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The German Pasewalk Industrial Park was successfully put into operation in summer 2024. It was particularly important for the operators to equip the large production areas of the resident companies with a highly reliable energy supply that is also designed for the future growth of the industrial park. Ormazabal made a significant contribution to this with a customised medium-voltage switchgear system.
The Pasewalk Industrial Park, strategically located close to the German A20 motorway and the Polish border, has developed into an important location for companies such as Birkenstock Injections GmbH and Topregal GmbH. In order to meet the requirements of these companies, a comprehensive modernisation of the energy infrastructure was necessary. The existing supply was not sufficient to supply the large-scale production facilities in the 156-hectare industrial park near Berlin. The engineering office Reik Schade in Pasewalk, together with Ormazabal as an expert in energy distribution, developed and realised a customised solution for the specific requirements on site. The industrial park has a high energy requirement but is located outside of Pasewalk “on a greenfield site”. A corresponding supply infrastructure with long lines from the distribution network operator’s station to the industrial estate therefore had to be created. For the energy distribution, Ormazabal supplied a medium-voltage switchgear gae type, which was customised for the project.
The solution was designed to reliably supply the production facilities with energy, including the large Birkenstock and Topregal buildings. The central elements are two medium-voltage systems that can be coupled via two blocks to ensure maximum supply reliability. The design of the blocks each contains a supply line including busbar voltage measurement, four motorised circuit breaker outgoing circuits connected via a coupling and an auxiliary transformer outgoing circuit. This means that if one supply line fails, the other can take over the supply. In total, the redundant switchgear comprises thirteen panels with eleven circuit-breakers, providing sufficient capacity to connect additional companies in the industrial park. All units are motorised to enable remote control of the system.
The medium-voltage switchgear was equipped with modern secondary technology and protective devices that are specially tailored to the requirements of the local energy supplier E.DIS Netz GmbH. This includes distance protection in all circuit breakers and connection to the E.DIS control system via an Ethernet switch. In addition to the connection station, Ormazabal also supplied a low-voltage substation that enables connection to the transformer station.
The installation of the medium-voltage switchgear was logistically complex. Once the concrete station had been completed by Scheidt GmbH & Co KG, the switchgear was installed in the station on site. The large number of individual panels were then connected, aligned and wired. A crane placed the station precisely in the prepared building pit. The necessary cables and lines were laid and connected within a few days. The company WISAG Elektrotechnik Berlin-Brandenburg GmbH & Co. KG was responsible for coordinating the construction work and the final assembly. During commissioning, Ormazabal was on site to work with WISAG to ensure that all components were properly installed and tested and that the systems could be controlled remotely from the control room via the installed motorised drives.
‘We are particularly proud of the flexibility we demonstrated when changes were requested during the realisation of the project,’ says Marcel Breuer, who was responsible for the project on behalf of Ormazabal as a sales engineer. ‘By working closely with all parties and exchanging ideas, we were able to meet the customer’s requirements and create a practical solution tailored to their needs.’
‘This project shows how technical expertise and partnership-based collaboration can overcome complex challenges,’ concludes Reik Schade from the engineering firm Reik Schade for electrical project planning. ‘The commissioning of the installation in July 2024 marks an important milestone for the future-proof energy supply of the industrial park and its long-term growth.’ The buildings are also equipped with solar panels that enable the use of renewable energies on site and provide energy for the resident companies’ production processes. When the industrial area is fully developed, the total output of the photovoltaic systems is expected to be even higher than the demand of the entire Pasewalk grid area.
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