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TDR9000

™

Circuit Breaker Test System User’s Guide

72A-1898 Rev. A 11/01 1-23

Monday, November 26, 2001 1:09 pm

OTE

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Table of Contents5
Preface23
Getting Started27
Site Preparation27
Step 1: Circuit Breaker Preparation27
Table 1.1 OCB Dead Tank Connections29
Table 1.2 EHV Dead Tank Connections29
Figure 1.1 Step 1: Circuit Breaker Control Cabinet Preparation30
Step 2: TDR9000 ™ Connections32
Figure 1.2 Step 2: Physical Front Panel for EHV Test33
Figure 1.3 Step 2: Physical Front Panel for Ocb/Motion Test33
Figure 1.4 Step 2: Physical Front Panel for Trigger in Test34
Figure 1.5 Step 2: Physical Front Panel for Auxiliary Input Trigger Test34
Step 3: Circuit Breaker Connections37
Figure 1.6 Step 3: Dead Tank Test Setup38
Figure 1.7 Step 3: Live Tank Test Setup38
Figure 1.8 Installation with Circuit Breaker Contact Monitor Cabling39
Figure 1.9 Step 3: Rotary Motion (Transducer with Rotary Adapter)40
Figure 1.10 Step 3: Linear Motion (Transducer with Rod)40
Step 4: Laptop and TDR9000 ™ Test Plan Configuration41
Figure 1.11 Step 4: TDR9000 ™ and PC Wiring42
Figure 1.12 Step 4: Trxfield ™ Test Plan (Partial)43
Figure 1.13 Step 4: Virtual Front Panel44
Running the Test45
Step 1: Removing Safety Grounds45
Step 2A: Running the Self-Diagnostic Test (Optional)45
Figure 1.14 Breaker with Safety Grounds Removed45
Step 2B: Running the Continuity Test (Recommended)46
Figure 1.15 Continuity Test46
Step 3: Performing the Pretest Checklist47
Step 4: Running the Test47
Figure 1.16 Continuity Test Results47
Figure 1.17 Run Test47
Step 5: Saving Test Results48
Figure 1.18 Saving Test Results48
Introducing the TDR9000 ™ Circuit Breaker Test System51
Figure 2.1 TDR9000 ™ Circuit Breaker Test System51
Figure 2.2 TDR9000 ™ System Topology53
TRX ™ and Trxfield ™ Software54
Figure 2.3 TDR9000 ™ System Information Flow Diagram54
Modules55
Ocb/Motion56
Figure 2.4 Ocb/Motion Module Configurations56
Ehv57
Event57
Figure 2.5 EHV Module Configuration57
System58
Tdr900058
Figure 2.6 Event Module Configurations58
Figure 2.7 System Module Configurations59
Table61
Table 2.1 Physical Front Panel Configurations61
Tests Supported62
Trip (O)63
Figure 2.8 Trip Command Pulse63
Table 2.2 Circuit Breaker Test Types63
Close (C)64
Figure 2.9 Close Command Pulse64
Reclose (O-C)65
Figure 2.10 Reclose Command Pulse65
Trip Free (C-O)66
Figure 2.11 Trip Free Command Pulse66
O-C-O67
Figure 2.12 O-C-O Command Pulse67
Continuity68
Capacitance68
Slow Close68
Self-Diagnostics69
First Trip/Close Tests69
Physical and Virtual Front Panel Characteristics71
Figure 3.1 TDR9000 ™ Physical Front Panel Connections72
Table 3.1 TDR9000 ™ Physical Front Panel Connections/Switches73
Figure 3.2 TDR9000 ™ Virtual Front Panel74
Basic Virtual Front Panel Functionality75
Tab Navigation75
TDR9000 Physical and Virtual Front Panel Numbering75
Figure 3.3 Navigating Tabs I75
Figure 3.5 Module Level Configuration77
Figure 3.6 Connector Level Configuration78
Figure 3.7 Sample Connector79
Figure 3.8 Transmit/Receive Indicators81
Figure 3.9 TDR9000 ™ Front Panel Locations82
Figure 3.10 TDR9000 ™ Backplane Slots - Top View83
Figure 3.11 Virtual Front Panel EHV Module Numbering84
Figure 3.12 Virtual Front Panel Event Module Numbering85
Figure 3.13 Example Module Mapping86
Ocb/Motion87
Figure 3.14 Ocb/Motion Module Mapping88
Ehv89
Figure 3.15 EHV Module Mapping90
Event91
System92
Trip/Close Module93
Figure 3.16 Trip/Close Module Application94
Figure 3.17 System Module Mapping - Trip/Close95
Triggers96
Setup and Operation99
First Trip/Close Tests99
Safety Considerations: First Trip/Close Tests100
First Trip/Close Virtual Front Panel Configuration100
Configuring Analog/Auxiliary Channels for First Trip/Close Tests102
Connecting the TDR9000102
Table 4.1 TDR9000 ™ Using a Minimum Set of Channels102
Table 4.2 TDR9000 ™ Using Recommended Set of Channels103
Connecting the Circuit Breaker104
Safety105
Instrument Precautions105
Testing Personnel Required105
Personnel Safety106
Safety Practices - General Rules107
Grounding107
Site Preparation108
Circuit Breaker Preparation108
Rotary/Linear Transducer Installation109
Dead Tank Circuit Breaker109
Figure 4.1 Rotary/Linear Transducer109
Figure 4.2 Cable Interconnection Diagram - Dead Tank111
Live Tank Circuit Breaker112
Table 4.3 Circuit Breaker Adapters112
Figure 4.3 Cable Interconnection Diagram - Live Tank113
Linear Transducer and Rotary Attachments114
Figure 4.5 Chuck Holder Plate Configuration115
Figure 4.6 Chuck Holder Plate Mounting to Tighten Rotary Chuck116
Figure 4.7 Chuck Holder Plate Mounted in ROTARY Position117
Figure 4.8 Chuck Holder Plate Mounted in LINEAR Position119
Figure 4.9 TR3160 ™ Transducer Components120
Figure 4.10 Rotary Adapter121
Figure 4.11 Rotary Adapter Mounted on Transducer122
Configuring the TDR9000123
Configuring the TDR9000 ™ : General Procedure123
Connecting to the Laptop, Printer and Powering up125
Figure 4.12 Printer Cable Installation126
Figure 4.13 TDR9000 ™ Physical Front Panel Connections128
Figure 4.14 Probe Zero Indicator133
Connecting the TDR9000 ™ Physical Front Panel136
Configuring Test Plans137
Figure 4.15 Trxfield ™ Test Plan Choice Window138
Figure 4.17 Power-Up Diagnostics140
Figure 4.18 Channel Activation Check140
Figure 4.19 Trxfield Library Test Plan141
Figure 4.20 Example Virtual Front Panel142
Figure 4.21 OCB Contacts143
Figure 4.22 Motion Channels - Collective144
Figure 4.23 Motion Connector - Individual146
Figure 4.24 EHV - Collective147
Figure 4.25 EHV Connector - Individual149
Figure 4.26 Analog Channels - Collective149
Figure 4.27 Analog Channel Connector - Individual150
Figure 4.28 Auxiliary Channels - Collective151
Figure 4.29 Auxiliary Contact Connector - Individual151
Figure 4.30 Com Port152
Figure 4.31 Trip/Close with Trip/Close Current Option153
Figure 4.32 T/C Current Selection153
Figure 4.33 Test Selection Picklist154
Figure 4.34 Run Test and Parameters Buttons155
Figure 4.35 Virtual Front Panel Trigger Connectors156
Figure 4.36 Test Parameters Error157
Figure 4.37 Trip Parameters157
Table 4.4 Close Test Timing Functions159
Table 4.5 Command Parameters160
Table 4.6 Recording Lengths and Sampling Rate161
Figure 4.38 Trigger Input Tab162
Table 4.7 Trigger Input Timing Events163
Figure 4.39 Trigger Indicator164
Figure 4.40 Trigger in Activated164
Figure 4.41 Trigger Output Tab165
Figure 4.42 Trigger Output Tab: Trigger in Set to Aux Contact165
Running Tests167
Removing Safety Grounds167
Using the Pretest Checklist168
Table 4.8 Pretest Checklist168
Running the Continuity Test169
Figure 4.43 Continuity Test Selection169
Figure 4.44 Run Continuity Test170
Figure 4.45 Test Abort Message - Switch Release171
Figure 4.46 Test Abort Message - Switch Not Operated171
Figure 4.47 Continuity Test Execution172
Figure 4.48 Continuity Test Results172
Running Tests173
Running a First Trip/Close Test: Special Considerations173
Figure 4.49 Enable Safety Switch174
Figure 4.50 Enter Breaker Information174
Figure 4.51 Loading Test175
Figure 4.52 Capacitance Testing Error176
Figure 4.53 Data Collection Status177
Figure 4.54 Test Abort Message - Switch Release177
Figure 4.55 Test Abort Message - Switch Not Operated178
Figure 4.56 Graphics Tab with Results178
Working with Test Results179
Figure 4.57 Navigation Tabs after a Test179
Figure 4.58 Graphical Display of Test Results180
Figure 4.59 Tabulation Tab (Partial View)181
Figure 4.60 Properties Window182
Figure 4.61 Signal Information Window182
Figure 4.62 Overlay Graphics File Selection185
Figure 4.63 Test Results with an Overlay186
Table 4.9 Keyboard Selections for Precision Cursor Movement189
Figure 4.64 Signal Viewing Properties190
Table 4.10 Phase Encoded Signal Colors191
Figure 4.65 Signal Viewing Properties Advanced Window192
Saving Test Results/Test Plans193
Figure 4.66 Save TDR9000 ™ Test Result193
Figure 4.67 Specify File Type Window194
Figure 4.68 Save File195
Figure 4.69 Saving a Test Plan195
Figure 4.70 Specify File Type Window196
Figure 4.71 Save File196
Figure 4.72 Final Save Warning I197
Printing Test Results198
Disconnecting after the Test198
Appendix A. Trxfield201
Basic Circuit Breaker Interruption Principles201
Figure A.1 Arc Principles201
Interruption in Air202
Figure A.2 Air-Magnetic Breaker Operation203
Figure A.3 Air-Magnetic Breaker Operation (Continued204
Figure A.4 Air-Blast Circuit Breaker Operation205
Figure A.5 Air-Blast Circuit Breakers Operation (Continued206
Figure A.6 Air Blast Circuit Breaker - General Operation207
Interruption in Oil208
Figure A.7 Circuit Breaker Interruption in Oil208
Interruption in Vacuum209
Figure A.8 Size Comparison Westinghouse 10-CM-Diameter209
Figure A.9 Vacuum Interrupter Schematic210
Interruption in SF211
Figure A.13 Puffer Type SF6 Circuit Breaker Operation214
Live Tank Vs. Dead Tank215
Figure A.14 Dead-Tank Circuit Breaker Schematic215
Figure A.15 Live-Tank Circuit Breaker Schematic215
Transient Recovery Voltage216
Figure A.16 Transient Recovery Voltage Scheme216
Figure A.17 Transient Recovery Voltage: Insertion Resistor Operation217
Figure A.18 Transient Recovery Voltage: Shunt Resistor Operation218
Figure A.19 Transient Recovery Voltage: Open-Gap Grading Capacitor Operation218
Gang Operation Vs. Independent Pole Operation219
Circuit Switchers and High-Current Generator Breakers with Isolating Contacts220
Figure A.20 Circuit Switcher Operations220
Figure A.21 Circuit Breaker with Isolating Contacts221
Understanding Contact Measurement222
Figure A.22 Contact Monitoring222
Figure A.23 Voltage Comparator Output223
Figure A.24 Effect of Contact Assembly Status on Output Voltage223
Figure A.25 Capacitance-To-Ground for a Circuit Breaker224
Figure 4.16 Open225
Figure A.26 Capacitance-To-Ground: Contact #2 Closed, Contact #1 Open225
Figure A.27 Capacitance-To-Ground: Contact #2 Closed, Contact #1 Open (Simplified225
Contact Penetration, Insertion, and Wipe227
Figure A.28 Contact Penetration Value Preparation227
Figure A.29 Contact Penetration Measurement227
TDR9000 ™ Trxfield ™ Software and Test Plan Dynamics228
Figure A.30 Contact Penetration Measurement Endpoints228
Figure A.31 Trxfield ™ Menu Bar229
TRX ™ /Trxfield ™ and the Circuit Breaker Test Plan230
Figure A.32 TRX ™ Options231
Figure A.33 Right-Click Menu: Test Plan232
Figure A.34 Right-Click Menu: Test Result232
Test Plan Items233
Figure A.35 Nameplate Parameters233
Figure A.36 Command Parameters234
Table A.1 Delay Command Parameters235
Figure A.37 Close Parameters238
Figure A.38 Close Time238
Figure A.39 Set Magnitude of Close Current239
Figure A.40 Close Timing from Close Current Measurement240
Figure A.41 Set Magnitude of Analog Measurement240
Figure A.42 Close Timing from Current Measurement241
Figure A.43 Close Timing from Voltage Measurement242
Figure A.44 Set Contact Channel242
Figure A.45 Transition of Contact243
Figure A.46 Trip Free Standing243
Figure A.47 Trip-Free Standing Operation244
Figure A.48 Trip-Free Delay244
Figure A.49 Trip-Free Delay Operation244
Figure A.50 Trip-Free Contact 1 Make245
Figure A.51 Trip-Free Contact 1 Make Operation245
Figure A.52 Reclose Standing246
Figure A.53 Reclose Standing Operation246
Figure A.54 Reclose Delay246
Figure A.55 Reclose Delay Operation247
Figure A.56 O-C-O Standing247
Figure A.57 O-C-O Delay Operation248
Figure A.58 Reclose Trip Delay248
Figure A.59 Reclose Trip Delay Operation249
Figure A.60 O-C-O Contact 1 Make249
Figure A.61 O-C-O Contact 1 Make Operation250
Figure A.62 O-C-O Setup Error250
Figure A.63 AUX Contact Trigger Parameters251
Figure A.64 TDR9000 ™ System Trigger in Parameters252
Figure A.65 Trigger Output Parameters253
Table A.2 Recording Lengths and Sampling Rate255
Figure A.66 Motion Channel Parameters256
Figure A.67 Linear Motion Measured in English or Metric257
Figure A.68 Rotary Motion Measured in Degrees257
Figure A.69 Transfer Function258
Figure A.70 Transfer Function Resolution259
Figure A.71 Rotary-To-Linear Transfer Function259
Figure A.72 Transducer Wheel260
Figure A.73 Rotary-To-Linear Transfer Function261
Figure A.74 Dead Tank/Ocb - Parameters262
Figure A.75 Breaker Performance Report Header263
Table A.3 Voltages Used When Testing the Main Contacts263
Figure A.76 Live Tank/Ehv - Parameters264
Figure A.77 Breaker Performance Report Header265
Table A.4 Voltages Used When Testing Main Contacts265
Figure A.78 Capacitance Channel Activation266
Figure A.79 Auxiliary Contact Channel - Parameters and Specifications267
Figure A.80 Analog Channel - Parameters and Specifications267
Table A.5 Probe/Shunt Current Selections268
Figure A.81 Current Monitoring Trip Operation269
Figure A.82 Main Contact Timing: - Open Parameters and Specifications270
Figure A.83 Main Contact Timing - Open Breaker271
Figure A.84 Main Contact Timing - Close Breaker272
Figure A.85 Main Contact Timing - Reclose273
Figure A.86 Trip-Free Dwell Time274
Figure A.87 Reclose Dead Time274
Figure A.88 Resistor Contact Timing - Parameters and Specifications275
Figure A.89 Opening Time - Resistor Switch275
Figure A.90 Resistor Switch - Opening276
Figure A.91 Closing Time - Resistor Switches277
Figure A.92 Resistor Switch - Closed278
Figure A.93 Resistor Tabulation Qualifier Operation - Open Test280
Figure A.94 Resistor Tabulation Qualifier Operation - Close Test281
Figure A.95 Travel - Parameters and Specifications282
Figure A.96 Contact Wipe Measurement283
Figure A.97 Total Travel and Contact Wipe Operation284
Figure A.98 Overtravel/Rebound Open285
Figure A.99 Overtravel/Rebound Closed285
Figure A.100 Average Velocity - Parameters and Specifications286
Figure A.101 Contact Open Distance - Distance287
Figure A.102 Contact Open Distance - Time287
Figure A.103 Contact Open Time - Time288
Figure A.104 Contact Open - Time Oil Circuit Breaker288
Figure A.105 Contact Open - Time EHV Breaker289
Figure A.106 Contact Open - Distance Oil Circuit Breaker290
Figure A.107 Contact Open - Distance EHV Circuit Breaker290
Figure A.109 Contact Close Distance - Distance292
Figure A.110 Contact Closed Distance - Time292
Figure A.111 Contact Closed Time - Time293
Figure A.112 Contact Closed Time - Contact Close Circuit Breaker293
Figure A.113 Contact Closed Time - Contact Close EHV Circuit Breaker294
Figure A.114 Contact Closed Time - Contact Close Oil Circuit Breaker295
Figure A.115 Contact Closed Time - Contact Close EHV Circuit Breaker296
Interpreting Test Results297
Figure A.116 Zone 2 Closed297
Trip Test Tabulation298
Figure A.117 Live Tank Breaker Report Header298
Figure A.118 Mechanical Motion Channels 1-3 Trip Operation Section (Continued299
Figure A.119 Mechanical Motion Channels 1-3 Trip Operation Section300
Figure A.120 Motion Characteristics for Main Contacts301
Figure A.121 Motion Characteristics for Main Contacts (Continued301
Figure A.122 Main Contact Travel: Closed to Part302
Figure A.123 Main Contact Average Velocity303
Figure A.124 Resistor Switches Opening Time304
Figure A.125 Resistor Switches Opening Time (Continued305
Figure A.126 Resistor Switch Travel: Closed to Part306
Figure A.127 Resistor Switch Average Velocity307
Figure A.128 Voltage and Current Monitoring308
Figure A.129 Dead Tank Breaker Trip Tabular Report309
Close Test Tabulation310
Figure A.130 Dead Tank Breaker Trip Tabular Report (Continued310
Figure A.131 Dead Tank Breaker Close Tabular Report311
Figure A.132 Delta (Difference) in Main Contacts Travel Time312
Figure A.133 Delta (Difference) in Main Contacts Travel Time (Continued313
Figure A.134 Main Contacts Time: Fully Open to First Make314
Figure A.135 Average Velocity for Main Contacts Close315
Figure A.136 Delta Time for Resistor Switches in a Module316
Figure A.137 Delta Time for Resistor Switches in a Module (Continued317
Figure A.138 Delta Time for Resistor Switches in a Module318
Figure A.139 Resistor Switches Time: Fully Open to First Make318
Figure A.140 Average Velocity for Resistor Switches319
Trip-Free Test Tabulation320
Figure A.141 Dead Tank Breaker Trip Free Tabular Test Report Header320
Figure A.142 Trip-Free Test Operation for a Phase (Live Tank Breaker321
Figure A.143 Trip-Free Test Operation Within a Breaker (Live Tank Breaker321
Figure A.144 Dwell Times Within a Circuit Breaker322
Figure A.145 Trip-Free Test Mechanical Motion - Average Velocities323
Reclose Test Tabulation324
Figure A.146 Dead Tank Breaker Reclose Test Report - Header324
Figure A.147 Reclose Dead Time Within a Phase324
Figure A.148 Reclose Operation Within a Circuit Breaker325
Figure A.149 Reclose Contact Timing Parameters and Specifications326
Figure A.150 Average Velocity Characteristics for a Reclose Test327
O-C-O Test Parameters328
Figure A.151 Breaker Test Report for an O-C-O Test328
Appendix B. Troubleshooting and Parts Replacement329
Troubleshooting329
Self-Diagnostics Test329
Figure B.1 Self-Diag Test331
Figure B.2 Safety Switch Operation332
Figure B.3 Test Abort Message332
Figure B.4 Global Self Test333
Figure B.5 Local Self Test334
Figure B.6 Local Self Test Executing335
Figure B.7 Self-Test Failure335
Figure B.8 TDR9000 ™ Self Test Results336
Troubleshooting Flow Chart338
Figure B.9 Troubleshooting Flow Chart I339
Application and Troubleshooting Problems and Solutions341
Table B.1 Application and Troubleshooting Problems and Solutions341
TDR9000 ™ Top View343
Figure B.11 Top View of TDR9000 ™ with Top Removed (Ocb/Motion Module Installed343
LED Indicators344
Figure B.12 Top View of TDR9000 ™ with Top Removed (Event 1 Module Installed344
Figure B.13 D8 and D14 Leds345
Figure B.14 DC Power Supply LED346
Replacement Procedures347
Internal Circuit Boards347
Figure B.15 Screws that Hold Top Rubber Feet348
Table B.2 Required Cable Disconnects by Circuit Board348
Physical Front Panel Modules350
Table B.3 Replaceable Internal Board Part Numbers350
Power Supply Fuses352
Figure B.16 DC Power Supply LED352
Table B.4 Replaceable Physical Front Panel Module Part Numbers352
Figure B.17 Power Supply Assembly Fuses353
Power Supply354
Figure B.18 Power Supply Circuit Board Connectors355
Trip/Close Fuses356
Figure B.19 Trip/Close Fuses356
Cable Verification and Replacement358
Table B.5 Cable Replacement List359
Customer Service360
Appendix C. Software Field Upgrades363
Updating Software363
Figure C.1 Run363
Figure C.2 Browse364
Figure C.3 Run with Directory Path364
Figure C.4 Choose Destination Location365
Figure C.5 Trxfield ™ Choice365
Figure C.6 Select Program Folder366
Updating TDR9000 ™ Firmware367
Power Failure During Firmware Load367
Loading the Printer Driver368
Windows 95/98368
Figure C.7 Printers368
Figure C.8 Add Printer Wizard369
Figure C.11 Install from Disk371
Figure C.12 Open372
Windows NT374
Figure C.16 Version Conflict374
Figure C.17 Printers375
Figure C.18 Add Printer Wizard375
Figure C.21 Install from Disk377
Figure C.22 Locate File377
Figure C.26 Windows NT379
Printer Settings380
Figure C.27 Version Conflict380
Figure C.28 Printers Window380
Figure C.29 Pentax ® Pocketjet381
Figure C.30 Pentax ® Pocketjet381
Appendix D. Concepts of Operation383
Channel Types383
Main Contact Timing383
Pre-Insertion Resistor Timing384
Pre-Insertion Resistor Ohmic Value384
Motion Channels384
Auxiliary Contact Channels384
Analog Channels385
Capacitance Channels385
Circuit Breaker Control385
System Operation386
System Startup and Pre-Test Configuration386
Test Execution386
Data Transfer386
Results Processing387
Self-Test387
Appendix E. Maintenance389
TDR9000 ™ Rules for Safe Operation389
Maintenance390
Cleaning390
Changing Printer Paper390
Figure E.1 Printer Paper Installation391
Appendix F. Glossary393
Appendix G. Error Messages395
Test Plan and Hardware Conflict Errors395
Table G.1 Test Plan and Instrument Configuration Conflicts - TDR9000 ™ Unconnected395
Table G.2 Test Plan and Instrument Configuration Conflicts - TDR9000 ™ Connected396
Run Test Conflicts397
Table G.3 Run Test Conflicts397
Continue Test Conflicts399
Test Exceptions399
Table G.4 Continue Test Conflicts399
Table G.5 Test Exceptions399
Test Exceptions Procedure401
Test Parameter Conflicts402
Table G.6 Test Parameters402
Table G.7 Motion Module402
Table G.8 Miscellaneous402
Appendix H. TDR9000403
Ocb/Motion403
Table H.1 Ocb/Motion Module403
EHV Module405
Table H.2 EHV Module405
Event Module406
Table H.3 Event Module406
System Module407
Table H.4 Trip/Close Module407
Table H.5 Trigger in407
Table H.6 System Module Signal Characteristics408
Physical Specifications409
Table H.7 TDR9000 ™ Physical409
Environmental Specifications410
Table H.8 TDR9000 ™ Environmental410
Appendix I. Application Notes411
AN2: TR3190 ™ Digital, Linear/Rotary Motion Transducer411
Specifications415
Table I.1 TR3190 ™ Specifications416
Figure I.1 TR3190 ™ Linear Motion with Rotary Chuck Attached417
Figure I.2 TR3170 ™ Linear Transducer418
AN3: TR3190 ™ Mechanical Interfaces and Other Transducers419
Adapters and Transducers420
Figure I.3 Westinghouse SFA SF6 Gas Circuit Breaker420
Figure I.4 ABB PA, ELF, and PM (345 Kv and Above) SF6 Gas Circuit Breakers420
Figure I.5 ABB PA, ELF, and PM (345 Kv and Above) SF6 Gas Circuit Breakers421
Figure I.6 ABB HPL SF6 Gas Circuit Breaker - Insulator Column422
Figure I.7 ABB HPL SF6 Gas Circuit Breaker - Chain Sprocket423
Figure I.8 HVB SF6 Gas Circuit Breakers with Ganged Operating Mechanisms423
Figure I.9 HVB SF6 Gas Circuit Breakers with Independent Pole Operating Mechanisms (IPO424
Figure I.10 General Electric Metalclad Air Magnetic Circuit Breakers425
Figure I.12 General Electric Metalclad VBI Vacuum Circuit Breaker426
Figure I.13 GEC Alsthom HGF Series SF6 Gas Circuit Breakers426
Figure I.14 Mitsubishi Electric Power Products 100 SFMT SF6 Gas Circuit Breakers427
Figure I.15 Mitsubishi Electric Power Products SFMT SF6 Gas Circuit Breakers427
Figure I.16 General Purpose Adapter428
Figure I.17 General Purpose Spacer429
Figure I.18 Various Transducer Clamps429
Universal Adapter430
Figure I.19 Flexible Coupler/Jam Nut430
Figure I.20 Universal Adapter: Finished Installation431
Table I.2 Specifications: Universal Adapter432
AN4: TDR9000 ™ Contact and Resistor Measurement Dynamics433
Figure I.21 Contact and Resistor Measurement433
Figure I.22 Contact and Resistor Time Diagram434
AN6: Velocity Measurements435
AN7: Monitoring Closing Coil Current with the TDR9000437
Figure I.23 Jumper Placement437
AN8: Simultaneous Energization of Two Sets of Trip Coils in a Single Circuit Breaker438
AN9: Use of the Auxiliary Wet/Dry Contact Monitor439
AN10: Contact Sensing and Test Lead Connections439
AN11: Sampling Rates440
Table I.3 TDR9000 ™ Contact Sensing Voltages440
AN13: Safety Grounds, Close Connected Transformers, and the Use of the TDR9000 ™ Ocb/Dead Tank Contact Monitors441

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