Tettex 2293 - Measurement; Measurement Procedure

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158

Dynamic resistance on tap

changer

15.4 Measurement

15.4.1 Measurement procedure

A tap changer test consist of following steps.

Main Page

Default Chapter6
- Table of Contents6
1 Introduction13
- Receiving Instructions13
- General13
- Scope of Supply13
  - Standard Scope of Supply13
  - Options and Accessories14
- Optional Features14
- Technical Data16
2 Safety20
- General20
- Essential Safety Recommendations21
- Interlock Connection21
- Summary22
3 Theory24
- General Resistance Measuring Principle24
- Power Supply Modes25
- Measuring Sequences31
4 Front Panel34
5 Connection and Setup36
- Connection Cables36
  - Cable Extensions (Optional)37
- Connecting the Instrument37
- USB Type a Host Port42
6 User Interface44
- Startup44
- Structure45
- Define DUT (Top Bar)45
- Applications (Side Bar)52
- Active Window53
- Function Keys (Bottom Bar)53
- Device Information54
- Data Handling54
7 Resistance Measurement58
- Operating Modes58
- Automated Mode58
- Performing a Test Using Automated Mode61
- Classic Mode69
- Performing a Test Using Classic Mode71
- Temperature Measurement76
8 Demagnetization78
- Theory78
- User Interface79
  - Active Window79
- Performing a Demagnetization80
- Application Hints82
9 Heat Run - Cooling Curve83
- Theory83
- User Interface84
  - Active Window84
- Performing a Resistance Measurement (Cooling Curve)86
10 Heat Run - Temperature Rise91
- Overview91
- User Interface91
  - Active Window93
  - Function Keys93
- Performing a Temperature Rise Test94
- Export Results100
11 Transformer Configuration Detection101
- Overview101
- User Interface101
  - Active Window104
  - Function Keys104
- Performing a Detection105
12 Turns Ratio Measurement108
- Overview108
- Theory108
- User Interface115
  - Function Keys115
  - Active Window116
- Performing a Ratio Measurement116
- Arbitrary Phase128
- Activate the Arbitrary Phase Option128
- User Interface130
13 Magnetic Balance135
- Overview135
- Theory135
- Activate the Magnetic Balance Option135
- User Interface137
  - Function Keys137
  - Active Window138
- Measurement139
- Application Hints145
  - Core Magnetization145
  - Winding Short-Circuits145
14 Short Circuit Impedance147
- Overview147
- Theory147
  - Definitions147
- User Interface148
  - Function Keys148
  - Active Window149
- Measurement149
15 Dynamic Resistance on Tap Changer156
- Overview156
- Theory156
  - Tap Changer Generalities156
  - Dynamic Resistance Test157
- User Interface159
  - Function Keys159
  - Active Window160
- Measurement162
16 Optional Features Activation172
- Software Key Activation172
17 Tap Changer Interface174
- General174
  - Tap Changer Remote Operation Signal174
  - Tap Changer Feedback Signal175
- Tap Changer Remote Operation175
18 Temperature Interfaces176
- General Notes176
- Additional Interfaces176
- Operation177
19 Troubleshooting178
- Warning and Error Messages178
- Firmware Update179
- Unit Locks up And/Or Does Not Discharge Completely180
20 Printer Operation181
- Buttons and Status181
  - Status LED181
  - Replacing Paper Roll181
21 Accessories & Spares182
- Temperature Probe for Liquids182
- Magnetic Temperature Probe182
- Temperature Extension Box 2293T182
- Tap Changer Connection Cable183
- Extension Cables183
- TTR-229X Adaptor184
- HV Cable Set184
- LV Cable Set184
- Adaptor Set LV & HV, Bolted184
- Adaptor Set LV & HV, Twist Lock185
22 Remote Control186
- Ethernet Connection186
- Protocol189
  - Instructions190
- Command Reference191
- Programming Examples205
- File & Data Transfer212
23 Miscellaneous213
- Care and Maintenance213
- Instrument Storage213
- Packing and Transport214
- Recycling214
24 Customer Support215
25 Appendix216
- Declaration of Conformity217
- Application Note "Temperature Measurement218
  - Flat Surface218
  - Round Surface (Tube)221
- Application Note "Unit Calibration226

Tettex 2293 - Measurement; Measurement Procedure

Table of Contents