Siemens Commissions Transformers At Flat Water Wind Farm

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Siemens Energy Inc. recently commissioned its pad-mounted transformers at the Flat Water wind farm. The transformers, rated at 1,750 kVA, are connected to wind turbines and are used as generation step-up transformers.

The transformers are meeting three wind farm electrical requirements that affect the usage of pad-mounted transformers: operation as a step-up transformer, over-excitation requirements and the need for enhanced insulation with greater basic impulse insulation level, according to the company. Siemens was responsible for design, manufacturing, delivery and commissioning.

Located in southern Nebraska's Richardson County and Kansas' Nemaha County, the 60 MW Flat Water wind farm comprises 40 1.5 MW wind turbines. The project is owned by Flat Water Wind Farm LLC, which is a partnership between Gestamp Wind North America, a subsidiary of Gestamp Renewables, and Banco Santander SA. Siemens was sub-contracted by Renewable Energy Systems Americas Inc., the balance-of-plant construction contractor.

The peak elevation for the installation is 3,280 feet with a maximum ambient temperature of 40 degrees C. The pad-mounted transformer is compartmental type, self-cooled, as well as tamper- and weather-resistant, according to Siemens.

SOURCE: Siemens Energy Inc.

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