As the Distribution System Operator(s) (DSOs) are facing greater and greater challenges to maintain the voltage fluctuations of the network, caused generally by the addition of renewable power plants, the transformer manufacturers try to aid the DSOs and hence offer different regulated distribution transformer solutions. When attempting to solve the fluctuation problems, these are based on different regulation principles. In this paper we are introducing an innovative regulated distribution transformer, developed jointly by A. Eberle GmbH and Siemens AG. A. Eberle (AEB) has developed their own, standalone, low voltage regulation system (LVRSys TM), which can regulate the voltage of a Low Voltage Grid, and provide at same time a great Smart Grid experience via monitoring, SCADA communication and PQ analysis. At same time Siemens AG is one of the market leaders in the distribution transformer segment, and has a great knowledge in transformer optimization and manufacturing. The two companies united their knowledge base and developed a top of the line, flexible, technology built into a regulated distribution transformer. This paper addresses the system concept, the implementation results, and introduces the newly designed product.

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