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SECURE NETWORKS nix Contact subsidiary NSE, the trick is to be able to safely Behind a control cabinet door with the inscription “Stern- locate the ground fault current and only switch off the power punktbildner” (neutral point-former), the NSE KOMBISAVE is grid locally. The low-resistance neutral earthing of the medi- already lighting up for us. “We were really able to adjust and um-voltage transformer reduces dangerous single-pole earth operate the protective device almost immediately, and are still short-circuit currents and prevents an impermissible voltage enthusiastic about the easy installation. The integration into increase in the immediate vicinity of the fault location. By our automation system was problem-free, and the required switching over to other existing reserve feed-ins, security of parameters were quickly set in the protective device. In the supply can be quickly restored within a few minutes thanks to end, it took us less than an hour to have a ready-to-use and the digital power distribution control systems. parameterized protective device for a special application out of the box – and that without reading us in. The experts from Keep your hands in your pockets Phoenix Contact were there to help us with one or two de- Reinhard Bretzke opens the doors in the substation, where the tails in no time,” says Michael Kairies, visibly satisfied with 110 kV voltage from the transport network is transformed and the teamwork. “And the Digicom parameterization software of distributed to the 10  kV medium voltage of the distribution the NSE devices is not only free of charge, but also intuitive network. “Better keep your hands in your pockets,” he says, to use.” warning against overly exploratory camera angles with fatal consequences. In this case, negligence is a danger to life. This not only saves Kempen public utilities time and ef- fort in renewing its power grids. They are also investing in the supply security of their businesses and citizens in the “most beautiful city on the Lower Rhine.” (lo)  nse.ch Where the 110 kV line ends – the substation in Kempen The Phoenix Contact innovation magazine UPDATE 4/20 33