![]() ![]() We’re now taking this one step further at the substation in Burladingen and are happy to be working with our experienced partner Siemens Energy again,” says Engel.Īnd that’s not all as far as innovations go. “We’ve already had very good experience with the combination of purified air and vacuum switching technology in Nördlingen, Germany. For the ground-breaking Netze BW substation Nördlingen, Siemens Energy has delivered and installed its new outdoor circuit-breakers with vacuum switching technology as well as a combined voltage and current transformer insulated with clean air – for the first time worldwide in a 110-kV high-voltage grid. The industry has been working with clean air in the high-voltage sector since 2018. Instead of using SF 6, the alternative products in the Blue Portfolio rely on technically processed and purified air (“clean air”) in a compressed form. With appropriate transition periods and strong partnerships between manufacturers and operators, we will succeed. ![]() Engel: “As Netze BW, we believe in the transformation into SF 6-free switchgear technology and have been supporting this goal for years. At the same time, operators as well as manufacturers are looking for alternatives so they can gradually replace the fluorinated gas in new systems with more environment-friendly and equally efficient switching and insulation alternatives. “Our specialists handle the gas extremely carefully, of course,“ stresses Engel. However, SF 6 is a greenhouse gas that, if it escapes into the atmosphere, can have an impact to the climate change. ![]() This fluorinated gas is a highly effective switching and insulating medium traditionally used throughout the industry: its excellent chemical and electrical properties enable the design of compact and economical substations. These products completely dispense with SF 6. Siemens Energy is using various products from the company’s so-called Blue Portfolio in the substation. And like the substation’s overall technology, the built-in sensors have a service life of around 40 years. They record all relevant product operating data such as the oil pressure and temperature of the transformers, as well as gas pressure, temperature, and number of switching cycles. Another highlight: By integrating Sensgear®, Sensformer® and Senscoil® systems, the smart sensors on all components are pre-assembled and tested at the factory. The substation’s entire protection and control technology is based on Siprotec 5 and Sicam as well as the company’s process bus technology. “We’ve nurtured a strong partnership with Netze BW for this purpose, and the gain in information for both sides is enormous.” In addition to supplying the substation’s complete medium-voltage system, Siemens Energy will deliver five 8VN1 switchgear bays designed for 110 kV with low power instrument transformers and merging units, two 40-megavolt ampere power transformers, 14 surge arresters, and three arc suppression coils. “Such technologically highly integrative projects can be successfully executed only through close cooperation with the customer,” says Mathias Reumann, the Siemens Energy project manager responsible for the turnkey substation. The company is providing all products used in the substation and fully integrating innovative technologies into the project’s concept. Construction of the project began in late 2020, and commissioning is planned for 2022.Īs general contractor for the project, Siemens Energy is responsible for the planning, supply, turnkey construction, and commissioning of the substation. The new substation node will have an installed capacity of 80 megavolt amperes (MVA) and 110 kilovolts (kV). At the same time, we’re getting ready to handle the growing use of renewable energy sources and spread of electromobility,” explains Netze BW project manager Torge Andersen. “We’ll be using this substation to more closely and reliably connect Burladingen and the surrounding region with the supra-regional power grid. Siemens Energy is building a new state-of-the-art, eco-friendly, and digitized substation for Netze BW GmbH, a large German distribution system operator. And finally, operators now see digitalization as a major opportunity for improving their systems: Automated processes based on comprehensive data transparency are the key to bringing eco- and economic efficiency as well as supply security to a new level.Įxactly what this means and how it will function in the future can be seen in a special pilot project in Burladingen, in southern Germany. Handling growing electromobility is also a major challenge, particularly for local grids. For one, increasingly volatile power generation is presenting a challenge to transmission as well as distribution networks. Distribution system operators are also being impacted by the major trends of our times. ![]()
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