doble TDR900 - Page 8

Doble TDR900 User Guide
72A-2612-01 Rev. A 09/06
viii
4.4.4 Breaks per Phase.....................................................................................13
4.4.5 Capacitors and Resistors.........................................................................13
4.4.6 Independent Pole Operation....................................................................13
4.5 Breaker Example .....................................................................................................14
4.6 Things That Can Go Wrong With a Breaker...........................................................14
4.7 Why Test a Breaker? ...............................................................................................15
4.8 Main Contact Timing Tests.....................................................................................15
4.8.1 Performing an Overall Test (OCB or dead tank)....................................16
4.8.2 Performing a Sectional Test (EHV or live tank).....................................16
4.8.3 Measuring Motion...................................................................................16
4.9 First Trip Tests.........................................................................................................17
4.10 Other Tests...............................................................................................................17
Chapter 5 Breaker Timing Tests with T-Doble: Overview......................................................19
5.1 General Set Up Information ....................................................................................19
5.2 Preparing the Breaker – Off-Line Tests ..................................................................19
5.3 Preparing the Breaker – On-Line Tests...................................................................20
5.4 Preparing the Doble TDR900 Instrument and PC...................................................20
5.5 Connect Test Leads to Breaker................................................................................21
5.5.1 Overall Test (Dead Tank or OCB test) ...................................................21
5.5.2 Sectional Test (live Tank or EHV test)...................................................22
5.6 Install Motion Transducer .......................................................................................23
5.7 Perform a Test .........................................................................................................24
5.7.1 Pre-test Check List..................................................................................24
5.7.2 Running a Test........................................................................................25
5.8 Powering Down the Doble TDR900 Instrument.....................................................25
5.9 Closing the T-Doble Software.................................................................................25
Chapter 6 T-Doble Software Details..........................................................................................27
6.1 Introduction .............................................................................................................27
6.2 T-Doble Installation on a PC...................................................................................27
6.3 Running the Software..............................................................................................27
6.4 Dealing with Data: Test Plans and Test Results......................................................28
6.5 Software Organization.............................................................................................29
6.5.1 Chart Control – Zoom, Pan, Legends .....................................................29
6.5.2 Buttons....................................................................................................31
6.6 Software Main Tabs and Sub-tabs...........................................................................32