doble TDR9000 - Page 14

x 72A-1898 Rev. A 11/01
Monday, November 26, 2001 1:09 pm
Figure 4.64 Signal Viewing Properties........................................................................... 4-92
Figure 4.65 Signal Viewing Properties Advanced Window............................................ 4-94
Figure 4.66 Save TDR9000
™
Test Result....................................................................... 4-95
Figure 4.67 Specify File Type Window.......................................................................... 4-96
Figure 4.68 Save File..................................................................................................... 4-97
Figure 4.69 Saving a Test Plan ...................................................................................... 4-97
Figure 4.70 Specify File Type Window.......................................................................... 4-98
Figure 4.71 Save File..................................................................................................... 4-98
Figure 4.72 Final Save Warning I .................................................................................. 4-99
Figure 4.73 Final Save Warning II ................................................................................. 4-99
Figure A.1 Arc Principles............................................................................................... A-1
Figure A.2 Air-Magnetic Breaker Operation................................................................... A-3
Figure A.3 Air-Magnetic Breaker Operation (Continued) ............................................... A-4
Figure A.4 Air-Blast Circuit Breaker Operation .............................................................. A-5
Figure A.5 Air-Blast Circuit Breakers Operation (Continued).......................................... A-6
Figure A.6 Air Blast Circuit Breaker – General Operation
(Courtesy of GEC Alsthom T&D Inc.) A-7
Figure A.7 Circuit Breaker Interruption in Oil ................................................................ A-8
Figure A.8 Size Comparison Westinghouse 10-cm-Diameter
Vacuum Interrupter/Arc Chute of a Westinghouse Air Circuit Breaker A-9
Figure A.9 Vacuum Interrupter Schematic ................................................................... A-10
Figure A.10 60 Hz Dielectric Strength of SF6 vs. N2 ..................................................... A-11
Figure A.11 Double-Pressure SF6 Circuit Breaker Operation ......................................... A-12
Figure A.12 Self-Extinguishing SF6 Circuit Breaker Operation ....................................... A-13
Figure A.13 Puffer Type SF6 Circuit Breaker Operation ................................................. A-14
Figure A.14 Dead-Tank Circuit Breaker Schematic ........................................................ A-15
Figure A.15 Live-Tank Circuit Breaker Schematic .......................................................... A-15
Figure A.16 Transient Recovery Voltage Scheme........................................................... A-16
Figure A.17 Transient Recovery Voltage: Insertion Resistor Operation........................... A-17
Figure A.18 Transient Recovery Voltage: Shunt Resistor Operation ............................... A-18
Figure A.19 Transient Recovery Voltage: Open-Gap Grading Capacitor Operation ....... A-18
Figure A.20 Circuit Switcher Operations ....................................................................... A-20
Figure A.21 Circuit Breaker with Isolating Contacts ....................................................... A-21
Figure A.22 Contact Monitoring .................................................................................... A-22
Figure A.23 Voltage Comparator Output ....................................................................... A-23
Figure A.24 Effect of Contact Assembly Status on Output Voltage ................................. A-23
Figure A.25 Capacitance-to-Ground for a Circuit Breaker.............................................. A-24
Figure A.26 Capacitance-to-Ground: Contact #2 Closed, Contact #1 Open ................. A-25