...................................................................................................9
3.1 Safety.........................................................................................................................9
3.2 General Rules ............................................................................................................9
3.3 Grounding..................................................................................................................9
3.4 Personnel Safety......................................................................................................10
Chapter 4 ......................................................................................................................................11
Breaker Operation and Testing Theory ....................................................................................11
4.1 The Role of a Breaker..............................................................................................11
4.2 Breaker Characteristics............................................................................................11
4.3 How a Breaker Operates..........................................................................................12
4.4 Features of a Breaker...............................................................................................12
4.4.1 Tank ........................................................................................................12
4.4.2 Source of Energy.....................................................................................12
4.4.3 Arc Quench and Insulation .....................................................................13