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Recent content by johan36

  1. johan36

    en50423

    Hi, We have a question regarding former 35kV distribution line operating over isolated neutral graunding, this line we are now intend to transform to operate on 20kV with residual neutral grounding (80OHM), the line is build on iron towers. What should be the earthing resistance of this...
  2. johan36

    SQL server to SCADA Control centre

    Hello We have a lot of data, that is stored on a SQL server, 10min U,I,P,Q.. alarm, date is being over xml transmited and stored in a SQL server. We would like to get this data over somekind of a protocol IEC101,104 or OPC to Control centre. Do you have any xperiances with that kind of a...
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