TDR9000
™
Circuit Breaker Test System User’s Guide
72A-1898 Rev. A 11/01 iii
Monday, November 26, 2001 1:09 pm
Testing Personnel Required .................................................................................................. 4-7
Personnel Safety .............................................................................................................4-8
Safety Practices – General Rules........................................................................................... 4-9
Grounding...................................................................................................................... 4-9
Site Preparation ...........................................................................................................4-10
Circuit Breaker Preparation ................................................................................................ 4-10
Rotary/Linear Transducer Installation..................................................................................4-11
Dead Tank Circuit Breaker............................................................................................ 4-11
Live Tank Circuit Breaker.............................................................................................. 4-14
Linear Transducer and Rotary Attachments...................................................................4-16
Configuring the TDR9000
™
................................................................................................4-25
Configuring the TDR9000
™
: General Procedure...........................................................4-25
Connecting to the Laptop, Printer and Powering Up .....................................................4-27
Connecting the TDR9000
™
Physical Front Panel.......................................................... 4-30
Configuring Test Plans ..................................................................................................4-39
Running Tests ..............................................................................................................4-69
Removing Safety Grounds ..................................................................................................4-69
Using the Pretest Checklist ................................................................................................. 4-70
Running the Continuity Test ............................................................................................... 4-71
Running Tests..................................................................................................................... 4-75
Running a First Trip/Close Test: Special Considerations ................................................4-75
Working with Test Results ............................................................................................4-81
Saving Test Results/Test Plans ....................................................................................... 4-95
Printing Test Results.................................................................................................... 4-100
Disconnecting After the Test.......................................................................................4-100
Appendix A. TRXField
™
Software and Circuit Breaker Testing Theory ......... A-1
Basic Circuit Breaker Interruption Principles.........................................................................A-1
Interruption in Air...........................................................................................................A-2
Interruption in Oil ..........................................................................................................A-8
Interruption in Vacuum...................................................................................................A-9
Interruption in SF
6
........................................................................................................A-11
Live Tank vs. Dead Tank...............................................................................................A-15
Transient Recovery Voltage ..........................................................................................A-16
Gang Operation vs. Independent Pole Operation .........................................................A-19
Circuit Switchers and High-Current Generator Breakers with Isolating Contacts ...........A-20