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Customer application 31 August 2020

Every Network Station under Control

RheinEnergie, an electrical supplier based in Cologne, has gotten a clearer view of the distribution network using the robust WAGO-I/O-SYSTEM 750 XTR. Its goal is to further reduce downtimes.

RheinEnergie regularly modernizes its local network stations (LNS), replacing old technology with new, as part of its contract with the network operator, Rheinisch NETZGesellschaft (RNG). This supplier now aims to do even more: The distribution network it to become more intelligent as well. “Our supply area is quite enormous. If a fault occurs in Lindlar requiring a maintenance team, during rush hour, for example, then it takes a good bit of time before they are on site,” explains Markus-Oliver Maitz, system planner in Technical Network Service at RheinEnergie. The maintenance team then has to locate the problem on site. If the control center can narrow the fault down to a single networks station, then the problem can be eliminated faster.

The Benefits of WAGO for You:

  • WAGO’s 750 XTR Controllers are rugged and compact and allow flexible extension
  • Address up to sixteen channels per control panel using different communication protocols
  • Easy connection between the controller and the telecontrol system

New Measuring Technology for Intelligent Local Network Stations

There are approximately 8000 LNSs in the region supplied by RheinEnergie, including private stations. “Our stations are modernized per the requirements of the strategic asset management of the network operator,” explains Thomas Otto, expert in design and controllers at RheinEnergie. In order to reduce downtimes, it is sufficient if three or four LNSs from one supply ring transmit the error direction, according to Otto. In these intelligent LNSs, “clever” measurement technology is not only the prerequisite for fast error location, but also forms the basis for the next step. “The installed telecontrol technology allows our colleagues in the cross-connected control center to carry out switching operations remotely. In the optimal case, at least half of the customers affected by downtimes are reconnected in a short time,” explains Otto.

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Freshly modernized: RheinEnergie system planner Markus-Oliver Maitz stands in front of his company’s control cabinets, newly equipped with new measuring technology.