Table of contents
Maschinenfabrik Reinhausen GmbH 2020 76385142/08 EN ETOS
®
ED
9.18 Transformer data ............................................................................................................................ 196
9.18.1 Setting transformer data....................................................................................................................................197
9.18.2 Circuit examples for voltage transformers and current transformers ................................................................199
9.19 Measurement.................................................................................................................................. 212
9.19.1 UI measuring channels .....................................................................................................................................212
9.19.2 Control variable .................................................................................................................................................213
9.19.3 Regulation mode ...............................................................................................................................................213
9.19.4 Display power factor negative ...........................................................................................................................213
9.20 Line drop compensation ................................................................................................................. 214
9.20.1 R&X compensation ...........................................................................................................................................214
9.20.2 Z compensation.................................................................................................................................................215
9.21 Parallel operation (optional)............................................................................................................ 216
9.21.1 Parallel operation methods ...............................................................................................................................217
9.21.2 Configuring parallel operation ...........................................................................................................................221
9.21.3 TAPCON® 2xx retrofit.......................................................................................................................................225
9.21.4 Detecting parallel operation via group inputs (optional) ....................................................................................226
9.22 Monitoring functions........................................................................................................................ 226
9.22.1 Voltage monitoring ............................................................................................................................................226
9.22.2 Current monitoring ............................................................................................................................................229
9.22.3 Power monitoring ..............................................................................................................................................232
9.22.4 Power flow monitoring.......................................................................................................................................234
9.22.5 Tap position monitoring (optional).....................................................................................................................236
9.22.6 U bandwidth monitoring ....................................................................................................................................237
9.22.7 Q bandwidth monitoring (optional) ....................................................................................................................239
9.22.8 Phase symmetry monitoring..............................................................................................................................241
9.22.9 Temperature monitoring....................................................................................................................................242
9.22.10 Switching interval monitoring ............................................................................................................................242
9.22.11 Monitoring the gas volume of the Buchholz relay (OLTC) ................................................................................244
9.22.12 Monitoring the gas volume of the Buchholz relay (transformer)........................................................................245
9.22.13 Monitoring the oil pressure (transformer) ..........................................................................................................245
9.22.14 Monitoring the oil pressure (on-load tap-changer) ............................................................................................246
9.23 Target-tap-position operation.......................................................................................................... 247
9.24 Measured values ............................................................................................................................ 247
9.24.1 Displaying current measured values .................................................................................................................247
9.24.2 Displaying measured value recorder (optional).................................................................................................248
9.24.3 Setting the measured value recorder ................................................................................................................252
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