MR TAPCON 250 - Page 6

Table of contents
Maschinenfabrik Reinhausen GmbH 20226 8595028/00 ENTAPCON
®
250
9.3 On-load tap-changer regulator........................................................................................................ 134
9.3.1 Voltage regulation .............................................................................................................................................134
9.3.2 Line drop compensation....................................................................................................................................143
9.3.3 Parallel operation ..............................................................................................................................................145
9.3.4 U bandwidth monitoring ....................................................................................................................................153
9.4 On-load tap-changer....................................................................................................................... 155
9.4.1 Tap position monitoring.....................................................................................................................................155
9.4.2 Target-tap-position operation ............................................................................................................................160
9.4.3 Information about the on-load tap-changer .......................................................................................................161
9.4.4 OLTC data.........................................................................................................................................................161
9.4.5 U bandwidth monitoring ....................................................................................................................................163
9.4.6 Displaying the minimum and maximum tap position .........................................................................................165
9.5 Motor-drive unit and control cabinet ............................................................................................... 166
9.5.1 Control of the motor-drive unit...........................................................................................................................166
9.5.2 Setting the switching pulse for controlling the motor-drive unit .........................................................................169
10 Maintenance and care .................................................................................................... 172
10.1 Cleaning the device ........................................................................................................................ 172
10.2 Maintenance ................................................................................................................................... 172
11 Fault elimination ............................................................................................................. 173
11.1 General faults ................................................................................................................................. 173
11.2 No regulation in AUTO mode.......................................................................................................... 173
11.3 Unwanted on-load tap-change operation........................................................................................ 174
11.4 Human-machine interface............................................................................................................... 174
11.5 Incorrect measured values ............................................................................................................. 175
11.6 Parallel operation faults .................................................................................................................. 176
11.7 Tap position capture incorrect ........................................................................................................ 177
11.8 Other faults ..................................................................................................................................... 177
12 Disposal........................................................................................................................... 179
13 Technical data................................................................................................................. 180
13.1 TC250 technical data...................................................................................................................... 180
13.1.1 Display elements...............................................................................................................................................180
13.1.2 Materials............................................................................................................................................................180