Table of contents
Maschinenfabrik Reinhausen GmbH 20208 6385142/08 ENETOS
®
ED
9.24.4 Displaying temperature curve (optional) ...........................................................................................................253
9.24.5 Displaying winding temperatures (optional) ......................................................................................................254
9.24.6 Displaying the measured values of the Buchholz relay (optional).....................................................................255
9.24.7 Displaying the measured values of the pressure relief device (optional) ..........................................................255
9.24.8 Displaying the measured value trend of the oil level and dehydrating breather (optional)................................256
9.25 On-load tap-changer monitoring..................................................................................................... 256
9.25.1 Changing tap position designation (optional) ....................................................................................................256
9.25.2 Setting the TCR calculation factor (optional).....................................................................................................257
9.25.3 Displaying tap-change operation statistics (optional)........................................................................................257
9.25.4 Motor Current Index (MCI) ................................................................................................................................258
9.25.5 Displaying information about contact wear (only OILTAP®).............................................................................262
9.25.6 Information about the on-load tap-changer .......................................................................................................263
9.26 Transformer monitoring (optional) .................................................................................................. 263
9.26.1 Hot-spot calculation (optional)...........................................................................................................................264
9.26.2 Hot-spot forecast (optional)...............................................................................................................................267
9.26.3 Setting calculation of transformer's loss of life (optional) ..................................................................................268
9.26.4 Displaying protective device status (optional) ...................................................................................................269
9.26.5 Asset intelligence ..............................................................................................................................................269
9.26.6 Transformer statistics........................................................................................................................................270
9.26.7 Display current oil level/dehydrating breather values........................................................................................271
9.26.8 Displaying the measured value trend of the oil level and dehydrating breather (optional)................................273
9.27 Dissolved gas analysis (optional) ................................................................................................... 273
9.27.1 Configuring DGA monitoring .............................................................................................................................274
9.27.2 Displaying measured values .............................................................................................................................277
9.28 MR sensor bus................................................................................................................................ 282
9.28.1 Configuring MR sensor bus...............................................................................................................................283
9.28.2 Managing sensors.............................................................................................................................................284
9.28.3 Function assignment .........................................................................................................................................286
9.28.4 Defining the sensors .........................................................................................................................................286
9.28.5 Displaying information on the connected sensors.............................................................................................291
9.29 Configuring analog inputs and outputs (optional) ........................................................................... 292
9.30 Configuring digital inputs and outputs............................................................................................. 295
9.31 Maintenance (optional) ................................................................................................................... 297
9.31.1 Setting operator interval for OLTC maintenance...............................................................................................298
9.31.2 Setting operator interval for transformer maintenance......................................................................................299
9.31.3 Undertaking and confirming maintenance.........................................................................................................300
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